mirror of
https://github.com/photonstorm/phaser
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30 lines
1 KiB
JavaScript
30 lines
1 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2019 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* Creates a new Pixel Perfect Handler function.
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*
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* Access via `InputPlugin.makePixelPerfect` rather than calling it directly.
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*
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* @function Phaser.Input.CreatePixelPerfectHandler
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* @since 3.10.0
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*
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* @param {Phaser.Textures.TextureManager} textureManager - A reference to the Texture Manager.
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* @param {integer} alphaTolerance - The alpha level that the pixel should be above to be included as a successful interaction.
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*
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* @return {function} The new Pixel Perfect Handler function.
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*/
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var CreatePixelPerfectHandler = function (textureManager, alphaTolerance)
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{
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return function (hitArea, x, y, gameObject)
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{
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var alpha = textureManager.getPixelAlpha(x, y, gameObject.texture.key, gameObject.frame.name);
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return (alpha && alpha >= alphaTolerance);
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};
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};
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module.exports = CreatePixelPerfectHandler;
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