@:value(1e-24)staticEPSILON:Float = 1e-24
@:value(Math.PI / 2)staticPI_2:Float = Math.PI / 2
@:value(3 * Math.PI / 4)staticPI_3div4:Float = 3 * Math.PI / 4
@:value(0.3)statickAlpha:Float = 0.3