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phaser/v3/merge/textures/Crop.js

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2016-11-07 00:33:53 +00:00
/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2016 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
*
* @class Phaser.TextureCrop
* @constructor
* @param {object} source
* @param {number} scaleMode
*/
Phaser.TextureCrop = function (gameObject, width, height, x, y)
{
var frame = gameObject.frame;
if (width === undefined) { width = frame.data.cut.w; }
if (height === undefined) { height = frame.data.cut.h; }
if (x === undefined) { x = 0; }
if (y === undefined) { y = 0; }
if (width === undefined)
{
// No arguments means reset the crop
frame.cutX = frame.data.cut.x;
frame.cutY = frame.data.cut.y;
frame.cutWidth = frame.data.cut.w;
frame.cutHeight = frame.data.cut.h;
}
else if (width !== frame.cutWidth || height !== frame.cutHeight || x !== frame.cutX || y !== frame.cutY)
{
frame.cutX = Phaser.Math.clamp(x, frame.data.cut.x, frame.data.cut.r);
frame.cutY = Phaser.Math.clamp(y, frame.data.cut.y, frame.data.cut.b);
frame.cutWidth = Phaser.Math.clamp(width, 0, frame.data.cut.w - frame.cutX);
frame.cutHeight = Phaser.Math.clamp(height, 0, frame.data.cut.h - frame.cutY);
}
frame.updateUVs();
gameObject.transform.updateVertexData();
return gameObject;
};