Perlin Noise Terrain Raycasting on the GPU Outdoor-[2]

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Uploaded by on Nov 26, 2009

Demo at http://voxels.blogspot.com/ .New test for raycasting perlin noise. The source data is only 128^3 voxels. Normal vectors are computed on the fly. The demo runs at about 30-60 frames/sec on a GTX260 graphics card, 1024x768.

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Science & Technology

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Uploader Comments (sv3nni)

  • Nice!

    How do you find the intersection?

    And how do you step along the ray.

  • @mrrgu i might soon publish a paper about it

  • Great work! how do you calculate your normals?

  • @chucktrier : you need to sample a couple of texels to compute the gradient

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  • Cool and thanks, my next project involves writing a new voxel engine so your work is of great inspiration.

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