curve.py 文件源码

def _ts(self):
        lengths = [c.length for c in self._curves]
        length = sum(lengths)
        out = []
        for i, j in enumerate(accumulate(lengths[:-1])):
            self._curves[i].req_length = lengths[i]
            out.append(j / length)
        self._curves[-1].req_length = max(
            0,
            lengths[-1] - (length - self.req_length),
        )
        out.append(1)
        return out