fix background

src/Shaders/background.vertex.fx

@@ -65,12 +65,12 @@ void main(void) {
 
 #ifdef MULTIVIEW
 	if (gl_ViewID_OVR == 0u) {
-		gl_Position = viewProjection * finalWorld * vec4(positionUpdated, 1.0);
+		gl_Position = viewProjection * finalWorld * vec4(position, 1.0);
 	} else {
-		gl_Position = viewProjectionR * finalWorld * vec4(positionUpdated, 1.0);
+		gl_Position = viewProjectionR * finalWorld * vec4(position, 1.0);
 	}
 #else
-	gl_Position = viewProjection * finalWorld * vec4(positionUpdated, 1.0);
+	gl_Position = viewProjection * finalWorld * vec4(position, 1.0);
 #endif
 
 	vec4 worldPos = finalWorld * vec4(position, 1.0);