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Silly mistake in calculating interpolated triangle normal.

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The normal is in the local space of the model and needs to be
transformed to global space for lighting calculations.
This commit is contained in:
Nathan Vegdahl 2017-07-30 23:14:03 -07:00
parent 0481d931b9
commit 58a783b01e
1 changed files with 1 additions and 1 deletions
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2
src/surface/triangle_mesh.rs
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@ -225,7 +225,7 @@ impl<'a> Surface for TriangleMesh<'a> {
let n1 = lerp_slice(n1_slice, wr.time).normalized();
let n2 = lerp_slice(n2_slice, wr.time).normalized();
let s_nor = (n0 * b0) + (n1 * b1) + (n2 * b2);
let s_nor = ((n0 * b0) + (n1 * b1) + (n2 * b2)) * mat_space;
if dot(s_nor, geo_normal) >= 0.0 {
s_nor
} else {