本参考资料用于Processing 3.0+。 如果你使用的是前一版本，请在使用软件帮助菜单内的参考资料。. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.
|描述|| Converts a degree measurement to its corresponding value in radians. Radians and degrees are two ways of measuring the same thing. There are 360 degrees in a circle and 2*PI radians in a circle. For example, 90°
= PI/2 = 1.5707964. All trigonometric functions in Processing require their parameters to be specified in radians.
Updated on October 2, 2018 05:02:06pm EDT