worldToScreen
Project a 3D world point to 2D screen coordinates.
Return
The 2D screen position
Parameters
point
The 3D world point
viewportWidth
The viewport width in pixels
viewportHeight
The viewport height in pixels
Project a 3D world point to 2D screen coordinates.
The 2D screen position
The 3D world point
The viewport width in pixels
The viewport height in pixels