旋转

rotate() 函数可以围绕当前原点旋转当前坐标系。

请注意，默认的原点是画布的左上角。为了围绕画布的中心旋转，我们必须首先平移坐标系，然后再围绕新的原点进行旋转。

push() 和 pop() 函数分别用于保存和恢复坐标系。

旋转: Revised by Darren Kessner. Edited and maintained by p5.js Contributors and Processing Foundation. Licensed under CC BY-NC-SA 4.0.

You can find the code history of these examples here: 2023 code, pre-2023 code. You can suggest improvements by contributing to the current website!