def test_cubic_cubic(self):
# q1 = Bezier(10,100, 90,30, 40,140, 220,220)
# q2 = Bezier(5,150, 180,20, 80,250, 210,190)
# console.log(q1.intersects(q2))
q1 = CubicBezier(Point(10, 100), Point(90, 30), Point(40, 140),
Point(220, 220))
q2 = CubicBezier(Point(5, 150), Point(180, 20), Point(80, 250),
Point(210, 190))
i = q1.intersections(q2)
# self.assertEqual(len(i),3)
# self.assertAlmostEqual(i[0].point.x,81.7904225873)
# self.assertAlmostEqual(i[0].point.y,109.899396337)
# self.assertAlmostEqual(i[1].point.x,133.186831292)
# self.assertAlmostEqual(i[1].point.y,167.148173322)
# self.assertAlmostEqual(i[2].point.x,179.869157678)
# self.assertAlmostEqual(i[2].point.y,199.661989162)
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
path = BezierPath()
path.closed = False
path.activeRepresentation = SegmentRepresentation(path, [q1])
path.plot(ax)
path.activeRepresentation = SegmentRepresentation(path, [q2])
path.plot(ax)
for n in i:
circle = plt.Circle((n.point.x, n.point.y),
2,
fill=True,
color="red")
ax.add_artist(circle)
def test_cubic_line(self):
q = CubicBezier(Point(100, 240), Point(30, 60), Point(210, 230),
Point(160, 30))
l = Line(Point(25, 260), Point(230, 20))
path = BezierPath()
path.closed = False
path.activeRepresentation = SegmentRepresentation(path, [q])
i = q.intersections(l)
self.assertEqual(len(i), 3)
self.assertEqual(i[0].point, q.pointAtTime(0.117517031451))
self.assertEqual(i[1].point, q.pointAtTime(0.518591792307))
self.assertEqual(i[2].point, q.pointAtTime(0.867886610031))
def test_cubic_cubic(self):
# q1 = Bezier(10,100, 90,30, 40,140, 220,220)
# q2 = Bezier(5,150, 180,20, 80,250, 210,190)
# console.log(q1.intersects(q2))
q1 = CubicBezier(Point(10, 100), Point(90, 30), Point(40, 140),
Point(220, 220))
q2 = CubicBezier(Point(5, 150), Point(180, 20), Point(80, 250),
Point(210, 190))
i = q1.intersections(q2)
self.assertEqual(len(i), 3)
self.assertAlmostEqual(i[0].point.x, 81.7904225873)
self.assertAlmostEqual(i[0].point.y, 109.899396337)
self.assertAlmostEqual(i[1].point.x, 133.186831292)
self.assertAlmostEqual(i[1].point.y, 167.148173322)
self.assertAlmostEqual(i[2].point.x, 179.869157678)
self.assertAlmostEqual(i[2].point.y, 199.661989162)