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-rw-r--r--intermediate/surface.glsl4
1 files changed, 2 insertions, 2 deletions
diff --git a/intermediate/surface.glsl b/intermediate/surface.glsl
index 7988502..8afc657 100644
--- a/intermediate/surface.glsl
+++ b/intermediate/surface.glsl
@@ -99,8 +99,8 @@ type: vec4
void main() {
vec4 pos = c_mvp.model * vec4(position, 1.0);
vec3 t = normalize((c_mvp.model * vec4(tangent, 0.0)).xyz);
- vec3 b = normalize((c_mvp.model * vec4(normal, 0.0)).xyz);
- vec3 n = normalize((c_mvp.model * vec4(cross(normal, tangent), 0.0)).xyz);
+ vec3 n = normalize((c_mvp.model * vec4(normal, 0.0)).xyz);
+ vec3 b = cross(t, n);
interpolator.normal = n;
interpolator.tbn = mat3(t, b, n);
interpolator.uv = uv;