tailX = rx +( rx +TAIL_HEIGHT ) * cos( tailRad ),\r
tailY = ry +( ry +TAIL_HEIGHT ) * sin( tailRad ),\r
startX, startY, endX, endY;\r
tailX = rx +( rx +TAIL_HEIGHT ) * cos( tailRad ),\r
tailY = ry +( ry +TAIL_HEIGHT ) * sin( tailRad ),\r
startX, startY, endX, endY;\r