phaser/src/renderer/webgl/Utils.js

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592 B
JavaScript

module.exports = {
getTintFromFloats: function (r, g, b, a)
{
var ur = ((r * 255.0)|0) & 0xFF;
var ug = ((g * 255.0)|0) & 0xFF;
var ub = ((b * 255.0)|0) & 0xFF;
var ua = ((a * 255.0)|0) & 0xFF;
return ((ua << 24) | (ub << 16) | (ug << 8) | ur) >>> 0;
},
getTintAppendFloatAlpha: function (rgb, a)
{
var ur = ((rgb >> 16)|0) & 0xff;
var ug = ((rgb >> 8)|0) & 0xff;
var ub = (rgb|0) & 0xff;
var ua = ((a * 255.0)|0) & 0xFF;
return ((ua << 24) | (ub << 16) | (ug << 8) | ur) >>> 0;
}
};