ScheduleUtils.ts

export namespace ScheduleUtils {
    let scheduleWrapper: { new(func: (dt: number) => void): Object };
    let scheduleWrapperId = 0;

    function getSchedulerWrapper(func: (dt: number) => void): Object {
        if ((func as any)._wrapper) return (func as any)._wrapper;
        if (!scheduleWrapper) {
            scheduleWrapper = cc.Class({
                name: "cc.schedulerWrapper",
                ctor: function (func: (dt: number) => void) {
                    (this as any).func = func;
                },
                update: function (dt: number) {
                    (this as any).func(dt);
                }
            }) as typeof scheduleWrapper;
        }
        let wrapper = (func as any)._wrapper = new scheduleWrapper(func);
        (wrapper as any)._id = "avg_schedule_wrapper_" + (scheduleWrapperId++);
        return wrapper;
    }

    export function scheduleUpdate(target: (dt: number) => void) {
        cc.director.getScheduler().scheduleUpdate(getSchedulerWrapper(target), 0, false);
    }

    export function unscheduleUpdate(target: (dt: number) => void) {
        if ((target as any)._wrapper)
            cc.director.getScheduler().unscheduleUpdate((target as any)._wrapper);
    }
}