Erlo

Phaserjs3 对象池随机产生炸弹并销毁

时间:2018-11-09 16:32   阅读:17次   来源:博客园页面报错



效果图
效果图

对象池 Object Pool

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(){
        /#zs# 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
        });
        /#zs# 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'); /#zs# get to pool instead of create
        singleExplode.setScale(0.7).play('explodeAnimation'); /#zs# 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);
              /#zs#  this.explosionTimeEvent.remove(false);
            }
        });
            
        
    }, 

});

效果预览地址:http://www.iFIERO.com/uploads/phaserjs3/RandomBombEffect

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