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<h1 class="page-title">Source: animation/FrameData.js</h1>
<section>
<article>
<pre class="sunlight-highlight-javascript linenums">/**
* @author Richard Davey &lt;rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* FrameData is a container for Frame objects, which are the internal representation of animation data in Phaser.
*
* @class Phaser.FrameData
* @constructor
*/
Phaser.FrameData = function () {
/**
* @property {Array} _frames - Local array of frames.
* @private
*/
this._frames = [];
/**
* @property {Array} _frameNames - Local array of frame names for name to index conversions.
* @private
*/
this._frameNames = [];
};
Phaser.FrameData.prototype = {
/**
* Adds a new Frame to this FrameData collection. Typically called by the Animation.Parser and not directly.
*
* @method Phaser.FrameData#addFrame
* @param {Phaser.Frame} frame - The frame to add to this FrameData set.
* @return {Phaser.Frame} The frame that was just added.
*/
addFrame: function (frame) {
frame.index = this._frames.length;
this._frames.push(frame);
if (frame.name !== '')
{
this._frameNames[frame.name] = frame.index;
}
return frame;
},
/**
* Get a Frame by its numerical index.
*
* @method Phaser.FrameData#getFrame
* @param {number} index - The index of the frame you want to get.
* @return {Phaser.Frame} The frame, if found.
*/
getFrame: function (index) {
if (index > this._frames.length)
{
index = 0;
}
return this._frames[index];
},
/**
* Get a Frame by its frame name.
*
* @method Phaser.FrameData#getFrameByName
* @param {string} name - The name of the frame you want to get.
* @return {Phaser.Frame} The frame, if found.
*/
getFrameByName: function (name) {
if (typeof this._frameNames[name] === 'number')
{
return this._frames[this._frameNames[name]];
}
return null;
},
/**
* Check if there is a Frame with the given name.
*
* @method Phaser.FrameData#checkFrameName
* @param {string} name - The name of the frame you want to check.
* @return {boolean} True if the frame is found, otherwise false.
*/
checkFrameName: function (name) {
if (this._frameNames[name] == null)
{
return false;
}
return true;
},
/**
* Returns a range of frames based on the given start and end frame indexes and returns them in an Array.
*
* @method Phaser.FrameData#getFrameRange
* @param {number} start - The starting frame index.
* @param {number} end - The ending frame index.
* @param {Array} [output] - If given the results will be appended to the end of this array otherwise a new array will be created.
* @return {Array} An array of Frames between the start and end index values, or an empty array if none were found.
*/
getFrameRange: function (start, end, output) {
if (typeof output === "undefined") { output = []; }
for (var i = start; i &lt;= end; i++)
{
output.push(this._frames[i]);
}
return output;
},
/**
* Returns all of the Frames in this FrameData set where the frame index is found in the input array.
* The frames are returned in the output array, or if none is provided in a new Array object.
*
* @method Phaser.FrameData#getFrames
* @param {Array} frames - An Array containing the indexes of the frames to retrieve. If the array is empty then all frames in the FrameData are returned.
* @param {boolean} [useNumericIndex=true] - Are the given frames using numeric indexes (default) or strings? (false)
* @param {Array} [output] - If given the results will be appended to the end of this array otherwise a new array will be created.
* @return {Array} An array of all Frames in this FrameData set matching the given names or IDs.
*/
getFrames: function (frames, useNumericIndex, output) {
if (typeof useNumericIndex === "undefined") { useNumericIndex = true; }
if (typeof output === "undefined") { output = []; }
if (typeof frames === "undefined" || frames.length === 0)
{
// No input array, so we loop through all frames
for (var i = 0; i &lt; this._frames.length; i++)
{
// We only need the indexes
output.push(this._frames[i]);
}
}
else
{
// Input array given, loop through that instead
for (var i = 0, len = frames.length; i &lt; len; i++)
{
// Does the input array contain names or indexes?
if (useNumericIndex)
{
// The actual frame
output.push(this.getFrame(frames[i]));
}
else
{
// The actual frame
output.push(this.getFrameByName(frames[i]));
}
}
}
return output;
},
/**
* Returns all of the Frame indexes in this FrameData set.
* The frames indexes are returned in the output array, or if none is provided in a new Array object.
*
* @method Phaser.FrameData#getFrameIndexes
* @param {Array} frames - An Array containing the indexes of the frames to retrieve. If the array is empty then all frames in the FrameData are returned.
* @param {boolean} [useNumericIndex=true] - Are the given frames using numeric indexes (default) or strings? (false)
* @param {Array} [output] - If given the results will be appended to the end of this array otherwise a new array will be created.
* @return {Array} An array of all Frame indexes matching the given names or IDs.
*/
getFrameIndexes: function (frames, useNumericIndex, output) {
if (typeof useNumericIndex === "undefined") { useNumericIndex = true; }
if (typeof output === "undefined") { output = []; }
if (typeof frames === "undefined" || frames.length === 0)
{
// No frames array, so we loop through all frames
for (var i = 0, len = this._frames.length; i &lt; len; i++)
{
output.push(this._frames[i].index);
}
}
else
{
// Input array given, loop through that instead
for (var i = 0, len = frames.length; i &lt; len; i++)
{
// Does the frames array contain names or indexes?
if (useNumericIndex)
{
output.push(frames[i]);
}
else
{
if (this.getFrameByName(frames[i]))
{
output.push(this.getFrameByName(frames[i]).index);
}
}
}
}
return output;
}
};
Phaser.FrameData.prototype.constructor = Phaser.FrameData;
/**
* @name Phaser.FrameData#total
* @property {number} total - The total number of frames in this FrameData set.
* @readonly
*/
Object.defineProperty(Phaser.FrameData.prototype, "total", {
get: function () {
return this._frames.length;
}
});
</pre>
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