Actionscript:
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var canvas:BitmapData = new BitmapData(400,400,false, 0x000000);
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addChild(new Bitmap(canvas));
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addEventListener(Event.ENTER_FRAME, onLoop);
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function onLoop(evt:Event):void {
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canvas.perlinNoise(200,200, 2, 1, true, false,0, true,
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[new Point(mouseX, mouseY),
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new Point(-mouseX, -mouseY)]);
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}
There area few snippets on the way that involve perlin noise. Starting here with something simple. This creates 2 octave perlin noise and moves each octave based on the mouse location.
Perlin noise was invented by Ken Perlin.
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[...] perlinNoise() [...]