pex-renderer icon indicating copy to clipboard operation
pex-renderer copied to clipboard
verified publisher icon pex-gl

Normal mapping triangle artefacts on curved geometry

Open vorg opened this issue 7 years ago • 1 comments

Our default "perturb normal" algorithm for normal maps is struggling with curved surfaces. screen shot 2018-08-22 at 15 05 38

Providing CPU calculated tangents improves the results immensely screen shot 2018-08-22 at 15 05 42 .

vorg avatar Aug 22 '18 14:08 vorg

Fixable by normalizing TBN vectors https://github.com/glslify/glsl-perturb-normal/pull/3

vorg avatar Aug 22 '18 17:08 vorg