Phaserjs3 对象池随机产生炸弹并销毁

效果图

对象池 object pool

scene.js

/// <reference path="../../libs/phaser/phaser.min.js"/>
 
'use strict';
var bootscene = new phaser.class({
    extends: phaser.scene,

    initialize: function bootscene() {

        phaser.scene.call(this, {
            key: 'boot',
            active: true // listening resize event;
        });
   
    },
    init: function () {
        console.log('init bootscene');
        this.particles = {};
    },

    preload: function () {
        this.load.image('sky', 'assets/space.jpg');
        this.load.spritesheet('explode','assets/explode.png',{framewidth:128,frameheight:128})
  },

    create: function () {
        // this.sound.play('hitbomb');
        this.background = this.add.sprite(0, 0, 'sky').setorigin(0, 0);
        this.createexplode();
 
    },
    update:function(){
        // console.log('bootscene update');
    },
    
    createexplode:function(){
        //* single image;
        // this.add.sprite(200,200,'explode',10);
        this.anims.create({
            key: 'explodeanimation',
            frames: this.anims.generateframenumbers('explode', { start: 0, end: 16, first: 0 }),
            framerate: 25,
            repeat: 0
        });
        //* pool group
        this.exploadgroup = this.add.group();
        
        this.time.addevent({
            delay: 2500, //  
            repeat: -1,
            callbackscope: this,
            callback: this.spawnrandomexplode
        });
    },
    spawnrandomexplode:function(){
        let x = phaser.math.between(10, this.sys.game.config.width);
        let y = phaser.math.between(10,this.sys.game.config.height);
       // this.add.sprite(x,y,'explode').setscale(0.7).play('explodeanimation');
        let singleexplode = this.exploadgroup.get(x,y,'explode'); //* get to pool instead of create
        singleexplode.setscale(0.7).play('explodeanimation'); //* play animation;
        singleexplode.setactive(true);
        singleexplode.setvisible(true);

        // explosion lifespan
        this.explosiontimeevent = this.time.addevent({
            delay: 600, // delay 5s 删除 this.bomb;
            repeat: 0,
            callbackscope: this,
            callback:function(){
                this.exploadgroup.killandhide(singleexplode);
              //*  this.explosiontimeevent.remove(false);
            }
        });
            
        
    }, 

});

效果预览地址：http://www.ifiero.com/uploads/phaserjs3/randombombeffect

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