archipack_wall2.py 文件源码

def rotate(self, idx_from, a):
        """
            apply rotation to all following segs
        """
        self.segs[idx_from].rotate(a)
        ca = cos(a)
        sa = sin(a)
        rM = Matrix([
            [ca, -sa],
            [sa, ca]
            ])
        # rotation center
        p0 = self.segs[idx_from].p0
        for i in range(idx_from + 1, len(self.segs)):
            seg = self.segs[i]
            seg.rotate(a)
            dp = rM * (seg.p0 - p0)
            seg.translate(dp)