PlayerMousemovementArea Property

The allowed movement area for the mouse pointer. Set movementAreaUnit to determine the data format of this value. This rect is a screen-space rect with 0, 0 at the lower-left corner. If you pass a UnityEngine.Rect in which represents 0, 0 as the upper-left corner, Y will automatically be flipped.

public ScreenRect movementArea { get; set; }