def test_find_parameter_t_diagonal(self):
curve = BezierCurve(start_point=np.array([0, 0]),
control_point=np.array([50, 50]),
end_point=np.array([100, 100]))
for t in [0.2, 0.4, 0.6, 0.8]:
self.assertAlmostEqual(
curve.find_parameter_t(t * np.sqrt(2) * 100), t, 3)
def test_find_parameter_t_integration(self):
curve = BezierCurve(start_point=np.array([10, 30]),
end_point=np.array([40, 60]),
control_point=np.array([100, 20]))
for t in [0.2, 0.4, 0.6, 0.8]:
start_t = 0.1
end_t = 0.1 + t
self.assertAlmostEqual(curve.find_parameter_t(
curve.estimate_curve_length(start_t=start_t, end_t=end_t),
start_t=start_t),
end_t,
places=3)