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make plane zero if norm is zero after normalization

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This commit is contained in:
Recep Aslantas
2020-01-19 21:48:55 +03:00
parent 65de029acb
commit 406d09e085
1 changed files with 8 additions and 1 deletions
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9
include/cglm/plane.h
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@@ -30,7 +30,14 @@
CGLM_INLINE CGLM_INLINE
void void
glm_plane_normalize(vec4 plane) { glm_plane_normalize(vec4 plane) {
glm_vec4_scale(plane, 1.0f / glm_vec3_norm(plane), plane); float norm;
if ((norm = glm_vec3_norm(plane)) == 0.0f) {
glm_vec4_zero(plane);
return;
}
glm_vec4_scale(plane, 1.0f / norm, plane);
} }
#endif /* cglm_plane_h */ #endif /* cglm_plane_h */