Returns the x position of the left edge of the screen, in absolute stage coordinates.

Format: LeftEdge

Arguments:

Return type: float

Error conditions: none

Notes:

This trigger is equivalent to the expression "CameraPos X - GameWidth / 2".

Example:

trigger1 = Pos X + CameraPos X < LeftEdge
; Triggers if the player is to the left of the left edge of the screen.