private Vector3 GetNormal(CollisionTri tri)
{
Vector3 a = new Vector3(tri.x1, tri.y1, tri.z1);
Vector3 b = new Vector3(tri.x2, tri.y2, tri.z2);
Vector3 c = new Vector3(tri.x3, tri.y3, tri.z3);
return(GetNormal(a, b, c));
}
private static void GetTriangleData(short[] verts)
{
CollisionTri T = new CollisionTri();
T.v1 = ReadVertex(verts[0]);
T.v2 = ReadVertex(verts[1]);
T.v3 = ReadVertex(verts[2]);
vecf32 AB = Subtract(T.v2, T.v1);
vecf32 BC = Subtract(T.v3, T.v2);
T.u_n = Normalise(CrossProduct(AB, BC));
T.d = PlaneDist(T.u_n, T.v1);
}
