Fix bug in CrossProduct function in boing example

Closes #1418.
ago%!(EXTRA string=7 years) · 29d8ca4ce4
parent 3d748cf530
commit 29d8ca4ce4
1 changed files with 1 additions and 1 deletions
--- a/examples/boing.c
+++ b/examples/boing.c
@ -165,7 +165,7 @@ void CrossProduct( vertex_t a, vertex_t b, vertex_t c, vertex_t *n )
   v2 = c.y - a.y;
   v3 = c.z - a.z;

-   n->x = u2 * v3 - v2 * v3;
+   n->x = u2 * v3 - v2 * u3;
   n->y = u3 * v1 - v3 * u1;
   n->z = u1 * v2 - v1 * u2;
 }