public override bool PreciseIntersect(ref SSRay worldSpaceRay, ref float distanceAlongRay)
{
SSRay localRay = worldSpaceRay.Transformed(this.worldMat.Inverted());
SSAbstractMesh mesh = this._mesh;
bool hit = false;
float localNearestContact = float.MaxValue;
if (mesh == null)
{
return(true); // no mesh to test
}
else
{
// precise meshIntersect
bool global_hit = mesh.traverseTriangles((state, V1, V2, V3) => {
float contact;
if (OpenTKHelper.TriangleRayIntersectionTest(V1, V2, V3, localRay.pos, localRay.dir, out contact))
{
hit = true;
localNearestContact = Math.Min(localNearestContact, contact);
Console.WriteLine("Triangle Hit @ {0} : Object {1}", contact, Name);
}
return(false); // don't short circuit
});
if (hit)
{
float worldSpaceContactDistance = -localNearestContact * this.Scale.LengthFast;
Console.WriteLine("Nearest Triangle Hit @ {0} vs Sphere {1} : Object {2}", worldSpaceContactDistance, distanceAlongRay, Name);
distanceAlongRay = worldSpaceContactDistance;
}
return(global_hit || hit);
}
}
