Class Picker

Takes a camera and a point on its virtual normed projection plane (distance 1) to construct the picker-camera, then renders the pick-texture and returns an unsorted Pick-array with information about the hits of the ray.

Takes a ray plus min and max values for the near and far planes to construct the picker-camera, then renders the pick-texture and returns an unsorted Pick-array with information about the hits of the ray.

Takes the camera of the given viewport and a point the client surface to construct the picker-camera, then renders the pick-texture and returns an unsorted Pick-array with information about the hits of the ray.