Questions tagged «heuristics»

4
贝塞尔曲线弧长
另请参阅: 关于Math.SE的相同问题 如何找到贝塞尔曲线的弧长?例如,线性贝塞尔曲线的长度为: length = sqrt(pow(x[1] - x[0], 2) + pow(y[1] - y[0], 2)); 但是,二次,三次或n度贝塞尔曲线呢? (我的目标是事先估计采样分辨率,因此,我不必浪费时间检查下一个点是否在触摸上一个点。)
By using our site, you acknowledge that you have read and understand our Cookie Policy and Privacy Policy.
Licensed under cc by-sa 3.0 with attribution required.