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Added 'playReverse' method, and extracted part of play method (issue #3837)

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Shukizu 2018-07-22 12:42:59 -03:00
parent ebc9d8d96d
commit bb17c82bf9
1 changed files with 45 additions and 2 deletions
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47
src/gameobjects/components/Animation.js
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@ -496,6 +496,50 @@ var Animation = new Class({
return this.parent;
}
this.forward = true;
return this._startAnimation(key, startFrame);
},
/**
* Plays an Animation (in reverse mode) on the Game Object that owns this Animation Component.
*
* @method Phaser.GameObjects.Components.Animation#playReverse
* @fires Phaser.GameObjects.Components.Animation#onStartEvent
*
* @param {string} key - The string-based key of the animation to play, as defined previously in the Animation Manager.
* @param {boolean} [ignoreIfPlaying=false] - If an animation is already playing then ignore this call.
* @param {integer} [startFrame=0] - Optionally start the animation playing from this frame index.
*
* @return {Phaser.GameObjects.GameObject} The Game Object that owns this Animation Component.
*/
playReverse: function (key, ignoreIfPlaying, startFrame)
{
if (ignoreIfPlaying === undefined) { ignoreIfPlaying = false; }
if (startFrame === undefined) { startFrame = 0; }
if (ignoreIfPlaying && this.isPlaying && this.currentAnim.key === key)
{
return this.parent;
}
this.forward = false;
return this._startAnimation(key, startFrame);
},
/**
* Load an Animation and fires 'onStartEvent' event,
* extracted from 'play' method
*
* @method Phaser.GameObjects.Components.Animation#_startAnimation
* @fires Phaser.GameObjects.Components.Animation#onStartEvent
*
* @param {string} key - The string-based key of the animation to play, as defined previously in the Animation Manager.
* @param {integer} [startFrame=0] - Optionally start the animation playing from this frame index.
*
* @return {Phaser.GameObjects.GameObject} The Game Object that owns this Animation Component.
*/
_startAnimation: function (key, startFrame)
{
this.load(key, startFrame);
var anim = this.currentAnim;
@ -505,8 +549,7 @@ var Animation = new Class({
this.repeatCounter = (this._repeat === -1) ? Number.MAX_VALUE : this._repeat;
anim.getFirstTick(this);
this.forward = true;
this.isPlaying = true;
this.pendingRepeat = false;