tv_xiaoyouxi/games/symdsb/frameworks/cocos2d-html5/CCActionProgressTimer.js

/****************************************************************************
 Copyright (c) 2008-2010 Ricardo Quesada
 Copyright (c) 2011-2012 cocos2d-x.org
 Copyright (c) 2013-2014 Chukong Technologies Inc.
 Copyright (C) 2010      Lam Pham

 http://www.cocos2d-x.org

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/**
 * Progress to percentage
 * @class
 * @extends cc.ActionInterval
 * @param {Number} duration duration in seconds
 * @param {Number} percent
 * @example
 * var to = new cc.ProgressTo(2, 100);
 */
cc.ProgressTo = cc.ActionInterval.extend(/** @lends cc.ProgressTo# */{
    _to:0,
    _from:0,

	/**
	 * Creates a ProgressTo action with a duration and a percent
	 * Constructor of cc.ProgressTo
     * @param {Number} duration duration in seconds
     * @param {Number} percent
	 */
    ctor: function(duration, percent){
        cc.ActionInterval.prototype.ctor.call(this);
        this._to = 0;
        this._from = 0;

		percent !== undefined && this.initWithDuration(duration, percent);
    },

    /** Initializes with a duration and a percent
     * @param {Number} duration duration in seconds
     * @param {Number} percent
     * @return {Boolean}
     */
    initWithDuration:function (duration, percent) {
        if (cc.ActionInterval.prototype.initWithDuration.call(this, duration)) {
            this._to = percent;
            return true;
        }
        return false;
    },
    /**
     * return a new cc.ProgressTo, all the configuration is the same as the original
     * @returns {cc.ProgressTo}
     */
    clone:function(){
        var action = new cc.ProgressTo();
        action.initWithDuration(this._duration, this._to);
        return action;
    },
    /**
     * reverse hasn't been supported
     * @returns {null}
     */
    reverse: function(){
        cc.log("cc.ProgressTo.reverse(): reverse hasn't been supported.");
        return null;
    },

    /**
     * start with a target
     * @param {cc.Node} target
     */
    startWithTarget:function (target) {
        cc.ActionInterval.prototype.startWithTarget.call(this, target);
        this._from = target.percentage;

        // XXX: Is this correct ?
        // Adding it to support CCRepeat
        if (this._from == 100)
            this._from = 0;
    },

    /**
     * custom update
     * @param {Number} time time in seconds
     */
    update:function (time) {
        if (this.target  instanceof cc.ProgressTimer)
            this.target.percentage = this._from + (this._to - this._from) * time;
    }
});

/**
 * Creates and initializes with a duration and a percent
 * @function
 * @param {Number} duration duration in seconds
 * @param {Number} percent
 * @return {cc.ProgressTo}
 * @example
 * // example
 * var to = cc.progressTo(2, 100);
 */
cc.progressTo = function (duration, percent) {
    return new cc.ProgressTo(duration, percent);
};
/**
 * Please use cc.progressTo instead
 * Creates and initializes with a duration and a percent
 * @static
 * @deprecated since v3.0,please use cc.progressTo instead.
 * @param {Number} duration duration in seconds
 * @param {Number} percent
 * @return {cc.ProgressTo}
 * @example
 * //example
 * var progress = cc.ProgressTo.create(duration,percent);
 */
cc.ProgressTo.create = cc.progressTo;

/**
 * Progress from a percentage to another percentage
 * @class
 * @extends cc.ActionInterval
 * @param {Number} duration duration in seconds
 * @param {Number} fromPercentage
 * @param {Number} toPercentage
 * @example
 *  var fromTo = new cc.ProgressFromTo(2, 100.0, 0.0);
 */
cc.ProgressFromTo = cc.ActionInterval.extend(/** @lends cc.ProgressFromTo# */{
    _to:0,
    _from:0,

	/**
	 * Creates and initializes the action with a duration, a "from" percentage and a "to" percentage
	 * Constructor of cc.ProgressFromTo
     * @param {Number} duration duration in seconds
     * @param {Number} fromPercentage
     * @param {Number} toPercentage
	 */
    ctor:function(duration, fromPercentage, toPercentage){
        cc.ActionInterval.prototype.ctor.call(this);
        this._to = 0;
        this._from = 0;

		toPercentage !== undefined && this.initWithDuration(duration, fromPercentage, toPercentage);
    },

    /** Initializes the action with a duration, a "from" percentage and a "to" percentage
     * @param {Number} duration duration in seconds
     * @param {Number} fromPercentage
     * @param {Number} toPercentage
     * @return {Boolean}
     */
    initWithDuration:function (duration, fromPercentage, toPercentage) {
        if (cc.ActionInterval.prototype.initWithDuration.call(this, duration)) {
            this._to = toPercentage;
            this._from = fromPercentage;
            return true;
        }
        return false;
    },
    /**
     * return a new cc.ProgressTo, all the configuration is the same as the original
     * @returns {cc.ProgressFromTo}
     */
    clone:function(){
        var action = new cc.ProgressFromTo();
        action.initWithDuration(this._duration, this._from, this._to);
        return action;
    },

    /**
     * @return {cc.ActionInterval}
     */
    reverse:function () {
        return cc.progressFromTo(this._duration, this._to, this._from);
    },

    /**
     * start with a target
     * @param {cc.Node} target
     */
    startWithTarget:function (target) {
        cc.ActionInterval.prototype.startWithTarget.call(this, target);
    },

    /**
     * @param {Number} time time in seconds
     */
    update:function (time) {
        if (this.target  instanceof cc.ProgressTimer)
            this.target.percentage = this._from + (this._to - this._from) * time;
    }
});

/** Creates and initializes the action with a duration, a "from" percentage and a "to" percentage
 * @function
 * @param {Number} duration duration in seconds
 * @param {Number} fromPercentage
 * @param {Number} toPercentage
 * @return {cc.ProgressFromTo}
 * @example
 * // example
 *  var fromTo = cc.progressFromTo(2, 100.0, 0.0);
 */
cc.progressFromTo = function (duration, fromPercentage, toPercentage) {
    return new cc.ProgressFromTo(duration, fromPercentage, toPercentage);
};
/**
 * Creates and initializes the action with a duration, a "from" percentage and a "to" percentage
 * @static
 * @deprecated since v3.0,please use cc.ProgressFromTo(duration, fromPercentage, toPercentage) instead.
 * @param {Number} duration duration in seconds
 * @param {Number} fromPercentage
 * @param {Number} toPercentage
 * @return {cc.ProgressFromTo}
 * @example
 * //example
 * var progress = cc.ProgressFromTo.create(duration, fromPercentage, toPercentage);
 */
cc.ProgressFromTo.create = cc.progressFromTo;