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Fix shadow map reverse projections #1

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wickles opened this issue Apr 25, 2017 · 0 comments
Open

Fix shadow map reverse projections #1

wickles opened this issue Apr 25, 2017 · 0 comments
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@wickles
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wickles commented Apr 25, 2017

The shadow maps often get drawn up on the hillsides due to reverse projection.

Approaches:

  1. Choose shadowed surfaces more in more fine-grained manner
  2. Mask with 1D black/white texture (how? environment mapping?)
  3. Stencil buffer shadows instead

Resources:
https://en.wikipedia.org/wiki/Projective_texture_mapping
https://www.nvidia.com/object/Projective_Texture_Mapping.html

TODO: add screenshot
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