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Posted 17 June 2014 - 07:01 AM
Posted 17 June 2014 - 07:42 AM
If the shadow edge is jumping, you should move the shadow casting light in texel-size increments. See the following link, especially chapter Moving the Light in Texel-Sized Increments:
Aether3D Game Engine: https://github.com/bioglaze/aether3d
Posted 17 June 2014 - 10:12 AM
I think they just cast a shadow in a fixed direction at all times, regardless of light positions. I'm not entirely sure, but that's what it seemed like to me.