for (unsigned int j = 0; j < portals.node[i].portal_count; j++) {
for (unsigned int k = 0; k < portals.node[i].portal[j].point_count - 2; k++) {
- vec3_t v1, v2, normal, n;
+ vec3_t v1{}, v2{}, normal{}, n{};
VectorSubtract(portals.node[i].portal[j].point[k + 2].p, portals.node[i].portal[j].point[k + 1].p, v1);
VectorSubtract(portals.node[i].portal[j].point[k].p, portals.node[i].portal[j].point[k + 1].p, v2);
CrossProduct(v1, v2, n);