const Quat = new Box3Quaternion(0,0,0,1);
const PI2 = Math.PI * 2;
const ITEM ={
    0: {
        name: '剑星耀月',
        type: 0,
        effect: {
            'action0'({entity}){
                if(world.currentTick - entity.lastAttack < 4)return;
                entity.sound({
                    sample: 'audio/sword1.mp3',
                    position: entity.position,
                    gain: 0.5,
                })
                entity.lastAttack = world.currentTick;
                const d = entity.raycast.direction;
                const sword = world.createEntity({
                    mesh: 'mesh/剑气主体.vb',
                    position: entity.position.add({x: 0,y: 0.1,z: 0}),
                    meshScale: [0.03,0.03,0.03],
                    collides: false,
                    meshOrientation: Quat.rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x)),
                    velocity: d.scale(2),
                    gravity: false,
                    friction: 10,
                })
                sword.addTag('entity');
                sword.addTag('bullet');
                sword.shooter = entity;
                sword.attacker = entity;
                sword.update = ITEM[0].update;
            },
            async'action1'({entity}){
                if(world.currentTick - entity.lastSkill < 70)return;
                entity.lastSkill = Infinity;
                entity.lastAttack = Infinity;
                entity.player.enableJump = false;
                entity.isHurtable = false;
                entity.velocity.y = 2;
                await sleep(1000);
                entity.addTag('entity');
                entity.mesh = 'mesh/下落攻击.vb';
                entity.update = ITEM[0].falling;
                entity.meshEmissive = 1;
                entity.player.invisible = true;
                entity.velocity.y = -3;
                initParticle(entity);
                Object.assign(entity,{
                    particleRate: 200,
                    particleLifetime: 2,
                    particleSize: [8,6,4,2,0.5],
                    particleColor: [
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                    ],
                })
                entity.attacked = false;
                entity.event = entity.onVoxelContact(ITEM[0].boom);
            }
        },
        falling: function(){
            if(this.player.moveState === Box3PlayerMoveState.GROUND){
                ITEM[0].boom({entity: this,axis:{x: 0,y: 1,z: 0}});
            }
        },
        boom({entity,axis}){
            if(axis.y === 1 && !entity.attacked){
                entity.removeTag('entity');
                entity.lastSkill = world.currentTick;
                entity.lastAttack = world.currentTick - 5;
                entity.event.cancel();
                entity.mesh = '';
                entity.particleRate = 0;
                entity.player.invisible = false;
                entity.isHurtable = true;
                entity.player.enableJump = true;
                ITEM[0].explode(entity,new Box3Vector3(entity.position.x,entity.position.y - entity.bounds.y,entity.position.z));
            }
        },
        update: function(){
            if(voxels.getVoxel(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && (e.position.distance(this.position) < 3 || getBounds(e).contains(this.position)) && !e.hasTag('unhurtable') && isHurtable(this.shooter,e)){
                    e.hurt(20,{attacker: this.shooter,damageType: '剑'});
                    this.destroy();
                }
            }
            this.meshScale.x *= 0.99;
            this.meshScale.y *= 0.99;
            this.meshScale.z *= 0.99;
            if(this.meshScale.x < 0.005){
                this.destroy();
            }
        },
        explode: function(entity,position){
            entity.sound('audio/地动.mp3');
            for(const e of world.querySelectorAll`.target`){
                if(e !== entity && e.position.distance(entity.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(entity.position,e.position)){
                    e.hurt(95,{attacker: entity,damageType: '星殒下落击'});
                    const direction = e.position.sub(entity.position).add({x: 0,y: 2,z: 0});
                    e.velocity.addEq(direction.scale(5 / direction.mag()** 2 / e.mass * 1.75));
                }
            }
            const ring = world.createEntity({
                mesh: 'mesh/石阵.vb',
                meshScale: [0.005,0.005,0.005],
                position,
                collides: false,
                gravity: false,
            })
            ring.state = 0;
            ring.scale = 0.005;
            ring.addTag('entity');
            ring.update = ITEM[0].explodeUpdate;
        },
        explodeUpdate: function(){
            switch(this.state){
                case 0:
                    this.scale += 0.003;
                    this.meshScale.x = this.scale;
                    this.meshScale.z = this.scale;
                    if(this.scale > 0.05){
                        this.state = 1;
                    }
                    break;
                case 1:
                    this.meshScale.x *= 0.8;
                    this.meshScale.z *= 0.8;
                    if(this.meshScale.x < 0.005){
                        this.destroy();
                    }
                    break;
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/坚岩剑.vb',
                scale: [0.4,0.4,0.4],
                orientation: Quat.rotateZ(Math.PI * 0.8),
                offset: [0,-0.5,0.6],
            }
        ],
    },
    1: {
        name: '陨铁炽矛',
        type: 0,
        effect: {
            async'action0'({entity}){
                if(world.currentTick - entity.lastAttack < 15)return;
                entity.lastAttack = world.currentTick;
                entity.addTag('entity');
                const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                const direction = new Box3Vector3(Math.cos(angle),0,Math.sin(angle));
                Object.assign(entity,{
                    particleRate: 50,
                    particleLifetime: 1,
                    particleSize: [8,6,4,2,0.5],
                    particleColor: [
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                    ],
                })
                entity.update = ITEM[1].update;
                entity.velocity.x = direction.x * 5;
                entity.velocity.z = direction.z * 5;
                await sleep(800);
                entity.particleRate = 0;
            },
            async'action1'({entity}){
                if(world.currentTick - entity.lastSkill < 70)return;
                entity.lastSkill = Infinity;
                entity.lastAttack = Infinity;
                entity.isHurtable = false;
                const bullet = world.createEntity({
                    mesh: 'mesh/单元方块.vb',
                    position: entity.position,
                    gravity: false,
                    meshScale: [0.0625,0.0625,0.0625],
                    meshColor: [0,0,0,0],
                    particleRate: 50,
                    particleLifetime: 2,
                    particleSize: [8,6,4,2,0.5],
                    friction: 10,
                    particleColor: [
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                        new Box3RGBColor(100,100,100),
                    ],
                })
                const show = world.createEntity({
                    mesh: 'mesh/破魂枪.vb',
                    position: entity.position,
                    gravity: false,
                    meshScale: [0.01,0.01,0.01],
                    meshEmissive: 1,
                    collides: false,
                })
                entity.player.cameraEntity = bullet;
                for(const e of entity.watchers){
                    e.player.cameraEntity = bullet;
                }
                bullet.addTag(entity.player.userKey);
                entity.angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                entity.sound('audio/起飞.mp3');
                entity.up = 1;
                show.meshOrientation = Quat.rotateX(entity.up - Math.PI * 0.5).rotateY(entity.angle);
                entity.bullet = bullet;
                entity.show = show;
                bullet.shooter = entity;
                bullet.addTag('bullet');
                entity.addTag('entity');
                entity.update = ITEM[1].flying;
                entity.player.invisible = true;
                entity.player.showName = false;
                entity.enableDamage = false;
                bullet.onVoxelContact(bullet.destroy);
                bullet.onEntityContact(bullet.destroy);
                setTimeout(bullet.destroy,20000);
                bullet.onDestroy(()=>{
                    ITEM[1].end_fly(entity);
                })
            }
        },
        end_fly: function(entity){
            entity.lastSkill = world.currentTick;
            entity.lastAttack = world.currentTick - 10;
            entity.show.destroy();
            entity.position.copy(entity.bullet.position);
            entity.player.cameraEntity = entity;
            entity.isHurtable = true;
            entity.player.invisible = false;
            entity.player.showName = true;
            entity.enableDamage = true;
            for(const e of entity.watchers){
                e.player.cameraEntity = entity;
            }
            if(entity.hp){
                entity.sound('audio/explode.mp3');
                for(const e of world.querySelectorAll`.target`){
                    if(e !== entity && e.position.distance(entity.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(entity.position,e.position)){
                        e.hurt(60,{attacker: entity,damageType: '巡航陨落矛'});
                        const direction = e.position.sub(entity.position).add({x: 0,y: 1,z: 0});
                        e.velocity.addEq(direction.scale(5 / direction.mag()** 2 / e.mass * 1.75));
                    }
                }
                const ball = world.createEntity({
                    mesh: 'mesh/光球.vb',
                    position: entity.position,
                    gravity: false,
                    collides: false,
                    meshScale: [0.005,0.005,0.005],
                })
                ball.addTag('entity');
                ball.update = ITEM[1].explodeUpdate;
            }
        },
        explodeUpdate: function(){
            this.meshScale.x += 0.01;
            this.meshScale.y += 0.01;
            this.meshScale.z += 0.01;
            if(this.meshScale.x > 0.07){
                this.destroy();
            }
        },
        flying: function(){
            this.direction = Math.atan2(this.player.facingDirection.z,this.player.facingDirection.x);
            rotate(this);
            const up = -this.player.cameraPitch;
            if(this.up > up){
                this.up -= 0.1;
            }
            this.show.meshOrientation = Quat.rotateX(this.up - Math.PI * 0.5).rotateY(this.angle);
            if(this.show.position.distance(this.bullet.position) > 0.1){
                this.show.position.copy(this.bullet.position);
            }
            this.bullet.velocity.set(Math.cos(this.angle)* Math.cos(this.up),Math.sin(this.up),Math.sin(this.angle)* Math.cos(this.up));
            this.show.velocity.copy(this.bullet.velocity);
        },
        update: function(){
            if(world.currentTick - this.lastAttack > 6){
                this.removeTag('entity');
            }
            for(const e of world.querySelectorAll`.target`){
                if(e !== this && e.position.distance(this.position) < 4 && !e.hasTag('unhurtable') && isHurtable(this,e) && spread(this.position,e.position)){
                    e.hurt(20,{attacker: this,damageType: '炽陨矛冲击'});
                    e.velocity.addEq(this.velocity.scale(1.75 / e.mass));
                }
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/破魂枪.vb',
                scale: [0.2,0.2,0.2],
                orientation: Quat.rotateX(Math.PI * 0.5).rotateY(Math.PI * 0.5).rotateZ(Math.PI * 0.8),
                offset: [0,-0.5,0.6],
            }
        ],
    },
    2: {
        name: '蓄能激光炮',
        type: 1,
        effect: {
            'action0'({entity}){
                if(world.currentTick - entity.lastAttack < 10 ||(entity.bullet && !entity.bullet.destroyed && entity.bullet instanceof Box3Entity))return;
                entity.lastAttack = Infinity;
                entity.addTag('entity');
                entity.power = 0;
                entity.update = ITEM[2].update;
                entity.bullet = entity.player.addWearable({
                    bodyPart: Box3BodyPart.TORSO,
                    mesh: 'mesh/光球.vb',
                    offset: [0,0.3,2],
                    scale: [0,0,0],
                })
                entity.event = entity.player.onRelease(({button,raycast })=>{
                    if(button === Box3ButtonType.ACTION0){
                        entity.raycast = raycast;
                        ITEM[2].shoot(entity);
                    }
                })
            },
            'action1'({entity }){
                if(world.currentTick - entity.lastSkill > 200){
                    entity.lastSkill = world.currentTick;
                    entity.superPower = world.currentTick;
                }
            }
        },
        update: function(){
            if(this.weapon !== 2){
                ITEM[2].shoot(this);
            }
            this.power++;
            if(this.power > 20){
                this.power = 20;
            }
            if(world.currentTick - this.superPower < 100){
                this.bullet.color.set(1,0.01,1);
            }else{
                this.bullet.color.set(1,1,1);
            }
            this.bullet.scale = [this.power * 0.01,this.power * 0.01,this.power * 0.01];
        },
        shoot(entity){
            if(entity.lastAttack !== Infinity || entity.weapon !== 2)return;
            entity.removeTag('entity');
            if(!(entity.bullet instanceof Box3Entity)){
                entity.bullet.remove();
            }
            entity.lastAttack = world.currentTick;
            if(entity.power < 5)return;
            const superPower =(world.currentTick - entity.superPower < 100);
            const bullet = world.createEntity({
                mesh: 'mesh/光球.vb',
                position: entity.position,
                gravity: false,
                meshScale: [entity.power * 0.0003125,entity.power * 0.0003125,entity.power * 0.0003125],
                velocity: entity.raycast.direction.scale(3),
                friction: 10,
                meshColor: superPower? [1,0.01,1,1]:[1,1,1,1],
            })
            if(superPower){
                Object.assign(bullet,{
                    particleRate: 50,
                    particleLifetime: 2,
                    particleColor: [
                        new Box3RGBColor(0.033,1,10),
                        new Box3RGBColor(10,0.025,10),
                        new Box3RGBColor(0.05,1,10),
                        new Box3RGBColor(10,0.5,10),
                        new Box3RGBColor(0.2,1,10),
                    ],
                })
            }
            bullet.addTag(entity.player.userKey);
            bullet.shooter = entity;
            bullet.addTag('bullet');
            bullet.onVoxelContact(bullet.destroy);
            bullet.onEntityContact(bullet.destroy);
            setTimeout(bullet.destroy,20000);
            bullet.onDestroy(()=>{
                if(entity.power > 12){
                    const ball = world.createEntity({
                        mesh: 'mesh/光球.vb',
                        position: bullet.position,
                        gravity: false,
                        collides: false,
                        meshScale: [0.005,0.005,0.005],
                        meshColor: superPower ? [1,0.01,1,1] : [1,1,1,1],
                    })
                    ball.addTag('entity');
                    ball.update = ITEM[1].explodeUpdate;
                }
                for(const e of world.querySelectorAll`.target`){
                    if(e !== entity && e.position.distance(bullet.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(bullet.position,e.position)){
                        e.hurt((superPower ? 4.5 : 2.25)* entity.power,{attacker: entity,damageType: superPower? '光之神力风暴':'光之能量风暴'});
                        const direction = e.position.sub(bullet.position).add({x: 0,y: 1,z: 0});
                        e.velocity.addEq(direction.scale(3 / direction.mag()** 2 / e.mass * 1.75));
                    }
                }
            })
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/枪-9.vb',
                scale: [0.4,0.4,0.4],
                orientation: Quat.rotateX(Math.PI).rotateZ(Math.PI * 0.8),
                offset: [0,-0.6,0.7],
            }
        ],
    },
    3: {
        name: '急冻法杖',
        type: 2,
        effect: {
            'action0'({entity}){
                if(world.currentTick - entity.lastAttack < 30)return;
                entity.lastAttack = world.currentTick;
                const up = Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2));
                const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                entity.sound('audio/冰杖.mp3');
                for(let i = 0; i < 5; i++){
                    const a = angle + 0.1 *(i - 2);
                    const direction = new Box3Vector3(Math.cos(a)* Math.cos(up),Math.sin(up),Math.sin(a)* Math.cos(up));
                    const bullet = world.createEntity({
                        mesh: 'mesh/冰锥.vb',
                        position: entity.position,
                        gravity: false,
                        meshScale: [0.03,0.03,0.03],
                        velocity: direction.scale(3),
                        meshOrientation: Quat.rotateX(up).rotateY(a),
                        friction: 10,
                        meshEmissive: 0.1,
                        particleRate: 20,
                        particleLifetime: 0.75,
                        particleSize: [2,0.65,0.23],
                        particleColor: [
                            new Box3RGBColor(0,0,10),
                            new Box3RGBColor(0,10,10),
                            new Box3RGBColor(10,10,10),
                        ],
                    })
                    bullet.addTag(entity.player.userKey);
                    bullet.shooter = entity;
                    bullet.addTag('bullet');
                    bullet.onVoxelContact(bullet.destroy);
                    bullet.onEntityContact(({other})=>{
                        if(isHurtable(entity,other)){
                            other.hurt(30,{attacker: entity,damageType: '严寒冰锥雨'});
                            if(other.isPlayer){
                                other.lastBloodDamage = world.currentTick;
                                other.bloodDamagetime += 50;
                                if(other.bloodDamagetime > 200){
                                    other.bloodDamagetime = 200;
                                }
                            }
                        }
                        bullet.destroy();
                    })
                    bullet.onDestroy(()=>{
                        ITEM[3].sputtering(entity,bullet.position);
                    })
                    setTimeout(bullet.destroy,20000);
                }
            },
            async'action1'({entity}){
                if(world.currentTick - entity.lastSkill < 50)return;
                entity.lastSkill = world.currentTick;
                const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                const center = entity.position.add({x: Math.cos(angle)* 20,y: 0,z: Math.sin(angle)* 20});
                for(let i = 0; i < 5; i++){
                    const position = center.add({x: Math.random()* 10 - 5,y: 5 + Math.random()* 2,z: Math.random()* 10 - 5});
                    const bullet = world.createEntity({
                        mesh: 'mesh/下落冰锥.vb',
                        position,
                        meshScale: [0.0625,0.0625,0.0625],
                        meshOrientation: Quat.rotateY(Math.random()* Math.PI * 2),
                        friction: 10,
                        meshEmissive: 0.1,
                        particleRate: 30,
                        particleLifetime: 0.75,
                        particleSize: [2,0.65,0.23],
                        particleColor: [
                            new Box3RGBColor(0,0,10),
                            new Box3RGBColor(0,10,10),
                            new Box3RGBColor(10,10,10),
                        ],
                    })
                    bullet.shooter = entity;
                    bullet.addTag(entity.player.userKey);
                    bullet.addTag('bullet');
                    bullet.onVoxelContact(bullet.destroy);
                    bullet.onEntityContact(bullet.destroy);
                    bullet.onDestroy(ITEM[3].boom);
                    setTimeout(bullet.destroy,20000);
                    await sleep(100);
                }
            }
        },
        sputtering(entity,position){
            for(const e of world.querySelectorAll`.target`){
                if(entity !== e && e.position.distance(position) < 5 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(position,e.position)){
                    e.hurt(15,{attacker: entity,damageType: '破碎冰晶'});
                    if(e.isPlayer){
                        e.lastBloodDamage = world.currentTick;
                        e.bloodDamagetime += 20;
                        if(e.bloodDamagetime > 200){
                            e.bloodDamagetime = 200;
                        }
                    }
                }
            }
        },
        boom({entity}){
            const snowflake = world.createEntity({
                mesh: 'mesh/雪花.vb',
                position: entity.position.sub({x: 0,y: entity.bounds.y,z: 0}),
                gravity: false,
                collides: false,
                meshScale: [0.2,0.005,0.2],
            })
            world.sound({
                sample: 'audio/冰杖.mp3',
                position: snowflake.position,
                radius: 320,
            })
            for(const e of world.querySelectorAll`.target`){
                if(e !== entity.shooter && !e.hasTag('unhurtable') && e.position.distance(snowflake.position) < 10 && isHurtable(entity.shooter,e)){
                    e.hurt(45,{attacker: entity.shooter,damageType: '冰封领域'});
                    if(e.isPlayer){
                        e.lastBloodDamage = world.currentTick;
                        e.bloodDamagetime += 100;
                        if(e.bloodDamagetime > 200){
                            e.bloodDamagetime = 200;
                        }
                    }
                }
            }
            setTimeout(snowflake.destroy,500);
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/急冻法杖.vb',
                scale: [0.4,0.4,0.4],
                orientation: Quat.rotateX(Math.PI).rotateZ(Math.PI * 0.8),
                offset: [0,-0.4,0.4],
            }
        ],
    },
    4: {
        name: '烈焰法杖',
        type: 2,
        effect: {
            'action0'({entity}){
                if(entity.player.crouchButton){
                    if(world.currentTick - entity.lastSkill < 100)return;
                    entity.lastSkill = world.currentTick;
                    entity.sound('audio/火球.mp3');
                    const up = Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2));
                    const a = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const velocity = new Box3Vector3(Math.cos(a)* Math.cos(up),Math.sin(up),Math.sin(a)* Math.cos(up)).scale(3.5);
                    const fireball = world.createEntity({
                        mesh: 'mesh/火球.vb',
                        position: entity.position,
                        meshScale: [0.05,0.05,0.05],
                        velocity,
                        collides: false,
                        gravity: false,
                        fixed: true,
                        meshEmissive: 0.2,
                        particleRate: 70,
                        particleSize: [2,4,8,4,10],
                        particleColor: [
                            new Box3RGBColor(10,9,2),
                            new Box3RGBColor(5,0.25,0.1),
                            new Box3RGBColor(3,0.05,0.05),
                            new Box3RGBColor(0,0,0),
                            new Box3RGBColor(0,0,0),
                        ],
                        particleLifetime: 1.5,
                        particleVelocitySpread: new Box3Vector3(0.7,0.7,0.7),
                    })
                    fireball.addTag(entity.player.userKey);
                    fireball.addTag('bullet');
                    fireball.addTag('entity');
                    fireball.update = ITEM[4].quickFly;
                    fireball.vel = velocity;
                    fireball.shooter = entity;
                    setTimeout(fireball.destroy,20000);
                }else{
                    if(world.currentTick - entity.lastAttack < 20)return;
                    entity.lastAttack = world.currentTick;
                    entity.sound('audio/火球.mp3');
                    const up = Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2));
                    const a = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const velocity = new Box3Vector3(Math.cos(a)* Math.cos(up),Math.sin(up),Math.sin(a)* Math.cos(up)).scale(3.5);
                    const fireball = world.createEntity({
                        mesh: 'mesh/火球.vb',
                        position: entity.position,
                        meshScale: [0.03,0.03,0.03],
                        velocity,
                        collides: false,
                        gravity: false,
                        fixed: true,
                        meshEmissive: 0.2,
                        particleRate: 30,
                        particleSize: [2,4,8,4,10],
                        particleColor: [
                            new Box3RGBColor(10,9,2),
                            new Box3RGBColor(5,0.25,0.1),
                            new Box3RGBColor(3,0.05,0.05),
                            new Box3RGBColor(0,0,0),
                            new Box3RGBColor(0,0,0),
                        ],
                        particleLifetime: 0.4,
                        particleVelocitySpread: new Box3Vector3(0.7,0.7,0.7),
                    })
                    fireball.addTag(entity.player.userKey);
                    fireball.addTag('bullet');
                    fireball.addTag('entity');
                    fireball.update = ITEM[4].update;
                    fireball.vel = velocity;
                    fireball.shooter = entity;
                    setTimeout(fireball.destroy,20000);
                }
            },
            'action1'({entity }){
                if(world.currentTick - entity.lastSkill < 200)return;
                entity.lastSkill = world.currentTick;
                entity.phase = 0;
                entity.addTag('entity');
                entity.update = ITEM[4].burn;
                entity.radius = 0;
                entity.fireballs = [];
                const fireballs = [];
                for(let i = 0; i < 5; i++){
                    const ball = world.createEntity({
                        mesh: 'mesh/火球.vb',
                        position: entity.position,
                        meshScale: [0.03,0.03,0.03],
                        gravity: false,
                        collides: false,
                        meshEmissive: 0.2,
                        particleRate: 10,
                        particleSize: [2,4,8,4,10],
                        particleColor: [
                            new Box3RGBColor(10,9,2),
                            new Box3RGBColor(5,0.25,0.1),
                            new Box3RGBColor(3,0.05,0.05),
                            new Box3RGBColor(0,0,0),
                            new Box3RGBColor(0,0,0),
                        ],
                        particleLifetime: 0.4,
                        particleVelocitySpread: new Box3Vector3(0.7,0.7,0.7),
                    })
                    ball.angle = Math.PI * 0.4 * i;
                    entity.fireballs.push(ball);
                    fireballs.push(ball);
                }
                setTimeout(()=>{
                    for(const e of fireballs){
                        e.destroy();
                    }
                },10000);
            },
        },
        burn: function(){
            if(this.phase < 10){
                this.radius += 0.7;
            }else if(this.phase > 100){
                for(const e of this.fireballs){
                    e.destroy();
                }
                this.removeTag('entity');
            }else if(this.phase > 90){
                this.radius -= 0.7;
            }
            for(const e of this.fireballs){
                const angle = e.angle + world.currentTick * 0.2;
                e.position = this.position.add({x: Math.cos(angle)* this.radius,y: 0,z: Math.sin(angle)* this.radius});
                e.velocity.copy(this.velocity);
                e.velocity.y *= 0.1;
            }
            for(const e of world.querySelectorAll`.target`){
                if(e !== this && e.position.distance(this.position) < this.radius && !e.hasTag('unhurtable')&& isHurtable(this,e)){
                    e.hurt(5,{attacker: this,damageType: '焚烧领域'});
                }
            }
            if(world.currentTick % 5 === 0){
                this.sound('audio/火环.mp3');
            }
            this.phase++;
        },
        update: function(){
            this.velocity.copy(this.vel);
            this.meshOrientation.set(Math.random()* 10,Math.random()* 10,Math.random()* 10,Math.random()* 10);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter &&(e.position.distance(this.position) < 1.5 || getBounds(e).contains(this.position))&& !e.hasTag('unhurtable')&& isHurtable(this.shooter,e)){
                    e.hurt(100,{attacker: this.shooter,damageType: '烈焰法术'});
                    this.destroy();
                }
            }
            if(voxels.getVoxelId(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        quickFly: function(){
            this.velocity.copy(this.vel);
            this.meshOrientation.set(Math.random() * 10,Math.random() * 10,Math.random() * 10,Math.random() * 10);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter &&(e.position.distance(this.position) < 3 || getBounds(e).contains(this.position)) && !e.hasTag('unhurtable') && isHurtable(this.shooter,e)){
                    e.hurt(200,{attacker: this.shooter,damageType: '烈焰禁术'});
                    this.destroy();
                }
            }
            if(voxels.getVoxelId(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/烈焰法杖.vb',
                scale: [0.4,0.4,0.4],
                orientation: Quat.rotateX(Math.PI).rotateZ(Math.PI * 0.8),
                offset: [0,-0.4,0.4],
            }
        ],
    },
    5: {
        name: '熔岩战斧',
        type: 0,
        effect: {
            async'action0'({entity}){
                if(world.currentTick - entity.lastAttack < 50)return;
                if(entity.player.crouchButton){
                    const d = entity.raycast.direction;
                    const angle = Math.atan2(d.z,d.x);
                    const up = Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2));
                    entity.lastAttack = world.currentTick;
                    const bullet = world.createEntity({
                        mesh: 'mesh/剑气主体_01.vb',
                        position: entity.position,
                        meshScale: [0.0625,0.0625,0.0625],
                        gravity: false,
                        collides: false,
                        velocity: d.scale(2),
                        meshOrientation: Quat.rotateX(up).rotateY(angle),
                        particleRate: 50,
                        particleLifetime: 0.5,
                        particleSize: [8,6,4,2,0.5],
                        particleColor: [
                            new Box3RGBColor(10,10,0),
                            new Box3RGBColor(10,0.5,0),
                            new Box3RGBColor(10,0,0),
                            new Box3RGBColor(0.5,0,0),
                            new Box3RGBColor(0,0,0),
                        ],
                    })
                    bullet.addTag('entity');
                    bullet.shooter = entity;
                    bullet.damageType = '地狱月牙斩';
                    bullet.damage = 30;
                    bullet.update = ITEM[5].update;
                    setTimeout(bullet.destroy,2000);
                }else{
                    entity.lastAttack = Infinity;
                    entity.lastSkill = Infinity;
                    entity.player.enableJump = false;
                    entity.velocity.set(entity.player.facingDirection.x * 3,1.4,entity.player.facingDirection.z * 3);
                    const event = entity.onVoxelContact(({axis })=>{
                        if(axis.y === 1){
                            entity.lastAttack = world.currentTick;
                            entity.lastSkill = world.currentTick;
                            event.cancel();
                            entity.player.enableJump = true;
                            const bullet = world.createEntity({
                                mesh: 'mesh/剑气分身.vb',
                                position: entity.position,
                                meshScale: [0.2,0.2,0.2],
                                gravity: false,
                                collides: false,
                                velocity: entity.player.facingDirection.scale(3),
                                meshOrientation: Quat.rotateY(Math.atan2(entity.player.facingDirection.z,entity.player.facingDirection.x)),
                                particleRate: 50,
                                particleLifetime: 0.5,
                                particleSize: [8,6,4,2,0.5],
                                particleColor: [
                                    new Box3RGBColor(10,10,0),
                                    new Box3RGBColor(10,0.5,0),
                                    new Box3RGBColor(10,0,0),
                                    new Box3RGBColor(0.5,0,0),
                                    new Box3RGBColor(0,0,0),
                                ],
                            })
                            bullet.addTag('entity');
                            bullet.shooter = entity;
                            bullet.damageType = '烈焰霹雳斩';
                            bullet.damage = 50;
                            bullet.update = ITEM[5].update;
                            setTimeout(bullet.destroy,2000);
                        }
                    })
                }
            },
            'action1'({entity }){
                if(world.currentTick - entity.lastSkill < 100)return;
                entity.lastSkill = Infinity;
                entity.lastAttack = Infinity;
                entity.isHurtable = false;
                entity.player.cameraFovY = 0.4;
                const bullet = world.createEntity({
                    mesh: 'mesh/单元方块.vb',
                    position: entity.position,
                    gravity: false,
                    friction: 10,
                    meshScale: [0.0625,0.0625,0.0625],
                    meshColor: [0,0,0,0],
                    particleRate: 50,
                    particleLifetime: 0.5,
                    particleSize: [8,6,4,2,0.5],
                    particleColor: [
                        new Box3RGBColor(10,10,0),
                        new Box3RGBColor(10,0.5,0),
                        new Box3RGBColor(10,0,0),
                        new Box3RGBColor(0.5,0,0),
                        new Box3RGBColor(0,0,0),
                    ],
                })
                const show = world.createEntity({
                    mesh: 'mesh/地狱之斧.vb',
                    position: entity.position,
                    gravity: false,
                    meshScale: [0.01,0.01,0.01],
                    meshColor: [1,0,0,1],
                    meshEmissive: 0.01,
                    collides: false,
                })
                entity.player.cameraEntity = bullet;
                for(const e of entity.watchers){
                    e.player.cameraEntity = bullet;
                }
                bullet.addTag(entity.player.userKey);
                entity.angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                entity.up = Math.min(0,-entity.player.cameraPitch);
                show.meshOrientation = Quat.rotateX(-world.currentTick * 0.8).rotateY(entity.angle);
                entity.bullet = bullet;
                entity.show = show;
                bullet.shooter = entity;
                bullet.addTag('bullet');
                entity.addTag('entity');
                entity.update = ITEM[5].flying;
                entity.player.invisible = true;
                entity.player.showName = false;
                entity.enableDamage = false;
                bullet.onVoxelContact(bullet.destroy);
                bullet.onEntityContact(bullet.destroy);
                setTimeout(bullet.destroy,20000);
                bullet.onDestroy(()=>{
                    ITEM[5].end_fly(entity);
                })
            },
        },
        update: function(){
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && e.position.distance(this.position) < 3 && !e.hasTag('unhurtable')&& isHurtable(this.shooter,e)){
                    e.hurt(this.damage,{attacker: this.shooter,damageType: this.damageType});
                }
            }
            if(voxels.getVoxelId(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        end_fly: function(entity){
            entity.removeTag('entity');
            entity.lastSkill = world.currentTick;
            entity.lastAttack = world.currentTick - 50;
            entity.player.cameraFovY = 0.25;
            entity.show.destroy();
            entity.position.copy(entity.bullet.position);
            entity.player.cameraEntity = entity;
            entity.isHurtable = true;
            entity.player.invisible = false;
            entity.player.showName = true;
            entity.enableDamage = true;
            for(const e of entity.watchers){
                e.player.cameraEntity = entity;
            }
            if(entity.hp){
                world.sound({
                    sample: 'audio/重击.mp3',
                    position: entity.position,
                    radius: 320,
                })
                for(const e of world.querySelectorAll`.target`){
                    if(e !== entity && e.position.distance(entity.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(entity.position,e.position)){
                        e.hurt(60,{attacker: entity,damageType: '熔岩轰炸'});
                        const direction = e.position.sub(entity.position).add({x: 0,y: 1,z: 0});
                        e.velocity.addEq(direction.scale(5 / direction.mag()** 2 / e.mass * 1.75));
                    }
                }
                const ball = world.createEntity({
                    mesh: 'mesh/光球.vb',
                    position: entity.position,
                    gravity: false,
                    collides: false,
                    meshScale: [0.005,0.005,0.005],
                    meshColor: [1,0.01,0.01,1],
                })
                ball.addTag('entity');
                ball.update = ITEM[1].explodeUpdate;
            }
        },
        flying: function(){
            if(world.currentTick % 5 === 0){
                this.bullet.sound('audio/挥动.mp3');
            }
            this.show.meshOrientation = Quat.rotateX(-world.currentTick * 0.8).rotateY(this.angle);
            if(this.show.position.distance(this.bullet.position) > 0.1){
                this.show.position.copy(this.bullet.position);
            }
            this.bullet.velocity.set(Math.cos(this.angle)* Math.cos(this.up)* 4,Math.sin(this.up)* 4,Math.sin(this.angle)* Math.cos(this.up)* 4);
            this.show.velocity.copy(this.bullet.velocity);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this && e.position.distance(this.bullet.position) < 5 && !e.hasTag('unhurtable') && isHurtable(this,e) && spread(this.position,e.position)){
                    e.hurt(20,{attacker: this,damageType: '地狱冲刺'});
                }
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/地狱之斧.vb',
                scale: [0.2,0.2,0.2],
                orientation: Quat.rotateX(Math.PI * 0.5).rotateY(Math.PI * 0.5).rotateZ(Math.PI * 0.8),
                offset: [0,-0.3,0.3],
            }
        ],
    },
    6: {
        name: '曙光轻机枪',
        type: 1,
        effect: {
            async'action1'({entity }){
                if(world.currentTick - entity.lastSkill < 21 && entity.bullets[6] !== 30)return;
                entity.lastSkill = world.currentTick;
                entity.bullets[6] = 0;
                entity.sound('audio/换弹.mp3');
                await sleep(2100);
                entity.bullets[6] = 30;
                entity.player.directMessage('换弹成功\n剩余子弹：30');
            },
        },
        press({entity }){
            if(world.currentTick - entity.lastAttack < 3)return;
            if(entity.bullets[6] === undefined){
                entity.bullets[6] = 30;
            }else if(!entity.bullets[6]){
                entity.sound('audio/空枪.mp3');
                entity.lastAttack = world.currentTick + 5;
                return;
            }
            entity.player.directMessage('剩余子弹：' + --entity.bullets[6]);
            entity.lastAttack = world.currentTick;
            entity.sound('audio/射击.mp3');
            const angle = Math.atan2(entity.player.facingDirection.z,entity.player.facingDirection.x);
            const up = -entity.player.cameraPitch;
            const direction = new Box3Vector3(Math.cos(angle)* Math.cos(up),Math.sin(up),Math.sin(angle)* Math.cos(up));
            const velocity = direction.scale(7);
            const bullet = world.createEntity({
                mesh: 'mesh/bullet.vb',
                position: entity.position,
                meshScale: [0.03,0.03,0.03],
                velocity,
                collides: false,
                gravity: false,
                meshOrientation: Quat.rotateX(up).rotateY(angle),
                particleRate: 5,
                particleLifetime: 0.75,
                particleSize: [2,0.65,0.23],
                particleColor: [
                    new Box3RGBColor(0,0,10),
                    new Box3RGBColor(0,10,10),
                    new Box3RGBColor(10,10,10),
                ],
            })
            bullet.addTag(entity.player.userKey);
            bullet.addTag('bullet');
            bullet.addTag('entity');
            bullet.vel = velocity;
            bullet.shooter = entity;
            bullet.direction = direction;
            bullet.lastPosition = entity.position.clone();
            bullet.update = ITEM[6].update;
            setTimeout(bullet.destroy,20000);
        },
        update: function(){
            this.velocity.copy(this.vel);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && this.position.distance(e.position) < this.position.distance(this.lastPosition)&& getBigBounds(e).contains(this.lastPosition.add(this.direction.scale(this.lastPosition.distance(e.position))))&& !e.hasTag('unhurtable')&& isHurtable(this.shooter,e)){
                    e.hurt(20,{attacker: this.shooter,damageType: '曙光轻机枪'});
                }
            }
            this.lastPosition.copy(this.position);
            if(voxels.getVoxelId(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/枪-3.vb',
                scale: [0.4,0.4,0.4],
                orientation: Quat.rotateX(Math.PI).rotateZ(Math.PI * 0.8),
                offset: [0,-0.2,0.4],
            }
        ],
    },
    7: {
        name: '黎明狙击枪',
        type: 1,
        effect: {
            'action0'({entity }){
                if(world.currentTick - entity.lastAttack < 20)return;
                entity.player.cameraMode = 'fps';
                entity.player.cameraFovY = 0.1;
            },
            async'action1'({entity }){
                if(world.currentTick - entity.lastSkill < 21 && entity.bullets[7] !== 5)return;
                entity.lastSkill = world.currentTick;
                entity.bullets[7] = 0;
                entity.sound('audio/换弹.mp3');
                await sleep(2100);
                entity.bullets[7] = 5;
                entity.player.directMessage('换弹成功\n剩余子弹：5');
            },
        },
        effectOver: {
            'action0'({entity }){
                if(entity.player.cameraMode === 'follow')return;
                entity.lastAttack = world.currentTick;
                entity.player.cameraMode = 'follow';
                entity.player.cameraFovY = 0.25;
                ITEM[7].shoot(entity);
            }
        },
        shoot(entity){
            if(entity.bullets[7] === undefined){
                entity.bullets[7] = 5;
            }else if(!entity.bullets[7]){
                entity.sound('audio/空枪.mp3');
                entity.lastAttack = world.currentTick + 5;
                return;
            }
            entity.player.directMessage('剩余子弹：' + --entity.bullets[7]);
            entity.sound('audio/射击.mp3');
            const direction = entity.raycast.direction.clone();
            const up = Math.atan2(direction.y,Math.sqrt(direction.x ** 2 + direction.z ** 2));
            const angle = Math.atan2(direction.z,direction.x);
            const velocity = direction.scale(7);
            const bullet = world.createEntity({
                mesh: 'mesh/bullet.vb',
                position: entity.position,
                meshScale: [0.03,0.03,0.03],
                velocity,
                collides: false,
                gravity: false,
                meshOrientation: Quat.rotateX(up).rotateY(angle),
                particleRate: 10,
                particleLifetime: 0.75,
                particleSize: [2,0.65,0.23],
                particleColor: [
                    new Box3RGBColor(0,0,10),
                    new Box3RGBColor(0,10,10),
                    new Box3RGBColor(10,10,10),
                ],
            })
            bullet.addTag(entity.player.userKey);
            bullet.addTag('bullet');
            bullet.addTag('entity');
            bullet.vel = velocity;
            bullet.shooter = entity;
            bullet.direction = direction;
            bullet.lastPosition = entity.position.clone();
            bullet.update = ITEM[7].update;
            setTimeout(bullet.destroy,20000);
        },
        update: function(){
            this.velocity.copy(this.vel);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && this.position.distance(e.position) < this.position.distance(this.lastPosition)&& getBigBounds(e).contains(this.lastPosition.add(this.direction.scale(this.lastPosition.distance(e.position))))&& !e.hasTag('unhurtable')&& isHurtable(this.shooter,e)){
                    e.hurt(120,{attacker: this.shooter,damageType: '黎明狙击枪'});
                }
            }
            this.lastPosition.copy(this.position);
            if(voxels.getVoxelId(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/枪-18.vb',
                scale: [0.4,0.4,0.4],
                orientation: Quat.rotateY(Math.PI).rotateX(Math.PI).rotateZ(Math.PI * 0.8),
                offset: [0,-0.2,0.3],
            }
        ],
    },
    8: {
        name: '天空法杖',
        type: 2,
        effect: {
            'action0'({entity}){
                const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                if(entity.player.crouchButton && !entity.hasTag('flying')){
                    if(world.currentTick - entity.lastAttack < 100)return;
                    entity.lastAttack = world.currentTick;
                    const cyclone = world.createEntity({
                        mesh: 'mesh/龙卷风.vb',
                        position: entity.position.add({x: 0,y: 3,z: 0}),
                        gravity: false,
                        meshScale: [0.0625,0.0625,0.0625],
                        meshColor: [0.01,1,1,1],
                        velocity: [Math.cos(angle)* 0.5,-0.1,Math.sin(angle)* 0.5],
                        mass: 256,
                    })
                    cyclone.addTag('invisible');
                    cyclone.addTag('entity');
                    cyclone.update = ITEM[8].blow;
                    cyclone.shooter = entity;
                    setTimeout(cyclone.destroy,20000);
                }else{
                    if(world.currentTick - entity.lastAttack < 10)return;
                    entity.lastAttack = world.currentTick;
                    const up = Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2));
                    const a = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const velocity = new Box3Vector3(Math.cos(a)* Math.cos(up),Math.sin(up),Math.sin(a)* Math.cos(up)).scale(2.5);
                    const windball = world.createEntity({
                        mesh: 'mesh/光球.vb',
                        position: entity.position,
                        meshColor: [0.01,1,1,1],
                        meshScale: [0.011,0.011,0.011],
                        gravity: false,
                        velocity,
                        collides: false,
                        particleRate: 50,
                        particleLifetime: 0.6,
                        particleSize: [2,4,8,4,10],
                        particleColor: [
                            new Box3RGBColor(2,9,10),
                            new Box3RGBColor(0.1,0.25,5),
                            new Box3RGBColor(0.05,0.05,3),
                            new Box3RGBColor(0,0,0),
                            new Box3RGBColor(0,0,0),
                        ],
                    })
                    windball.addTag(entity.player.userKey);
                    windball.addTag('bullet');
                    windball.addTag('entity');
                    windball.update = ITEM[8].update;
                    windball.vel = velocity;
                    windball.shooter = entity;
                    windball.onDestroy(()=>{
                        for(const e of world.querySelectorAll`.target`){
                            if(e !== entity && e.position.distance(windball.position) < 7 && !e.hasTag('unhurtable') && isHurtable(entity,e)){
                                e.hurt(15,{attacker: entity,damageType: '混沌疾风'});
                            }
                        }
                    })
                    setTimeout(windball.destroy,20000);
                }
            },
            async'action1'({entity }){
                if(entity.hasTag('flying')){
                    ITEM[8].fall(entity,1);
                }else if(world.currentTick - entity.lastSkill > 100){
                    const falltimes = ++entity.falltimes;
                    entity.lastSkill = world.currentTick;
                    for(const e of world.querySelectorAll`.target`){
                        if(e.position.distance(entity.position) < 10 && e !== entity && !e.hasTag('unhurtable') && isHurtable(entity,e)){
                            e.hurt(20,{attacker: entity,damageType: '虚空之力'});
                        }
                    }
                    entity.sound('audio/起飞.mp3');
                    entity.addTag('flying');
                    entity.velocity.y = 0.1;
                    await sleep(10000);
                    if(falltimes === entity.falltimes){
                        ITEM[8].fall(entity,0);
                    }
                }
            },
        },
        fall: function(entity,isBreak){
            if(!entity.hp || !entity.hasTag('flying'))return;
            entity.removeTag('flying');
            entity.isHurtable = false;
            entity.lastAttack = Infinity;
            entity.lastSkill = Infinity;
            removeEffect(entity);
            const bullet = world.createEntity({
                mesh: 'mesh/单元方块.vb',
                position: entity.position,
                gravity: false,
                friction: 10,
                meshScale: [0.125,0.125,0.125],
                meshColor: [0,0,0,0],
                particleRate: 200,
                particleLifetime: 0.5,
                particleSize: [8,6,4,2,0.5],
                particleColor: [
                    new Box3RGBColor(0.5,10,10),
                    new Box3RGBColor(0.55,10,10),
                    new Box3RGBColor(0.6,10,10),
                    new Box3RGBColor(0.65,10,10),
                    new Box3RGBColor(0.7,10,10),
                ],
            })
            const show = world.createEntity({
                mesh: 'mesh/黑洞.vb',
                position: entity.position,
                gravity: false,
                meshScale: [0.01,0.01,0.01],
                meshColor: [1,0,0,1],
                meshEmissive: 0.01,
                collides: false,
            })
            entity.player.cameraEntity = bullet;
            for(const e of entity.watchers){
                e.player.cameraEntity = bullet;
            }
            bullet.addTag(entity.player.userKey);
            entity.angle = isBreak? Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x):Math.atan2(entity.player.facingDirection.z,entity.player.facingDirection.x);
            entity.up = Math.min(0,isBreak? Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2)):-entity.player.cameraPitch);
            entity.bullet = bullet;
            entity.show = show;
            bullet.shooter = entity;
            bullet.addTag('bullet');
            entity.addTag('entity');
            entity.update = ITEM[8].flying;
            entity.player.invisible = true;
            entity.player.showName = false;
            entity.enableDamage = false;
            entity.player.cameraFovY = 0.4;
            bullet.onVoxelContact(bullet.destroy);
            bullet.onEntityContact(bullet.destroy);
            setTimeout(bullet.destroy,20000);
            bullet.onDestroy(()=>{
                ITEM[8].end_fly(entity);
            })
        },
        update: function(){
            this.velocity.copy(this.vel);
            this.meshOrientation.set(Math.random()* 10,Math.random()* 10,Math.random()* 10,Math.random()* 10);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter &&(e.position.distance(this.position) < 1.5 || getBounds(e).contains(this.position))&& !e.hasTag('unhurtable') && isHurtable(this.shooter,e)){
                    e.hurt(30,{attacker: this.shooter,damageType: '风暴之力'});
                    this.destroy();
                }
            }
            if(voxels.getVoxelId(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        blow: function(){
            this.meshOrientation = Quat.rotateY(world.currentTick * 0.2);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && !e.hasTag('unhurtable')){
                    const x = e.position.x - this.position.x;
                    const y = e.position.y - this.position.y;
                    const z = e.position.z - this.position.z;
                    if(Math.sqrt(x ** 2 + z ** 2) < 5 && Math.abs(y) < 5 && isHurtable(this.shooter,e)){
                        e.hurt(5,{attacker: this.shooter,damageType: '天穹旋风'});
                    }
                }
            }
        },
        end_fly: function(entity){
            entity.removeTag('entity');
            entity.lastSkill = world.currentTick;
            entity.lastAttack = world.currentTick - 100;
            entity.player.cameraFovY = 0.25;
            entity.show.destroy();
            entity.position.copy(entity.bullet.position);
            entity.player.cameraEntity = entity;
            entity.isHurtable = true;
            entity.player.invisible = false;
            entity.player.showName = true;
            entity.enableDamage = true;
            for(const e of entity.watchers){
                e.player.cameraEntity = entity;
            }
            if(entity.hp){
                world.sound({
                    sample: 'audio/重击.mp3',
                    position: entity.position,
                    radius: 320,
                })
                for(const e of world.querySelectorAll`.target`){
                    if(e !== entity && e.position.distance(entity.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(entity.position,e.position)){
                        e.hurt(25,{attacker: entity,damageType: '吞噬黑洞'});
                        const direction = e.position.sub(entity.position).add({x: 0,y: 1,z: 0});
                        e.velocity.addEq(direction.scale(5 / direction.mag()** 2 / e.mass * 1.75));
                    }
                }
                const ball = world.createEntity({
                    mesh: 'mesh/光球.vb',
                    position: entity.position,
                    gravity: false,
                    collides: false,
                    meshScale: [0.005,0.005,0.005],
                    meshColor: [0.01,1,1,1],
                })
                ball.addTag('entity');
                ball.update = ITEM[1].explodeUpdate;
            }
        },
        flying: function(){
            this.show.meshOrientation.set(Math.random(),Math.random(),Math.random(),Math.random());
            if(this.show.position.distance(this.bullet.position) > 0.1){
                this.show.position.copy(this.bullet.position);
            }
            this.bullet.velocity.set(Math.cos(this.angle)* Math.cos(this.up)* 4,Math.sin(this.up)* 4,Math.sin(this.angle)* Math.cos(this.up)* 4);
            this.show.velocity.copy(this.bullet.velocity);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this && e.position.distance(this.bullet.position) < 5 && !e.hasTag('unhurtable') && isHurtable(this,e) && spread(this.position,e.position)){
                    e.hurt(5,{attacker: this,damageType: '虚无轨迹'});
                }
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/天空法杖.vb',
                scale: [0.5,0.5,0.5],
                offset: [0,-0.3,0.3],
                orientation: Quat.rotateZ(-Math.PI * 0.7),
            }
        ],
    },
    9: {
        name: '黄金三叉戟',
        type: 0,
        effect: {
            async'action0'({entity }){
                if(entity.player.crouchButton){
                    if(world.currentTick - entity.lastAttack < 50)return;
                    entity.lastSkill = Infinity;
                    entity.lastAttack = Infinity;
                    entity.player.enableJump = false;
                    entity.isHurtable = false;
                    entity.velocity.y = 2;
                    await sleep(1000);
                    entity.addTag('entity');
                    entity.mesh = 'mesh/下落三叉戟.vb';
                    entity.update = ITEM[9].falling;
                    entity.meshEmissive = 1;
                    entity.player.invisible = true;
                    entity.velocity.y = -4;
                    initParticle(entity);
                    Object.assign(entity,{
                        particleRate: 100,
                        particleLifetime: 5,
                        particleSize: [5,2,1],
                        particleColor: [
                            new Box3RGBColor(0,0,10),
                            new Box3RGBColor(0,10,10),
                            new Box3RGBColor(10,10,10),
                        ],
                        particleNoise: 5,
                        particleNoiseFrequency: 2,
                    })
                    entity.attacked = false;
                    entity.event = entity.onVoxelContact(ITEM[9].boom);
                }else{
                    if(world.currentTick - entity.lastAttack < 80)return;
                    entity.lastAttack = world.currentTick;
                    const waterSwords = [];
                    for(let i = 0; i < 8; i++){
                        const radius = i * 4 + 4;
                        const waterSword = world.createEntity({
                            bounds: [4,4,4],
                            meshScale: [0.25,0.25,0.25],
                            meshColor: [0,0,0,0],
                            collides: false,
                            gravity: false,
                            particleRate: 50,
                            particleLifetime: 5,
                            particleSize: [50,5,3,1,0],
                            particleColor: [
                                new Box3RGBColor(0,0,10),
                                new Box3RGBColor(0,10,10),
                                new Box3RGBColor(10,10,10),
                                new Box3RGBColor(10,10,10),
                                new Box3RGBColor(10,10,10),
                            ],
                            particleNoise: 25,
                            particleNoiseFrequency: 2,
                        })
                        waterSword.radius = radius;
                        waterSwords.push(waterSword);
                    }
                    entity.sound('audio/大水流.mp3');
                    waterSwords[0].addTag('entity');
                    waterSwords[0].startTick = world.currentTick;
                    waterSwords[0].update = ITEM[9].strike;
                    waterSwords[0].angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    waterSwords[0].waterSwords = waterSwords;
                    waterSwords[0].origin = entity.position.clone();
                    waterSwords[0].shooter = entity;
                }
            },
            async'action1'({entity}){
                if(world.currentTick - entity.lastSkill > 100){
                    entity.velocity.y = 2;
                    entity.lastSkill = Infinity;
                    entity.lastAttack = Infinity;
                    entity.lastSpoce = Infinity;
                    entity.isHurtable = false;
                    entity.sound('audio/起飞.mp3');
                    await sleep(300);
                    const bullet = world.createEntity({
                        mesh: 'mesh/单元方块.vb',
                        position: entity.position,
                        gravity: false,
                        meshScale: [0.0625,0.0625,0.0625],
                        meshColor: [0,0,0,0],
                        friction: 3,
                        particleRate: 200,
                        particleLifetime: 5,
                        particleSize: [5,2,1],
                        particleColor: [
                            new Box3RGBColor(0,0,10),
                            new Box3RGBColor(0,10,10),
                            new Box3RGBColor(10,10,10),
                        ],
                        particleNoise: 5,
                        particleNoiseFrequency: 2,
                    })
                    const show = world.createEntity({
                        mesh: 'mesh/三叉戟.vb',
                        position: entity.position,
                        gravity: false,
                        meshScale: [0.01,0.01,0.01],
                        meshEmissive: 1,
                        collides: false,
                    })
                    entity.player.cameraEntity = bullet;
                    for(const e of entity.watchers){
                        e.player.cameraEntity = bullet;
                    }
                    bullet.addTag(entity.player.userKey);
                    entity.angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    entity.up = 0;
                    show.meshOrientation = Quat.rotateY(Math.PI * 0.5).rotateX(entity.up).rotateY(entity.angle);
                    entity.bullet = bullet;
                    entity.show = show;
                    bullet.shooter = entity;
                    bullet.addTag('bullet');
                    entity.addTag('entity');
                    entity.update = ITEM[9].flying;
                    entity.player.invisible = true;
                    entity.player.showName = false;
                    entity.enableDamage = false;
                    bullet.onVoxelContact(bullet.destroy);
                    bullet.onEntityContact(bullet.destroy);
                    setTimeout(bullet.destroy,20000);
                    bullet.onDestroy(()=>{
                        ITEM[9].end_fly(entity);
                    })
                }
            },
        },
        falling: function(){
            if(this.player.moveState === Box3PlayerMoveState.GROUND){
                ITEM[9].boom({entity: this,axis: {x: 0,y: 1,z: 0}});
            }
        },
        boom({entity,axis }){
            if(axis.y === 1 && !entity.attacked){
                entity.removeTag('entity');
                entity.lastSkill = world.currentTick;
                entity.lastAttack = world.currentTick - 5;
                entity.event.cancel();
                entity.mesh = '';
                entity.particleRate = 0;
                entity.player.invisible = false;
                entity.isHurtable = true;
                entity.player.enableJump = true;
                ITEM[9].explode(entity,new Box3Vector3(entity.position.x,entity.position.y - entity.bounds.y,entity.position.z));
            }
        },
        strike: function(){
            const tick = world.currentTick - this.startTick;
            if(tick > 9){
                const hurters = [];
                for(const e of this.waterSwords){
                    for(const a of world.querySelectorAll`.target`){
                        if(a !== this.shooter && a.position.distance(e.position) < 10 && !a.hasTag('unhurtable') && !hurters.includes(a) && isHurtable(this.shooter,a)){
                            hurters.push(a);
                        }
                    }
                    e.destroy();
                }
                for(const e of hurters){
                    e.hurt(45,{attacker: this.shooter,damageType: '深渊·巨浪怒刃'});
                }
            }
            const angle = 1.6 - 0.2 * tick;
            for(const e of this.waterSwords){
                e.position = this.origin.add({x: Math.cos(this.angle)* Math.cos(angle)* e.radius * 2,y: Math.sin(angle)* e.radius,z: Math.sin(this.angle) * Math.cos(angle) * e.radius * 2});
            }
        },
        end_fly: function(entity){
            entity.lastSkill = world.currentTick;
            entity.lastAttack = world.currentTick - 10;
            entity.lastSpoce = world.currentTick - 200;
            entity.show.destroy();
            entity.position.copy(entity.bullet.position);
            entity.player.cameraEntity = entity;
            entity.isHurtable = true;
            entity.player.invisible = false;
            entity.player.showName = true;
            entity.enableDamage = true;
            for(const e of entity.watchers){
                e.player.cameraEntity = entity;
            }
            if(entity.hp){
                entity.sound('audio/explode.mp3');
                for(const e of world.querySelectorAll`.target`){
                    if(e !== entity && e.position.distance(entity.position) < 20 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(entity.position,e.position)){
                        e.hurt(40,{attacker: entity,damageType: '无尽·深海审判'});
                        const direction = e.position.sub(entity.position).add({x: 0,y: 1,z: 0});
                        e.velocity.addEq(direction.scale(5 / direction.mag()** 2 / e.mass * 1.75));
                    }
                }
                const ball = world.createEntity({
                    mesh: 'mesh/光球.vb',
                    position: entity.position,
                    gravity: false,
                    collides: false,
                    meshColor: [0.01,0.01,1,1],
                    meshScale: [0.04,0.04,0.04],
                })
                ball.addTag('entity');
                ball.update = ITEM[9].explodeUpdate;
            }
        },
        explodeUpdate: function(){
            this.meshScale.x *= 1.2;
            this.meshScale.y *= 1.2;
            this.meshScale.z *= 1.2;
            if(this.meshScale.x > 0.1){
                this.destroy();
            }
        },
        explode: function(entity,position){
            entity.sound('audio/地动.mp3');
            for(const e of world.querySelectorAll`.target`){
                if(e !== entity && e.position.distance(entity.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(entity.position,e.position)){
                    e.hurt(35,{attacker: entity,damageType: '禁锢·波光闪耀'});
                    const direction = e.position.sub(entity.position).add({x: 0,y: 2,z: 0});
                    e.velocity.addEq(direction.scale(5 / direction.mag()** 2 / e.mass * 1.75));
                }
            }
            const ring = world.createEntity({
                mesh: 'mesh/水阵.vb',
                meshScale: [0.005,0.005,0.005],
                position,
                collides: false,
                gravity: false,
            })
            ring.state = 0;
            ring.scale = 0.005;
            ring.addTag('entity');
            ring.update = ITEM[0].explodeUpdate;
        },
        flying: function(){
            this.direction = Math.atan2(this.player.facingDirection.z,this.player.facingDirection.x);
            rotate(this);
            const up = -this.player.cameraPitch;
            if(this.up > up){
                this.up -= 0.1;
            }
            this.show.meshOrientation = Quat.rotateY(Math.PI * 0.5).rotateX(this.up).rotateY(this.angle);
            if(this.show.position.distance(this.bullet.position) > 0.1){
                this.show.position.copy(this.bullet.position);
            }
            this.bullet.velocity.set(Math.cos(this.angle) * Math.cos(this.up) * 1.5,Math.sin(this.up) * 1.5,Math.sin(this.angle) * Math.cos(this.up) * 1.5);
            this.show.velocity.copy(this.bullet.velocity);
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/三叉戟.vb',
                scale: [0.3,0.3,0.4],
                offset: [0,-0.45,0.5],
                emissive: 0.1,
                orientation: Quat.rotateZ(Math.PI * 0.8),
            }
        ],
    },
    10: {
        name: '电子三叉戟',
        type: 3,
        effect: {
            async'action0'({entity }){
                //闪电连斩
                if(world.currentTick - entity.lastAttack > 50){
                    entity.lastAttack = world.currentTick;
                    const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const entity1 = world.createEntity({
                        mesh: 'mesh/剑气.vb',
                        position: entity.position,
                        collides: false,
                        meshScale: [0.1,0.1,0.1],
                        gravity: false,
                        velocity: new Box3Vector3(Math.cos(angle)* 2,0,Math.sin(angle)* 2),
                        meshOrientation: Quat.rotateY(angle),
                        particleRate: 100,
                        particleSize: [5,3,5,3,5],
                        particleNoise: 2,
                        particleNoiseFrequency: 5,
                        particleColor: [
                            new Box3RGBColor(0.033,1,10),
                            new Box3RGBColor(10,0.025,10),
                            new Box3RGBColor(0.05,1,10),
                            new Box3RGBColor(10,0.5,10),
                            new Box3RGBColor(0.2,1,10)
                        ]
                    })
                    entity.sound('audio/electric.mp3');
                    const e1 = ITEM[10].thunder(),e2 = ITEM[10].thunder();
                    const p1 = entity.position.add({x: Math.cos(angle - 1.7) * 3,y: 0,z: Math.sin(angle - 1.7) * 3});
                    const p2 = entity.position.add({x: Math.cos(angle + 1.7) * 3,y: 0,z: Math.sin(angle + 1.7) * 3});
                    const t1 = entity.position.add({x: Math.cos(angle - 0.2) * 8,y: 0,z: Math.sin(angle - 0.2) * 8});
                    const t2 = entity.position.add({x: Math.cos(angle + 0.2) * 8,y: 0,z: Math.sin(angle + 0.2) * 8});
                    Object.assign(e1,{position: p1,velocity: t1.sub(p1).scale(0.2)});
                    Object.assign(e2,{position: p2,velocity: t2.sub(p2).scale(0.2)});
                    ITEM[10].strike(entity,entity.position.add({x: Math.cos(angle)* 10,y: 0,z: Math.sin(angle)* 10}),10);
                    setTimeout(()=>{
                        entity1.destroy();
                        const d = entity1.position.sub(entity.position);
                        const rip = world.createEntity({
                            mesh: 'mesh/时空裂缝.vb',
                            position: entity.position.lerp(entity1.position,0.5),
                            collides: false,
                            gravity: false,
                            meshScale: [entity.position.distance(entity1.position)* 0.03125,0.0625,0],
                            meshOrientation: Quat.rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x)),
                        })
                        rip.animate([
                           {
                                meshScale: [entity.position.distance(entity1.position)* 0.03125,0.0625,0],
                            },
                           {
                                meshScale: [entity.position.distance(entity1.position)* 0.03125,0,0],
                            },
                        ],{
                            duration: 32,
                            delay: 32,
                        }).onFinish(rip.destroy);
                    },500);
                    await sleep(500);
                    const entity2 = world.createEntity({
                        mesh: 'mesh/剑气.vb',
                        position: entity.position,
                        collides: false,
                        meshScale: [0.1,0.1,0.1],
                        gravity: false,
                        velocity: new Box3Vector3(Math.cos(angle)* 2,0,Math.sin(angle)* 2),
                        meshOrientation: Quat.rotateY(angle),
                        particleRate: 50,
                        particleSize: [5,3,5,3,5],
                        particleNoise: 2,
                        particleNoiseFrequency: 5,
                        particleColor: [
                            new Box3RGBColor(0.033,1,10),
                            new Box3RGBColor(10,0.025,10),
                            new Box3RGBColor(0.05,1,10),
                            new Box3RGBColor(10,0.5,10),
                            new Box3RGBColor(0.2,1,10)
                        ]
                    })
                    entity.sound('audio/explode.mp3');
                    const e3 = ITEM[10].thunder(),e4 = ITEM[10].thunder(),e5 = ITEM[10].thunder();
                    const p3 = entity.position.add({x: Math.cos(angle - 1.7)* 5,y: 3,z: Math.sin(angle - 1.7)* 5});
                    const p4 = entity.position.add({x: Math.cos(angle + 1.7)* 5,y: 3,z: Math.sin(angle + 1.7)* 5});
                    const p5 = entity.position.add({x: Math.cos(angle)* 7,y: -1,z: Math.sin(angle)* 7});
                    const t3 = entity.position.sub({x: Math.cos(angle - 1.7)* 8,y: 1,z: Math.sin(angle - 1.7)* 8});
                    const t4 = entity.position.sub({x: Math.cos(angle + 1.7)* 8,y: 1,z: Math.sin(angle + 1.7)* 8});
                    const t5 = entity.position.add({x: Math.cos(angle)* 6.9,y: 0,z: Math.sin(angle)* 6.9});
                    Object.assign(e3,{position: p3,velocity: t3.sub(p3).scale(0.05)});
                    Object.assign(e4,{position: p4,velocity: t4.sub(p4).scale(0.05)});
                    Object.assign(e5,{position: p5,velocity: t5.sub(p5).scale(0.6)});
                    ITEM[10].strike(entity,entity.position.add({x: Math.cos(angle)* 10,y: 0,z: Math.sin(angle)* 10}),8);
                    setTimeout(()=>{
                        entity2.destroy();
                        const d = entity2.position.sub(entity.position);
                        const rip = world.createEntity({
                            mesh: 'mesh/时空裂缝.vb',
                            position: entity.position.lerp(entity2.position,0.5),
                            collides: false,
                            gravity: false,
                            meshScale: [entity.position.distance(entity2.position)* 0.03125,0.0625,0],
                            meshOrientation: Quat.rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x)),
                        })
                        rip.animate([
                           {
                                meshScale: [entity.position.distance(entity2.position) * 0.03125,0.0625,0],
                            },
                           {
                                meshScale: [entity.position.distance(entity2.position) * 0.03125,0,0],
                            },
                        ],{
                            duration: 32,
                            delay: 32,
                        }).onFinish(rip.destroy);
                    },500);
                }
            },
            'action1'({entity}){
                if(world.currentTick - entity.lastSkill > 30){
                    entity.lastSkill = Infinity;
                    entity.lastAttack = Infinity;
                    entity.bagable = false;
                    entity.weaponSight[0].remove();
                    const d = entity.raycast.direction.clone();
                    const trident = world.createEntity({
                        mesh: 'mesh/电子三叉戟飞行.vb',
                        position: entity.position.add({x: 0,y: 2,z: 0}),
                        meshScale: [0.01,0.01,0.01],
                        velocity: d.scale(4),
                        meshOrientation: Quat.rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x)),
                        particleRate: 100,
                        particleSize: [5,3,5,3,5],
                        particleNoise: 2,
                        particleNoiseFrequency: 5,
                        particleColor: [
                            new Box3RGBColor(0.033,1,10),
                            new Box3RGBColor(10,0.025,10),
                            new Box3RGBColor(0.05,1,10),
                            new Box3RGBColor(10,0.5,10),
                            new Box3RGBColor(0.2,1,10)
                        ]
                    })
                    entity.trident = trident;
                    entity.sound('audio/挥动.mp3');
                    trident.addTag(entity.player.userKey);
                    trident.addTag('entity');
                    trident.addTag('bullet');
                    trident.state = 0;
                    trident.floating = 0;
                    trident.shooter = entity;
                    trident.onDestroy(()=>{
                        entity.bagable = true;
                        entity.weaponSight[0] = entity.player.addWearable(ITEM[10].style[0]);
                        entity.lastSkill = world.currentTick;
                        entity.lastAttack = world.currentTick - 50;
                    })
                    trident.onEntityContact(({other })=>{
                        if(trident.state === 0 && isHurtable(entity,other)){
                            other.hurt(250,{attacker: entity,damageType: '电子三叉戟'});
                            trident.state++;
                            trident.velocity.y = 1;
                            trident.gravity = false;
                            trident.collides = false;
                            trident.particleLifetime = 1;
                            ITEM[10].boom(entity,trident.position);
                        }
                    })
                    trident.onVoxelContact(()=>{
                        if(trident.state === 0){
                            trident.state++;
                            trident.velocity.y = 1;
                            trident.gravity = false;
                            trident.collides = false;
                            trident.particleLifetime = 1;
                            ITEM[10].boom(entity,trident.position);
                        }
                    })
                    trident.update = ITEM[10].update;
                }
            },
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/电子三叉戟.vb',
                scale: [0.3,0.3,0.3],
                offset: [0,-0.35,0.5],
                orientation: Quat.rotateZ(-Math.PI * 0.65),
            }
        ],
        strike(entity,center,radius){
            for(const e of world.querySelectorAll`.target`){
                if(e.position.distance(center) < radius && e !== entity && !e.hasTag('unhurtable') && isHurtable(entity,e)){
                    e.hurt(30,{attacker: entity,damageType: '寂无·时空深渊斩'});
                }
            }
        },
        thunder(){
            const entity = world.createEntity({
                mesh: 'mesh/单元方块.vb',
                gravity: false,
                collides: false,
                meshScale: [0.005,0.005,0.005],
                particleRate: 100,
                particleSize: [5,3,5,3,5],
                particleLifetime: 0.5,
                particleNoise: 2,
                particleNoiseFrequency: 5,
                friction: 10,
                particleColor: [
                    new Box3RGBColor(0.033,1,10),
                    new Box3RGBColor(10,0.025,10),
                    new Box3RGBColor(0.05,1,10),
                    new Box3RGBColor(10,0.5,10),
                    new Box3RGBColor(0.2,1,10)
                ]
            })
            setTimeout(entity.destroy,500);
            return entity;
        },
        boom(entity,position){
            for(const e of world.querySelectorAll`.target`){
                world.sound({
                    sample: 'audio/重击.mp3',
                    position,
                    radius: 320,
                })
                if(e !== entity && e.position.distance(position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(position,e.position)){
                    e.hurt(65,{attacker: entity,damageType: '九重天雷·星辰陨落'});
                    const direction = e.position.sub(position).add({x: 0,y: 1,z: 0});
                    e.velocity.addEq(direction.scale(5 / direction.mag() ** 2 / e.mass * 1.75));
                }
            }
            const ball = world.createEntity({
                mesh: 'mesh/光球.vb',
                position,
                gravity: false,
                collides: false,
                meshScale: [0.005,0.005,0.005],
                meshColor: [1,0.01,1,1],
            })
            ball.addTag('entity');
            ball.update = ITEM[1].explodeUpdate;
        },
        update: function(){
            switch(this.state){
                case 0:
                    const d = this.velocity;
                    this.meshOrientation = Quat.rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x));
                    break;
                case 1:
                    this.floating++;
                    if(this.floating > 10){
                        this.state++;
                    }
                    break;
                case 2:
                    const d2 = this.shooter.position.sub(this.position);
                    this.meshOrientation = Quat.rotateY(Math.PI).rotateX(Math.atan2(d2.y,Math.sqrt(d2.x ** 2 + d2.z ** 2))).rotateY(Math.atan2(d2.z,d2.x));
                    this.velocity = d2.scale(2 / d2.mag());
                    if(this.position.distance(this.shooter.position) < 9){
                        this.destroy();
                    }
                    break;
            }
        },
    },
    11: {
        name: '鞭炮',
        type: 3,
        effect: {
            'action0'({entity}){
                if(entity.boom && !entity.boom.destroyed)return;
                entity.weaponSight[1].remove();
                const boom = world.createEntity({
                    mesh: 'mesh/春节二十响.vb',
                    position: entity.position,
                    meshScale: [0.01,0.01,0.01],
                    velocity: entity.raycast.direction.scale(2),
                    meshOrientation: Quat.rotateY(Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x)),
                    friction: 10,
                })
                boom.addTag('bullet');
                boom.shooter = entity;
                boom.addTag(entity.player.userKey);
                boom.enableDamage = true;
                boom.hp = boom.maxHp = 20;
                boom.addTag('target');
                boom.onDie(boom.destroy);
                boom.onDestroy(()=>{
                    if(entity.weapon === 11){
                        entity.weaponSight[1] = entity.player.addWearable({
                            mesh: 'mesh/春节鞭炮1.vb',
                            bodyPart: Box3BodyPart.TORSO,
                            scale: [0.1,0.1,0.1],
                            offset: [0,0,-0.3],
                            orientation: Quat.rotateX(0.5),
                        })
                    }
                })
                entity.boom = boom;
            },
            'action1'({entity}){
                if(entity.boom && !entity.boom.destroyed){
                    entity.boom.addTag('entity');
                    entity.boom.meshColor.set(1,0.5,0.5,1);
                    entity.boom.update = ITEM[11].update;
                    entity.boom.times = 0;
                    entity.boom.sound('audio/鞭炮.mp3');
                    Object.assign(entity.boom,{
                        particleRate: 100,
                        particleColor: [
                            [10,2,2],
                            [10,2,2],
                            [10,2,2],
                            [10,2,2],
                            [10,2,2],
                        ],
                        particleSize: [5,4.5,4,3.5,3],
                        particleVelocity: [0,5,0],
                        particleAcceleration: [0,-5,0],
                        particleLifetime: 2,
                        particleVelocitySpread: [5,5,5],
                    })
                }
            },
        },
        update: function(){
            if(this.times++ > 20)this.destroy();
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && e !== this && e.position.distance(this.position) < 7 && !e.hasTag('unhurtable') && isHurtable(this.shooter,e) && spread(this.position,e.position)){
                    e.hurt(e.name === '年兽'? 30 + Math.random() * 30:3 + Math.random() * 3,{attacker: this.shooter,damageType: '春节十二响'});
                }
            }
        },
        onEquip(entity){
            if(!entity.boom || entity.boom.destroyed){
                entity.weaponSight[1] = entity.player.addWearable({
                    mesh: 'mesh/春节鞭炮1.vb',
                    bodyPart: Box3BodyPart.TORSO,
                    scale: [0.1,0.1,0.1],
                    offset: [0,0,-0.3],
                    orientation: Quat.rotateX(0.5),
                })
            }
        },
        style: [
           {
                mesh: 'mesh/打火石.vb',
                bodyPart: Box3BodyPart.RIGHT_HAND,
                scale: [0.6,0.6,0.6],
                offset: [0,0,0.2],
                orientation: Quat,
            },
        ],
    },
    12: {
        name: '合金钛刀',
        type: 3,
        effect: {
            async'action0'({entity}){
                if(world.currentTick - entity.lastAttack > 20){
                    entity.lastAttack = world.currentTick;
                    if(entity.player.moveState !== Box3PlayerMoveState.GROUND){
                        await new Promise((r)=>{
                            const event = entity.onVoxelContact(({axis })=>{
                                if(axis.y === 1){
                                    event.cancel();
                                    r();
                                }
                            })
                        })
                    }
                    const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const center = entity.position.add({x: Math.cos(angle)* 5,y: 0,z: Math.sin(angle)* 5});
                    const sword = world.createEntity({
                        mesh: 'mesh/机甲大刀_炽热.vb',
                        position: center.add({x: Math.cos(angle)* 5,y: 0,z: Math.sin(angle)* 5}),
                        meshScale: [0.1,0.1,0.1],
                        gravity: false,
                        collides: false,
                        meshOrientation: Quat.rotateY(angle),
                        meshEmissive: 0.1,
                        velocity: entity.raycast.direction.scale(1.2),
                    })
                    sword.up = 0;
                    sword.center = center;
                    sword.angle = angle;
                    sword.shooter = entity;
                    sword.addTag('entity');
                    sword.tick = world.currentTick;
                    sword.update = ITEM[12].update;
                }
            },
            'action1'({entity}){
                if(world.currentTick - entity.lastSkill < 200)return;
                entity.lastSkill = Infinity;
                entity.lastAttack = Infinity;
                entity.isHurtable = false;
                entity.player.cameraFovY = 0.4;
                const bullet = world.createEntity({
                    mesh: 'mesh/单元方块.vb',
                    position: entity.position,
                    friction: 10,
                    meshScale: [0.0625,0.0625,0.0625],
                    meshColor: [0,0,0,0],
                    particleRate: 50,
                    particleLifetime: 0.5,
                    particleSize: [8,6,4,2,0.5],
                    velocity: entity.raycast.direction.scale(3),
                    particleColor: [
                        new Box3RGBColor(10,9,2),
                        new Box3RGBColor(5,0.25,0.1),
                        new Box3RGBColor(3,0.05,0.05),
                        new Box3RGBColor(0,0,0),
                        new Box3RGBColor(0,0,0),
                    ],
                })
                const show = world.createEntity({
                    mesh: 'mesh/机甲大刀_炽热.vb',
                    position: entity.position,
                    meshScale: [0.02,0.02,0.02],
                    velocity: entity.raycast.direction.scale(3),
                    meshEmissive: 0.01,
                    collides: false,
                })
                entity.player.cameraEntity = bullet;
                for(const e of entity.watchers){
                    e.player.cameraEntity = bullet;
                }
                bullet.addTag(entity.player.userKey);
                entity.angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                entity.up = Math.min(0,-entity.player.cameraPitch);
                show.meshOrientation = Quat.rotateX(Math.PI).rotateY(entity.angle);
                entity.bullet = bullet;
                entity.show = show;
                bullet.shooter = entity;
                bullet.addTag('bullet');
                entity.addTag('entity');
                entity.update = ITEM[12].flying;
                entity.player.invisible = true;
                entity.player.showName = false;
                entity.enableDamage = false;
                bullet.startTick = world.currentTick;
                bullet.onVoxelContact(bullet.destroy);
                bullet.onEntityContact(bullet.destroy);
                setTimeout(bullet.destroy,20000);
                bullet.onDestroy(()=>{
                    ITEM[12].end_fly(entity);
                })
            }
        },
        end_fly: function(entity){
            entity.removeTag('entity');
            entity.lastSkill = world.currentTick;
            entity.lastAttack = world.currentTick - 20;
            entity.player.cameraFovY = 0.25;
            entity.show.destroy();
            entity.position.copy(entity.bullet.position);
            entity.player.cameraEntity = entity;
            entity.isHurtable = true;
            entity.player.invisible = false;
            entity.player.showName = true;
            entity.enableDamage = true;
            for(const e of entity.watchers){
                e.player.cameraEntity = entity;
            }
            if(entity.hp){
                world.sound({
                    sample: 'audio/重击.mp3',
                    position: entity.position,
                    radius: 320,
                })
                for(const e of world.querySelectorAll`.target`){
                    if(e !== entity && e.position.distance(entity.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(entity.position,e.position)){
                        e.hurt((world.currentTick - entity.bullet.startTick)* 7,{attacker: entity,damageType: '修罗巨剑'});
                        const direction = e.position.sub(entity.position).add({x: 0,y: 1,z: 0});
                        e.velocity.addEq(direction.scale((world.currentTick - entity.bullet.startTick)* 0.4 / direction.mag()** 2 / e.mass * 1.75));
                    }
                }
                const ball = world.createEntity({
                    mesh: 'mesh/光球.vb',
                    position: entity.position,
                    gravity: false,
                    collides: false,
                    meshScale: [0.005,0.005,0.005],
                    meshColor: [1,0.01,0.01,1],
                })
                ball.addTag('entity');
                ball.update = ITEM[1].explodeUpdate;
            }
        },
        flying: function(){
            this.show.meshOrientation = Quat.rotateX(Math.PI /((world.currentTick - this.bullet.startTick)* 0.2)).rotateY(this.angle);
            if(this.show.position.distance(this.bullet.position) > 0.1){
                this.show.position.copy(this.bullet.position);
            }
            this.show.velocity.copy(this.bullet.velocity);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this && e.position.distance(this.bullet.position) < 5 && !e.hasTag('unhurtable') && isHurtable(this,e) && spread(this.bullet.position,e.position)){
                    e.hurt((world.currentTick - this.bullet.startTick)* 3,{attacker: this,damageType: '熔光业火斩'});
                }
            }
        },
        update: function(){
            const tick = world.currentTick - this.tick;
            if(tick > 15){
                for(const e of world.querySelectorAll`.target`){
                    if(e !== this.shooter && e.position.distance(this.position) < 10 && !e.hasTag('unhurtable') && isHurtable(this.shooter,e) && spread(this.position,e.position)){
                        e.hurt(25,{attacker: this.shooter,damageType: '巨剑焚烧斩'});
                    }
                }
                if(tick > 18){
                    this.destroy();
                }
            }else{
                const up = tick > 11 ?(1 -(tick - 11)* 0.25):(tick * 0.1);
                this.meshOrientation = Quat.rotateX(up).rotateY(this.angle);
                this.position = this.center.add({x: Math.cos(this.angle)* Math.cos(up)* 5,y: Math.sin(up)* 5,z: Math.sin(this.angle)* Math.cos(up)* 5});
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/机甲大刀.vb',
                scale: [0.3,0.3,0.3],
                orientation: Quat.rotateX(Math.PI).rotateZ(Math.PI * 0.9),
                offset: [0,-0.4,0.7],
            }
        ],
    },
    13: {
        name: '烟花',
        type: 3,
        effect: {
            'action0'({entity}){
                if(world.currentTick - entity.lastAttack > 10){
                    entity.lastAttack = world.currentTick;
                    const bullet = world.createEntity({
                        bounds: [0,0,0],
                        gravity: false,
                        position: entity.position,
                        friction: 10,
                        velocity: entity.raycast.direction.scale(3),
                        particleRate: 200,
                        particleColor: ColorList[3],
                        particleLifetime: 2,
                        particleSize: [0.3,0.3,0.3,0.3,0.3],
                    })
                    entity.sound('audio/烟花.mp3');
                    bullet.addTag('bullet');
                    bullet.shooter = entity;
                    bullet.addTag(entity.player.userKey);
                    bullet.onEntityContact(bullet.destroy);
                    bullet.onVoxelContact(bullet.destroy);
                    setTimeout(bullet.destroy,2000);
                    bullet.onDestroy(()=>{
                        for(const e of world.querySelectorAll`.target`){
                            if(e !== entity && e.position.distance(bullet.position) < 7 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(bullet.position,e.position)){
                                e.hurt(e.name === '年兽'? 85:25,{attacker: entity,damageType: '绽放礼祭'});
                            }
                        }
                        bombEffect(bullet.position);
                    })
                }
            },
            'action1'({entity}){
                if(world.currentTick - entity.lastSkill > 100){
                    entity.lastSkill = world.currentTick;
                    particleShoot(entity,entity.raycast.direction);
                }
            },
        },
        style: [
           {
                mesh: 'mesh/烟花.vb',
                bodyPart: Box3BodyPart.RIGHT_HAND,
                scale: [0.15,0.15,0.15],
                offset: [0,-0.1,0.1],
            },
        ],
    },
    14: {
        name: '破碎法杖',
        type: 2,
        effect: {
            'action0'({entity}){
                if(world.currentTick - entity.lastAttack > 30){
                    entity.lastAttack = world.currentTick;
                    //确定攻击目标
                    const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const up = Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2));
                    const targets = [];
                    for(const e of world.querySelectorAll`.target`){
                        const direction = e.position.sub(entity.position);
                        const a = Math.atan2(direction.z,direction.x);
                        const u = Math.atan2(direction.y,Math.sqrt(direction.x ** 2 + direction.z ** 2));
                        if(entity !== e && e.hp && Math.min(Math.abs(angle - a),Math.abs(PI2 - angle + a)) < 0.5 && Math.abs(up - u) < 0.5 && !e.hasTag('unhurtable') && isHurtable(entity,e)){
                            targets.push(e);
                        }
                    }
                    var target = targets.sort((a,b)=>{
                        return entity.position.distance(a.position) - entity.position.distance(b.position);
                    })[0];
                    if(!target){
                        target = entity.position.add(entity.raycast.direction.scale(500));
                    }else{
                        target = target.position;
                    }
                    //发射子弹
                    for(let i=0;i<3;i++){
                        const u = up + Math.random() * 0.7;
                        const a = angle + Math.random() * 0.7 - 0.35;
                        const arrow = world.createEntity({
                            mesh: 'mesh/能量箭前端.vb',
                            position: entity.position,
                            gravity: false,
                            meshScale: [0.03,0.03,0.03],
                            meshOrientation: Quat.rotateX(u).rotateY(a),
                            friction: 10,
                            velocity: new Box3Vector3(Math.cos(a) * Math.cos(u) * 3,Math.sin(u) * 3,Math.sin(a) * Math.cos(u) * 3),
                            particleRate: 10,
                            particleLifetime: 0.5,
                            particleSize: [8,6,4,2,0.5],
                            particleColor: [
                                new Box3RGBColor(10,10,0),
                                new Box3RGBColor(10,0.5,0),
                                new Box3RGBColor(10,0,0),
                                new Box3RGBColor(0.5,0,0),
                                new Box3RGBColor(0,0,0),
                            ],
                        })
                        arrow.addTag('bullet');
                        arrow.addTag('entity');
                        arrow.addTag(entity.player.userKey);
                        arrow.shooter = entity;
                        arrow.target = target;
                        arrow.angle = a;
                        arrow.up = u;
                        arrow.update = ITEM[14].flying;
                        arrow.onVoxelContact(arrow.destroy);
                        arrow.onEntityContact(arrow.destroy);
                        arrow.onDestroy(()=>{
                            for(const e of world.querySelectorAll`.target`){
                                if(e !== entity && e.position.distance(arrow.position) < 5 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(arrow.position,e.position)){
                                    e.hurt(20,{attacker: entity,damageType: '晶体破碎'});
                                    const direction = e.position.sub(arrow.position).add({x: 0,y: 1,z: 0});
                                    e.velocity.addEq(direction.scale(1 / direction.mag() ** 2 / e.mass * 1.75));
                                }
                            }
                            world.sound({
                                sample: 'audio/破碎.mp3',
                                position: arrow.position.position,
                                radius: 320,
                            })
                            const ball = world.createEntity({
                                mesh: 'mesh/光球.vb',
                                position: arrow.position,
                                gravity: false,
                                collides: false,
                                meshScale: [0.005,0.005,0.005],
                                meshColor: [1,0.01,0.01,1],
                            })
                            ball.addTag('entity');
                            ball.update = ITEM[1].explodeUpdate;
                        })
                        setTimeout(arrow.destroy,20000);
                    }
                }
            },
            'action1'({entity}){
                if(entity.spoceEnergy > 20 && (!entity.shields || entity.shields[0].destroyed)){
                    entity.shields = [];
                    for(let i=0;i<11;i++){
                        const y = i * 0.18 - 0.9;
                        const scale = Math.cos(y);
                        const direction = i % 2? 1:-1;
                        const ring = world.createEntity({
                            mesh: 'mesh/雷阵.vb',
                            gravity: false,
                            collides: false,
                            particleRate: 20,
                            particleLifetime: 0.5,
                            particleSize: [8,6,4,2,0.5],
                            particleColor: [
                                new Box3RGBColor(10,10,0),
                                new Box3RGBColor(10,0.5,0),
                                new Box3RGBColor(10,0,0),
                                new Box3RGBColor(0.5,0,0),
                                new Box3RGBColor(0,0,0),
                            ],
                        })
                        ring.y = y;
                        ring.scale = scale;
                        ring.direction = direction;
                        entity.shields.push(ring);
                        const keyframes = [];
                        for(let i=0;i<4;i++){
                            keyframes.push({
                                meshOrientation: Quat.rotateY(i * direction),
                            })
                        }
                        ring.animate(keyframes,{
                            direction: Box3AnimationDirection.WRAP,
                            iterations: Infinity,
                            duration: 496,
                        })
                    }
                    entity.shields[0].state = 1;
                    entity.shields[0].startTick = world.currentTick;
                    entity.shields[0].scale = 1;
                    entity.shields[0].shooter = entity;
                    entity.shields[0].addTag('entity');
                    entity.shields[0].addTag('diearea');
                    entity.shields[0].update = ITEM[14].update;
                    entity.shields[0].shields = entity.shields;
                }
            }
        },
        flying: function(){
            const direction = this.target.sub(this.position);
            const angle = Math.atan2(direction.z,direction.x);
            const up = Math.atan2(direction.y,Math.sqrt(direction.x ** 2 + direction.z ** 2));
            if(Math.abs(this.up - up) < 0.1){
                this.up = up;
            }else if(up > this.up){
                this.up += 0.1;
            }else if(up < this.up){
                this.up -= 0.1;
            }
            this.direction = angle;
            rotate(this);
            this.meshOrientation = Quat.rotateX(this.up).rotateY(this.angle);
            this.velocity.set(Math.cos(this.angle) * Math.cos(this.up) * 3,Math.sin(this.up) * 3,Math.sin(this.angle) * Math.cos(this.up) * 3);
        },
        update: function(){
            const current = world.currentTick - this.startTick;
            this.shooter.spoceEnergy--;
            if(this.shooter.spoceEnergy < 0){
                this.shooter.spoceEnergy = 0;
            }
            if(this.shooter.player.action1Button && this.shooter.spoceEnergy > 10){
                this.state++;
            }else{
                this.state--;
            }
            if(this.state === 0){
                for(const e of this.shields){
                    e.destroy();
                }
                return;
            }
            if(this.state > 10){
                this.state = 10;
            }
            this.scale = 2 * this.state;
            const target = this.shooter.watcher? this.shooter:this.shooter.player.cameraEntity;
            for(const e of this.shields){
                if(target){
                    e.velocity.x = target.velocity.x * 0.2;
                    e.velocity.y = target.velocity.y * 0.1;
                    e.velocity.z = target.velocity.z * 0.2;
                    e.position = target.position.add({x: 0,y: e.y * this.scale,z: 0});
                }
                e.meshScale.x = this.scale / 120.5 * e.scale;
                e.meshScale.z = this.scale / 120.5 * e.scale;
                e.meshOrientation = Quat.rotateY(current * 0.2 * e.direction);
            }
            if(target){
                for(const e of world.querySelectorAll`.bullet`.concat(world.querySelectorAll`.enemybullet`)){
                    if(e.position.distance(target.position) < this.scale && e.shooter && e.shooter !== this.shooter && isHurtable(this.shooter,e.shooter)){
                        e.destroy();
                    }
                }
            }
        },
        style: [
           {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/碎片法杖.vb',
                scale: [0.4,0.4,0.4],
                offset: [0,-0.2,0.3],
                orientation: Quat.rotateY(Math.PI).rotateZ(-0.2),
            }
        ],
    },
    15: {
        name: '水神之弓',
        type: 0,
        effect: {
            'action0'({entity}){
                if(world.currentTick - entity.lastAttack > 20){
                    entity.lastAttack = world.currentTick;
                    const d = entity.raycast.direction;
                    entity.sound('audio/小水流.mp3');
                    const arrow = world.createEntity({
                        mesh: 'mesh/arrow.vb',
                        meshScale: [0.01,0.01,0.01],
                        meshOrientation: Quat.rotateY(Math.PI * 0.5).rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x)),
                        position: entity.position,
                        velocity: d.scale(5),
                        friction: 10,
                    })
                    const particle = world.createEntity({
                        position: entity.position,
                        bounds: [0,0,0],
                        collides: false,
                        particleRate: 100,
                        particleLifetime: 2,
                        particleSize: [15,5,1],
                        particleColor: [
                            new Box3RGBColor(0,0,10),
                            new Box3RGBColor(0,0.5,10),
                            new Box3RGBColor(0,10,10),
                            new Box3RGBColor(0.5,10,10),
                            new Box3RGBColor(10,10,10),
                        ],
                        particleNoise: 5,
                        particleNoiseFrequency: 2,
                        velocity: d.scale(5),
                    })
                    arrow.shooter = entity;
                    arrow.addTag('bullet');
                    arrow.addTag('entity');
                    arrow.update = ITEM[15].update;
                    arrow.addTag(entity.player.userKey);
                    arrow.onEntityContact(arrow.destroy);
                    arrow.onVoxelContact(arrow.destroy);
                    setTimeout(arrow.destroy,20000);
                    arrow.onDestroy(()=>{
                        particle.destroy();
                        for(const e of world.querySelectorAll`.target`){
                            if(e !== entity && e.position.distance(arrow.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(arrow.position,e.position)){
                                e.hurt(15,{attacker: entity,damageType: '水穹箭雨'});
                            }
                        }
                    })
                }
            },
            'action1'({entity}){
                if(world.currentTick - entity.lastSkill > 40){
                    entity.lastSkill = world.currentTick;
                    const d = entity.raycast.direction.scale(2);
                    entity.sound('audio/大水流.mp3');
                    for(let i=0;i<2;i++){
                        const sword = world.createEntity({
                            mesh: 'mesh/水刃.vb',
                            position: entity.position,
                            meshScale: [0.03,0.03,0.03],
                            gravity: false,
                            collides: false,
                            velocity: d,
                            meshOrientation: Quat.rotateY(Math.PI * 0.5).rotateZ((i? 0.25:-0.25) * Math.PI).rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x)),
                            particleRate: 20,
                            particleLifetime: 2,
                            particleSize: [15,5,1],
                            particleColor: [
                                new Box3RGBColor(0,0,10),
                                new Box3RGBColor(0,0.5,10),
                                new Box3RGBColor(0,10,10),
                                new Box3RGBColor(0.5,10,10),
                                new Box3RGBColor(10,10,10),
                            ],
                            particleNoise: 5,
                            particleNoiseFrequency: 2,
                        })
                        sword.addTag('bullet');
                        sword.addTag('entity');
                        sword.shooter = entity;
                        sword.direction = d;
                        sword.update = ITEM[15].flying;
                        setTimeout(sword.destroy,20000);
                    }
                }
            }
        },
        flying: function(){
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && e.position.distance(this.position) < 10 && !e.hasTag('unhurtable') && isHurtable(this.shooter,e) && spread(this.position,e.position)){
                    e.hurt(2.5,{attacker: this.shooter,damageType: '深海怒浪'});
                }
            }
            this.velocity.copy(this.direction);
            if(voxels.getVoxel(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        update: function(){
            if(!this.voxelContacts.length){
                const d = this.velocity;
                this.meshOrientation = Quat.rotateY(Math.PI * 0.5).rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x));
                for(const e of world.querySelectorAll`.target`){
                    if(e !== this.shooter && e.position.distance(this.position) < 5 && !e.hasTag('unhurtable') && isHurtable(this.shooter,e) && spread(this.position,e.position)){
                        e.hurt(5,{attacker: this.shooter,damageType: '星水落箭'});
                    }
                }
            }else{
                this.destroy();
            }
        },
        style: [
            {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/水弓.vb',
                scale: [0.2,0.2,0.2],
                offset: [0,0,0],
                orientation: Quat.rotateY(-Math.PI * 0.5).rotateZ(Math.PI * 0.75),
            }
        ],
    },
    16: {
        name: '雷能双刃',
        type: 3,
        effect: {
            'action0'({entity}){
                if(world.currentTick - entity.lastAttack > 70){
                    entity.lastAttack = world.currentTick;
                    const d = entity.raycast.direction.scale(2);
                    for(let i=0;i<2;i++){
                        const sword = world.createEntity({
                            mesh: 'mesh/雷刃.vb',
                            position: entity.position,
                            meshScale: [0.03,0.03,0.03],
                            gravity: false,
                            collides: false,
                            velocity: d,
                            meshOrientation: Quat.rotateY(Math.PI * 0.5).rotateZ((i? 0.25:-0.25) * Math.PI).rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x)),
                            particleRate: 20,
                            particleLifetime: 2,
                            particleSize: [15,5,1],
                            particleColor: [
                                new Box3RGBColor(0.033,1,10),
                                new Box3RGBColor(10,0.025,10),
                                new Box3RGBColor(0.05,1,10),
                                new Box3RGBColor(10,0.5,10),
                                new Box3RGBColor(0.2,1,10)
                            ],
                            particleNoise: 5,
                            particleNoiseFrequency: 2,
                        })
                        sword.addTag('bullet');
                        sword.addTag('entity');
                        sword.shooter = entity;
                        sword.direction = d;
                        sword.update = ITEM[16].flying;
                        setTimeout(sword.destroy,20000);
                    }
                }
            },
            'action1'({entity}){
                if(world.currentTick - entity.lastSkill > 120){
                    entity.player.invisible = true;
                    entity.player.showName = false;
                    entity.lastSkill = Infinity;
                    entity.lastAttack = Infinity;
                    entity.enableDamage = false;
                    entity.isHurtable = false;
                    initParticle(entity);
                    Object.assign(entity,{
                        particleRate: 5,
                        particleLifetime: 2,
                        particleSize: [15,5,1],
                        particleColor: [
                            new Box3RGBColor(0.033,1,10),
                            new Box3RGBColor(10,0.025,10),
                            new Box3RGBColor(0.05,1,10),
                            new Box3RGBColor(10,0.5,10),
                            new Box3RGBColor(0.2,1,10)
                        ],
                        particleNoise: 5,
                        particleNoiseFrequency: 5,
                    })
                    const time = world.currentTick;
                    let attacked = false;
                    const event = entity.player.onPress(({button})=>{
                        if(world.currentTick - time > 2){
                            if(attacked){
                                event.cancel();
                                return;
                            }
                            if(button === Box3ButtonType.ACTION1){
                                attacked = true;
                                ITEM[16].show(entity);
                                event.cancel();
                            }
                        }
                    })
                    setTimeout(()=>{
                        if(!attacked){
                            attacked = true;
                            ITEM[16].show(entity);
                            event.cancel();
                        }
                    },7500);
                }
            }
        },
        show: async function(entity){
            entity.player.invisible = false;
            entity.player.showName = true;
            entity.lastSkill = world.currentTick;
            entity.lastAttack = world.currentTick - 70;
            entity.enableDamage = true;
            entity.isHurtable = true;
            entity.addTag('entity');
            const angle = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
            const direction = new Box3Vector3(Math.cos(angle),0,Math.sin(angle));
            Object.assign(entity,{
                particleRate: 100,
                particleLifetime: 1,
                particleSize: [15,5,1],
                particleColor: [
                    new Box3RGBColor(0.033,1,10),
                    new Box3RGBColor(10,0.025,10),
                    new Box3RGBColor(0.05,1,10),
                    new Box3RGBColor(10,0.5,10),
                    new Box3RGBColor(0.2,1,10),
                ],
            })
            entity.update = ITEM[16].update;
            entity.velocity.x = direction.x * 8;
            entity.velocity.z = direction.z * 8;
            await sleep(800);
            entity.particleRate = 0;
        },
        flying: function(){
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && e.position.distance(this.position) < 10 && !e.hasTag('unhurtable') && isHurtable(this.shooter,e) && spread(this.position,e.position)){
                    e.hurt(4,{attacker: this.shooter,damageType: '降雷神罚'});
                }
            }
            this.velocity.copy(this.direction);
            if(voxels.getVoxel(this.position.x,this.position.y,this.position.z)){
                this.destroy();
            }
        },
        update: function(){
            if(world.currentTick - this.lastSkill > 6){
                this.removeTag('entity');
            }
            for(const e of world.querySelectorAll`.target`){
                if(e !== this && e.position.distance(this.position) < 6 && !e.hasTag('unhurtable') && isHurtable(this,e) && spread(this.position,e.position)){
                    e.hurt(30,{attacker: this,damageType: '雷影突刺'});
                    e.velocity.addEq(this.velocity.scale(1.75 / e.mass));
                }
            }
        },
        style: [
            {
                bodyPart: Box3BodyPart.LEFT_HAND,
                mesh: 'mesh/雷光之审判.vb',
                scale: [0.2,0.2,0.2],
                offset: [0,-0.25,0.6],
                orientation: Quat.rotateY(Math.PI * 0.5).rotateZ(-0.2),
            },
            {
                bodyPart: Box3BodyPart.RIGHT_HAND,
                mesh: 'mesh/雷光之审判.vb',
                scale: [0.2,0.2,0.2],
                offset: [0,-0.25,0.6],
                orientation: Quat.rotateY(Math.PI * 0.5).rotateZ(-0.2),
            }
        ],
    },
    17: {
        name: '天空机甲',
        type: 3,
        effect: {
            'action0'({entity}){
                if(entity.player.crouchButton){
                    if(world.currentTick - entity.lastSkill < 150)return;
                    entity.lastSkill = world.currentTick;
                    const a = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const u = Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2));
                    const d = entity.raycast.direction.clone();
                    const bullet = world.createEntity({
                        mesh: 'mesh/导弹.vb',
                        position: entity.position,
                        meshScale: [0.03,0.03,0.03],
                        meshOrientation: Quat.rotateX(u).rotateY(a),
                        velocity: d.scale(4),
                        friction: 10,
                        particleRate: 20,
                        particleLifetime: 0.75,
                        particleSize: [2,0.65,0.23],
                        particleColor: [
                            new Box3RGBColor(10,10,10),
                            new Box3RGBColor(0.5,0.5,0.5),
                            new Box3RGBColor(0.2,0.2,0.2),
                        ],
                    })
                    bullet.addTag(entity.player.userKey);
                    bullet.addTag('bullet');
                    bullet.addTag('entity');
                    bullet.shooter = entity;
                    bullet.update = ITEM[17].falling;
                    bullet.onVoxelContact(bullet.destroy);
                    bullet.onEntityContact(bullet.destroy);
                    setTimeout(bullet.destroy,20000);
                    bullet.onDestroy(()=>{
                        world.sound({
                            sample: 'audio/explode.mp3',
                            position: bullet.position,
                            radius: 320,
                        })
                        for(const e of world.querySelectorAll`.target`){
                            if(e !== entity && e.position.distance(bullet.position) < 15 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(bullet.position,e.position)){
                                var damage = 45;
                                if(e.isPlayer){
                                    if(e.hasTag('flying')){
                                        damage = 30;
                                    }
                                }else{
                                    switch(e.name){
                                        case '灭世飞船':
                                            damage = 30;
                                            break;
                                        case '冷光人偶':
                                            damage = 30;
                                            break;
                                        default:
                                            damage = 45;
                                            break;
                                    }
                                }
                                e.hurt(damage,{attacker: entity,damageType: '机甲陨灭炮'});
                                const direction = e.position.sub(bullet.position).add({x: 0,y: 1,z: 0});
                                e.velocity.addEq(direction.scale(5 / direction.mag()** 2 / e.mass * 1.75));
                            }
                        }
                        const ball = world.createEntity({
                            mesh: 'mesh/光球.vb',
                            position: bullet.position,
                            gravity: false,
                            collides: false,
                            meshScale: [0.005,0.005,0.005],
                            meshColor: [1,1,1,1],
                        })
                        ball.addTag('entity');
                        ball.update = ITEM[1].explodeUpdate;
                    })
                }else{
                    if(world.currentTick - entity.lastAttack < 15)return;
                    entity.lastAttack = world.currentTick;
                    const a = Math.atan2(entity.raycast.direction.z,entity.raycast.direction.x);
                    const u = Math.atan2(entity.raycast.direction.y,Math.sqrt(entity.raycast.direction.x ** 2 + entity.raycast.direction.z ** 2));
                    const d = entity.raycast.direction.clone();
                    const p = [
                        entity.position.sub({x: Math.cos(a + Math.PI * 0.5) * 0.5,y: 0,z: Math.sin(a + Math.PI * 0.5) * 0.5}),
                        entity.position.sub({x: Math.cos(a - Math.PI * 0.5) * 0.5,y: 0,z: Math.sin(a - Math.PI * 0.5) * 0.5}),
                    ]
                    for(const position of p){
                        const bullet = world.createEntity({
                            mesh: 'mesh/蓝色激光.vb',
                            position,
                            meshScale: [0.03,0.03,0.03],
                            meshOrientation: Quat.rotateX(u).rotateY(a),
                            velocity: d.scale(5),
                            gravity: false,
                            friction: 10,
                            particleRate: 20,
                            particleLifetime: 2,
                            particleSize: [2,0.65,0.23],
                            particleColor: [
                                new Box3RGBColor(0,0,10),
                                new Box3RGBColor(0,10,10),
                                new Box3RGBColor(10,10,10),
                            ],
                        })
                        bullet.vel = d.scale(5);
                        bullet.addTag(entity.player.userKey);
                        bullet.addTag('bullet');
                        bullet.addTag('entity');
                        bullet.shooter = entity;
                        bullet.update = ITEM[17].update;
                        bullet.onVoxelContact(bullet.destroy);
                        bullet.onEntityContact(bullet.destroy);
                        setTimeout(bullet.destroy,20000);
                        bullet.onDestroy(()=>{
                            for(const e of world.querySelectorAll`.target`){
                                if(e !== entity && e.position.distance(bullet.position) < 10 && !e.hasTag('unhurtable') && isHurtable(entity,e) && spread(bullet.position,e.position)){
                                    var damage = 5;
                                    if(e.isPlayer){
                                        if(e.hasTag('flying')){
                                            damage = 20;
                                        }
                                    }else{
                                        switch(e.name){
                                            case '灭世飞船':
                                                damage = 20;
                                                break;
                                            case '冷光人偶':
                                                damage = 20;
                                                break;
                                            default:
                                                damage = 5;
                                                break;
                                        }
                                    }
                                    e.hurt(damage,{attacker: entity,damageType: '机甲天基炮'});
                                }
                            }
                            const ball = world.createEntity({
                                mesh: 'mesh/光球.vb',
                                position: bullet.position,
                                gravity: false,
                                collides: false,
                                meshScale: [0.005,0.005,0.005],
                                meshColor: [0.01,0.01,1,1],
                            })
                            ball.addTag('entity');
                            ball.update = ITEM[1].explodeUpdate;
                        })
                    }
                }
            },
            'action1'({entity}){
                initParticle(entity);
                Object.assign(entity,{
                    particleLifetime: 0.5,
                    particleSize: [3,1,0.2,0,0],
                    particleVelocity: [0,-10,0],
                    particleColor: [
                        new Box3RGBColor(10,10,0),
                        new Box3RGBColor(10,0.5,0),
                        new Box3RGBColor(10,0,0),
                        new Box3RGBColor(0.5,0,0),
                        new Box3RGBColor(0,0,0),
                    ],
                })
            }
        },
        update: function(){
            this.velocity.copy(this.vel);
            for(const e of world.querySelectorAll`.target`){
                if(e !== this.shooter && e.position.distance(this.position) < 5 && !e.hasTag('unhurtable') && isHurtable(this.shooter,e) && spread(this.position,e.position)){
                    var damage = 2;
                    if(e.isPlayer){
                        if(e.hasTag('flying')){
                            damage = 5;
                        }
                    }else{
                        switch(e.name){
                            case '灭世飞船':
                                damage = 5;
                                break;
                            case '冷光人偶':
                                damage = 5;
                                break;
                            default:
                                damage = 2;
                                break;
                        }
                    }
                    e.hurt(damage,{attacker: this.shooter,damageType: '机甲镭射弹'});
                }
            }
        },
        falling: function(){
            if(!this.voxelContacts.length){
                const d = this.velocity;
                this.meshOrientation = Quat.rotateX(Math.atan2(d.y,Math.sqrt(d.x ** 2 + d.z ** 2))).rotateY(Math.atan2(d.z,d.x));
            }
        },
        style: [
            {
                bodyPart: Box3BodyPart.TORSO,
                mesh: 'mesh/天空机甲身体.vb',
                scale: [0.4,0.4,0.4],
                offset: [0,0.1,-0.2],
            },
            {
                bodyPart: Box3BodyPart.TORSO,
                mesh: 'mesh/天空机甲炮管.vb',
                scale: [0.4,0.4,0.4],
                offset: [0.5,0.2,0.2],
                orientation: Quat.rotateY(Math.PI - 0.2),
            },
            {
                bodyPart: Box3BodyPart.TORSO,
                mesh: 'mesh/天空机甲炮管.vb',
                scale: [0.4,0.4,0.4],
                offset: [-0.5,0.2,0.2],
                orientation: Quat.rotateY(Math.PI + 0.2),
            },
        ],
    },
}
function initParticle(entity){
    Object.assign(entity,{
        particleRate: 0,
        particleLimit: 100,
        particleLifetime: 10,
        particleLifetimeSpread: 0,
        particleSize: [1,1,1,1,1],
        particleSizeSpread: 0,
        particleColor: [new Box3RGBColor(1,1,1),new Box3RGBColor(1,1,1),new Box3RGBColor(1,1,1),new Box3RGBColor(1,1,1),new Box3RGBColor(1,1,1)],
        particleVelocity: new Box3Vector3(0,0,0),
        particleVelocitySpread: new Box3Vector3(0,0,0),
        particleDamping: 0,
        particleAcceleration: new Box3Vector3(0,0,0),
        particleNoise: 0,
        particleNoiseFrequency: 1,
    })
}
function bombEffect(position,time = 100,power = 10){
    const entity = world.createEntity({
        mesh: 'mesh/单元方块.vb',
        bounds: [0,0,0],
        position,
        collides: false,
        gravity: false,
        fixed: true,
        meshScale: [0.0625,0.0625,0.0625],
        meshColor: [0,0,0,0],
    })
    Object.assign(entity,{
        particleRate: 1000,
        particleColor: [
            [10,2,2],
            [10,2,2],
            [10,2,2],
            [10,2,2],
            [10,2,2],
        ],
        particleSize: [5,4.5,4,3.5,3],
        particleLifetime: 2,
        particleVelocity: [0,5,0],
        particleAcceleration: [0,-5,0],
        particleVelocitySpread: [power,power,power],
    })
    setTimeout(entity.destroy,time);
}
function particleSpread(entity,colorList,scale = 1,direction){
    entity.particleRate = 200;
    entity.particleLifetime = 2;
    entity.particleColor = colorList;
    entity.particleSize = [15 * scale,10 * scale,5 * scale,2 * scale,scale];
    entity.particleSizeSpread = 2 * scale;
    entity.particleVelocitySpread = [20 * scale,20 * scale,20 * scale];
    entity.particleAcceleration = [direction.x * 10,direction.y * 10,direction.z * 10];
}
const YELLOW = new Box3RGBColor(10,10,2);
const CYAN = new Box3RGBColor(2,10,10);
const MAGENTA = new Box3RGBColor(10,2,10);
const RED = new Box3RGBColor(10,2,2);
const GREEN = new Box3RGBColor(2,10,2);
const BLUE = new Box3RGBColor(2,2,10);
const ColorList = [
    [YELLOW,YELLOW,YELLOW,YELLOW,YELLOW],
    [CYAN,CYAN,CYAN,CYAN,CYAN],
    [MAGENTA,MAGENTA,MAGENTA,MAGENTA,MAGENTA],
    [RED,RED,RED,RED,RED],
    [GREEN,GREEN,GREEN,GREEN,GREEN],
    [BLUE,BLUE,BLUE,BLUE,BLUE],
]
function randomColor(){
    return ColorList[Math.floor(ColorList.length * Math.random())];
}
function particleShoot(entity,velocity){
    const fireball = world.createEntity({
        bounds: [0,0,0],
        gravity: false,
        position: entity.position,
        friction: 10,
    })
    entity.sound('audio/烟花.mp3');
    fireball.addTag('bullet');
    fireball.addTag(entity.player.userKey);
    fireball.shooter = entity;
    const color = randomColor();
    particleSpread(fireball,color,0.3,velocity.scale(-1));
    fireball.velocity.copy(velocity.scale(2));
    fireball.onVoxelContact(()=>{
        explode(fireball,color,velocity);
    })
    fireball.onEntityContact(()=>{
        explode(fireball,color,velocity);
    })
    setTimeout(()=>{
        explode(fireball,color,velocity);
    },2000);
}
async function explode(fireball,color,velocity){
    if(fireball.exploded)return;
    fireball.exploded = true;
    fireball.velocity.set(0,0,0);
    fireball.sound('audio/烟花_2.mp3');
    particleSpread(fireball,color,1,velocity.scale(-1));
    for(const e of world.querySelectorAll`.target`){
        if(e !== fireball.shooter && e.position.distance(fireball.position) < 15 && !e.hasTag('unhurtable') && isHurtable(fireball.shooter,e) && spread(fireball.position,e.position)){
            e.hurt(e.name === '年兽'? 350:50,{attacker: fireball.shooter,damageType: '新年大礼炮'});
        }
    }
    await sleep(1500);
    fireball.destroy();
}
function getBounds(entity){
    return new Box3Bounds3(entity.position.sub(entity.bounds),entity.position.add(entity.bounds));
}
function getBigBounds(entity){
    return new Box3Bounds3(entity.position.sub(entity.bounds.scale(3)),entity.position.add(entity.bounds.scale(3)));
}
function spread(a,b){
    return !world.raycast(a,b.sub(a),{
        ignoreEntities: true,
        maxDistance: a.distance(b),
    }).hit;
}
function rotate(entity,speed = 0.1){
    let angle1 = entity.direction;
    if(angle1 < 0){
        angle1 = PI2 + angle1;
    }
    if(entity.angle < 0){
        entity.angle = PI2 + entity.angle;
    }
    entity.angle %= PI2;
    const angle2 = entity.angle;
    if(Math.min(Math.abs(angle1 - angle2),Math.abs(PI2 - angle1 + angle2)) < speed){
        entity.angle = entity.direction;
        return;
    }else{
        if(angle1 > angle2){
            if(angle1 - angle2 < Math.PI){
                entity.angle += speed;
                return 0;
            }else{
                entity.angle -= speed;
                return 1;
            }
        }else{
            if(angle1 +(PI2 - angle2) < Math.PI){
                entity.angle += speed;
                return 0;
            }else{
                entity.angle -= speed;
                return 1;
            }
        }
    }
}
function getRoom(x){
    for(const a of world.damageBounds){
        if(a.contains(x.position)){
            return a;
        }
    }
}
function isHurtable(a,b){
    const roomA = getRoom(a);
    const roomB = getRoom(b);
    if(roomA && roomA === roomB){
        return true;
    }else{
        if((roomA && roomA !== roomB) || (roomB && roomA !== roomB)){
            return false;
        }else if(world.peace && a.isPlayer && b.isPlayer){
            return false;
        }else if(SingleFighting && (a !== Host || b !== Challenger) && (a !== Challenger || b !== Host)){
            return false;
        }else if((a.position.y < 8) !== (b.position.y < 8)){
            return false;
        }else{
            return true;
        }
    }
}
global.spread = spread;
global.getRoom = getRoom;
global.isHurtable = isHurtable;
module.exports = ITEM;