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https://github.com/photonstorm/phaser
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11 lines
246 B
JavaScript
11 lines
246 B
JavaScript
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/**
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* Brightens the backdrop color to reflect the source color.
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* Painting with black produces no change.
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*/
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var ColorDodge = function (a, b)
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{
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return (b === 255) ? b : Math.min(255, ((a << 8) / (255 - b)));
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};
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module.exports = ColorDodge;
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