Created
October 10, 2013 19:15
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Calculate Position
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| function calcBgPosition(index, nRows, nCols, nFrames, width, height) { | |
| var i = index % nFrames; | |
| var x = 0, | |
| y = 0; | |
| x = (i % nCols) * width * -1; | |
| y = Math.floor(i / (nCols)) * height * -1; | |
| return x + 'px ' + y + 'px'; | |
| } |
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