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/development/samples/ApiDemos/src/com/example/android/apis/graphics/
DTouchPaint.java534 double vx = Math.cos(direction) * dispersion; in drawSplat() local
544 temp = vx; in drawSplat()
545 vx = temp * Math.cos(orientation) - vy * Math.sin(orientation); in drawSplat()
553 float px = (float) (vx * pd); in drawSplat()