Updated camera.lua (#73)

Sorted a issue where it used DISPLAY_WIDTH instead of DISPLAY_HEIGHT for vertical camera shaking

Co-authored-by: Mobjunk <[email protected]>

Author: NighelDenda

orthographic/camera.lua

@@ -436,7 +436,7 @@ function M.update(camera_id, dt)
 				camera.shake.offset.x = (DISPLAY_WIDTH * camera.shake.intensity) * (math.random() - 0.5)
 			end
 			if camera.shake.vertical then
-				camera.shake.offset.y = (DISPLAY_WIDTH * camera.shake.intensity) * (math.random() - 0.5)
+				camera.shake.offset.y = (DISPLAY_HEIGHT * camera.shake.intensity) * (math.random() - 0.5)
 			end
 		end
 	end