public bool IntersectsRay(ref SSRay worldSpaceRay, out float distanceAlongRay)
{
float distanceToSphereOrigin = OpenTKHelper.DistanceToLine(
worldSpaceRay, this.center, out distanceAlongRay);
return(distanceToSphereOrigin <= this.radius);
}
public override bool Intersect(ref SSRay worldSpaceRay, out float distanceAlongRay)
{
// transform the ray into object space
float localDistanceAlongRay;
SSRay localRay = worldSpaceRay.Transformed(this.worldMat.Inverted());
float distanceToSphereOrigin = OpenTKHelper.DistanceToLine(localRay, Vector3.Zero, out localDistanceAlongRay);
distanceAlongRay = localDistanceAlongRay * this.Scale.LengthFast;
bool result = distanceToSphereOrigin <= this.radius;
#if false
Console.WriteLine("_____________________________");
Console.WriteLine("sphere intersect test {0} vs radius {1}", distanceToSphereOrigin, radius);
Console.WriteLine("worldray {0}", worldSpaceRay);
Console.WriteLine("localray {0}", localRay);
Console.WriteLine("objectPos {0}", this.Pos);
if (result)
{
Console.WriteLine(" ----> hit <-----");
Console.WriteLine("----------------------------");
}
else
{
Console.WriteLine(" miss");
Console.WriteLine("----------------------------");
}
#endif
return(result);
}
