ccc prefab

MonsterPrefab.js

var Helpers = require('Helpers');

cc.Class({
    extends: cc.Component,

    properties: {
        spriteList: {
            default: [],
            type: [cc.SpriteFrame]
        }
    },

    // use this for initialization
    onLoad: function () {

        //随机帧数
        var randomIdx = Helpers.getRandomInt(0, this.spriteList.length);
        var sprite = this.getComponent(cc.Sprite);
        sprite.spriteFrame = this.spriteList[randomIdx];
    }

});

Populate.js

cc.Class({
    extends: cc.Component,

    properties: {
        root: {
            default: null,
            type: cc.Node
        },
        prefab: {
            default: null,
            type: cc.Prefab
        },
        canvas: {
            default: null,
            type: cc.Canvas
        },
        numberToSpawn: 0,
        spawnInterval: 0
    },

    // use this for initialization
    onLoad: function () {
        var self = this;
        self.randomRange = cc.p(300, 200);
        self.spawnCount = 0;
        self.schedule(self.addSpawn, self.spawnInterval);
    },

    addSpawn: function () {
        if (this.spawnCount >= this.numberToSpawn) {
            this.clearRepeater();
            return;
        }

        //初始化一个prefab
        var monster = cc.instantiate(this.prefab);
        monster.parent = this.root;
        //this.canvas.node.addChild(monster);
        monster.position = this.getRandomPosition();
        this.spawnCount++;
    },

    //随机一个位置
    getRandomPosition: function() {
        return cc.p(cc.randomMinus1To1() * this.randomRange.x, cc.randomMinus1To1() * this.randomRange.y);
    },

    //清理定时器
    clearRepeater: function() {
        this.unschedule(this.addSpawn);
    },
});