- var drawnPixeldown2 = Util.samplePixel(g.hidden_, x, y - 2).slice(0, 3);
- var drawnPixeldown1 = Util.samplePixel(g.hidden_, x, y - 1).slice(0, 3);
- var drawnPixel = Util.samplePixel(g.hidden_, x, y).slice(0, 3);
- var drawnPixelup1 = Util.samplePixel(g.hidden_, x, y + 1).slice(0, 3);
- var drawnPixelup2 = Util.samplePixel(g.hidden_, x, y + 2).slice(0, 3);
+ var drawnPixeldown2 = sampler.rgbAtPixel(x, y - 2);
+ var drawnPixeldown1 = sampler.rgbAtPixel(x, y - 1);
+ var drawnPixel = sampler.rgbAtPixel(x, y);
+ var drawnPixelup1 = sampler.rgbAtPixel(x, y + 1);
+ var drawnPixelup2 = sampler.rgbAtPixel(x, y + 2);