rand_moving_stationary_generator.py 文件源码

def test_collinear(pt1, pt2, pt3):
    Ax = pt1[0]
    Ay = pt1[1]
    Bx = pt2[0]
    By = pt2[1]
    Cx = pt3[0]
    Cy = pt3[1]
    return math.isclose(Ax * (By - Cy) + Bx * (Cy - Ay) + Cx * (Ay - By), 0, abs_tol=1e-07)