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Rainfall Splattering Off Rooftop

 
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I've decided to follow the footsteps of others by simulating raindrops splattering off aluminium rooftop in the evening time when the light is just right for you to see the raindrops splattering off the aluminium surface. I uses world coordinates with z axis as the vertical axis, and X ^ Y = z, (or vector x cross vector y equal vector z), with the viewpoint coordinates at either (x,y,z)=(0,10,sqrt(30)) or (10,10,-0.5). I uses java3D for this simulation. My work can be found at
http://www.rainmaker.com
 
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