cocos2d-html5/test/scheduler/ScheduleUsingSchedulerTest.js

Cocos2d-HTML5 core package

var ScheduleUsingSchedulerTest = cc.Layer.extend({
    _accum:0,
    ctor : function(){
        this._super();

        this._accum = 0;
        var scheduler = cc.Director.getInstance().getScheduler();

        var priority = 0;  // priority 0. default.
        var paused = false; // not paused, queue it now.
        scheduler.scheduleUpdateForTarget(this, priority, paused);

        var interval = 0.25; // every 1/4 of second
        var repeat = cc.REPEAT_FOREVER; // how many repeats. cc.REPEAT_FOREVER means forever
        var delay = 2; // start after 2 seconds;
        paused = false; // not paused. queue it now.
        scheduler.scheduleCallbackForTarget(this, this.onSchedUpdate, interval, repeat, delay, paused);
    },
    // callbacks
    update:function(dt) {
        logTest("update: " + dt);
    },
    onSchedUpdate:function (dt) {
        logTest("onSchedUpdate delta: " + dt);

        this._accum += dt;
        if( this._accum > 3 ) {
            var scheduler = cc.Director.getInstance().getScheduler();
            scheduler.unscheduleAllCallbacksForTarget(this);
        }
        logTest("onSchedUpdate accum: " + this._accum);
    }
});

ScheduleUsingSchedulerTest.create = function(args){
    var layer = new ScheduleUsingSchedulerTest();
    return layer.init() ? layer : null;
};