Checks whether the specified object is intersected by a ray going into the screen from the given
2D screen position.
If it is, this function will return the distance from the main camera's near plane to the point on the object where the
intersection occured. The DX11 GET PICK VECTOR X(), DX11 GET PICK VECTOR Y() and DX11 GET PICK VECTOR Z()
functions can be used to get the world space position at which this intersection happened.

Return Float = DX11 PICK OBJECT(object, screenX, screenY)

object

Dword
The object to check whether it lies under the given screen coordinates or not.

screenX

Integer
The (2D) X screen coordinate.

screenY

Integer
The (2D) Y screen coordinate.

The distance from the main (screen) camera's near plane to the point of intersection with the specified object, or 0.0 if there was no intersection.

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