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common: fix broken WindingPlane

This commit is contained in:
Eric Wasylishen 2016-05-19 23:53:14 -06:00
parent 7715310afe
commit 4ea6b2ec00
1 changed files with 2 additions and 2 deletions
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4
common/polylib.c
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@ -72,8 +72,8 @@ WindingPlane(const winding_t * w, vec3_t normal, vec_t *dist)
{ {
vec3_t v1, v2; vec3_t v1, v2;
VectorSubtract(w->p[1], w->p[0], v1); VectorSubtract(w->p[0], w->p[1], v1);
VectorSubtract(w->p[2], w->p[0], v2); VectorSubtract(w->p[2], w->p[1], v2);
CrossProduct(v1, v2, normal); CrossProduct(v1, v2, normal);
VectorNormalize(normal); VectorNormalize(normal);
*dist = DotProduct(w->p[0], normal); *dist = DotProduct(w->p[0], normal);