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Fix barycentric coordinates calculation #2

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abdelrahman merged 8 commits from debug-barycentric into main 2024-08-26 17:12:45 +00:00
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1 changed files with 2 additions and 2 deletions
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src/model/render.c
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@ -195,7 +195,7 @@ internal TriangleBBox get_triangle_bbox(const Image *img,
internal V3f get_barycentric_coords(V3f a, V3f b, V3f c, V3f p) {
V3f s[2];
for (int i = 2; i--;) {
for (u64 i = 0; i < 2; ++i) {
s[i].x = c.elements[i] - a.elements[i];
s[i].y = b.elements[i] - a.elements[i];
s[i].z = a.elements[i] - p.elements[i];
@ -206,7 +206,7 @@ internal V3f get_barycentric_coords(V3f a, V3f b, V3f c, V3f p) {
return (V3f){-1.0f, 1.0f, 1.0f};
}
return (V3f){1.f - (u.x + u.y) / u.z, u.y / u.z, u.x / u.z};
return (V3f){1.0f - (u.x + u.y) / u.z, u.y / u.z, u.x / u.z};
}
internal V3f get_viewport_vertex(const V3f *vertex, const Image *img) {