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Fix incorrect multiplication order of TBN matrix (Bug #3440)

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scrawl 2016-06-16 17:31:17 +02:00
parent 693d3cea4a
commit aa5a643e3b
1 changed files with 2 additions and 2 deletions
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4
files/shaders/parallax.glsl
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@ -1,8 +1,8 @@
#define PARALLAX_SCALE 0.04
#define PARALLAX_BIAS -0.02
vec2 getParallaxOffset(vec3 eyeDir, mat3 tbn, float height)
vec2 getParallaxOffset(vec3 eyeDir, mat3 tbnTranspose, float height)
{
vec3 TSeyeDir = normalize((vec4(normalize(tbn * eyeDir),0)).xyz);
vec3 TSeyeDir = normalize(eyeDir * tbnTranspose);
return TSeyeDir.xy * ( height * PARALLAX_SCALE + PARALLAX_BIAS );
}