static public Ray Reflect(Material mat, Vector nextOrgin, Vector dir, Vector nextNormal)
{
Vector pureBounce = Reflect(dir, nextNormal);
//this is a shit way todo this.
//TODO this is a shit way todo this. so make it better
if (mat.reflect < 1.0f)
{
Vector rv = new Vector(Helpers.Rand.RandomBilateral(),
Helpers.Rand.RandomBilateral(),
Helpers.Rand.RandomBilateral()
);
Vector RandomBounce = (nextNormal + rv).Normalize();
nextNormal = RandomBounce.Lerp(pureBounce, mat.reflect).Normalize();
}
else
{
nextNormal = pureBounce;
}
return(new Ray(nextOrgin, nextNormal));
}