archipack_2d.py 文件源码

def __init__(self, c, radius, a0, da):
        """
            a0 and da arguments are in radians
            c Vector 2d center
            radius float radius
            a0 radians start angle
            da radians delta angle from start to end
            a0 = 0   on the right side
            a0 = pi on the left side
            da > 0 CCW contrary-clockwise
            da < 0 CW  clockwise
            stored internally as radians
        """
        Circle.__init__(self, Vector(c).to_2d(), radius)
        self.a0 = a0
        self.da = da