请问下 processing 这行代码是什么意思呀?
line(center.x, center.y,
center.x+(radius+(radius/(640/radius))*pow(sin(rad*10),3))*cos(rad),
center.y+(radius+(radius/(640/radius))*pow(sin(rad*10),3))*sin(rad));
源代码的网址:
https://www.openprocessing.org/sketch/606376最终的结果是一个花朵的形状;但我不知道它是从哪个数学公式来的