Parameters
- zoomAmount
- Amount to zoom by.
- x
- X-coordinate for point of zoom target.
- y
- Y-coordinate for point of zoom target.
Zooming the camera means: moving the camera along it's "forward" axis.
This function zooms in by percentage, so the closer you get the the center the less it zooms.
Will invalidate camera's ImGearCADPage, so if viewing in a