screen = phone.screenscreen.width # Screen width in pixelsscreen.height # Screen height in pixelsscreen.center # Center Pointscreen.contains(p) # Check if point in boundsscreen.clamp(p) # Clamp point to valid range# Coordinate conversionscreen.point_to_normalized(abs_point)screen.point_to_absolute(norm_point)screen.bbox_to_normalized(abs_box)screen.bbox_to_absolute(norm_box)