static public CullingResult Cull(ref WorldBoundingSphere bounds, float4 plane)
{
float dist = math.dot(bounds.position, plane.xyz) + plane.w;
if (dist <= -bounds.radius)
{
return(CullingResult.Outside);
}
if (dist >= bounds.radius)
{
return(CullingResult.Inside);
}
return(CullingResult.Intersects);
}
static public CullingResult Cull(ref WorldBoundingSphere bounds, ref Frustum f)
{
CullingResult rall = CullingResult.Inside;
for (int i = 0; i < f.PlanesCount; i++)
{
float4 plane = f.GetPlane(i);
CullingResult r = Cull(ref bounds, plane);
if (r == CullingResult.Outside)
{
return(CullingResult.Outside);
}
if (r == CullingResult.Intersects)
{
rall = CullingResult.Intersects;
}
}
return(rall);
}