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Submitted by , posted on 15 January 2005



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Here are some shots of my sky system. The clouds are 100% generated and lighted on the GPU. I use 8 octaves Perlin noise, and the lighting is integrated on the GPU using a ray-tracing technique that I described in details in the upcoming Game Programming Gems 5 book available in March 2005. The clouds are fully dynamic, I can control the speed of deformation, the speed and direction of the wind, the density over the entire sky, etc.

Here’s some other shots and videos, all rendered on a GeForce6800:
  • http://www3.sympatico.ca/deks/CloudsShot01.jpg
  • http://www3.sympatico.ca/deks/CloudsShot02.jpg
  • http://www3.sympatico.ca/deks/TestSky01.avi
  • http://www3.sympatico.ca/deks/TestSky02.avi
  • http://www3.sympatico.ca/deks/TestSky03.avi
  • Thanks!
    Jean-François Dubé



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