def test_to_tweenvector(self):
tween = TweenVector((0, 0, 0))
tween.to((5, 10, 15), 6)
self.assertEqual(len(tween), 6)
expected = [[0, 0, 0], [1, 2, 3], [2, 4, 6], [3, 6, 9], [4, 8, 12],
[5, 10, 15]]
for i, v in enumerate(tween):
self.assertEqual(v, expected[i])
self.assertEqual(i, 5)
def test_ease_tweenvector_length_1(self):
tween = TweenVector((0, 0, 0))
tween.ease((5, 10, 15), 1, test_linear())
self.assertEqual(len(tween), 1)
expected = [[5, 10, 15]]
for i, v in enumerate(tween):
self.assertAlmostEqual(v, expected[i])
self.assertEqual(i, 0)
def test_ease_tweenvector(self):
tween = TweenVector((0, 0, 0))
tween.ease((5, 10, 15), 5, test_linear())
self.assertEqual(len(tween), 5)
expected = [[1, 2, 3], [2, 4, 6], [3, 6, 9], [4, 8, 12], [5, 10, 15]]
for i, v in enumerate(tween):
self.assertAlmostEqual(v, expected[i])
self.assertEqual(i, 4)
def test_set_tweenvector(self):
tween = TweenVector((.1, .2, .3))
tween.wait(3)
tween.set((6, 4, 2), 4)
self.assertEqual(len(tween), 7)
self.assertEqual(tween.get(0), (.1, .2, .3))
self.assertEqual(tween[2], (.1, .2, .3))
self.assertEqual(tween[3], (6, 4, 2))
self.assertEqual(tween.get(6), (6, 4, 2))
expected = [(.1, .2, .3), (.1, .2, .3), (.1, .2, .3), (6, 4, 2),
(6, 4, 2), (6, 4, 2), (6, 4, 2)]
for i, v in enumerate(tween):
self.assertEqual(v, expected[i])
self.assertEqual(i, 6)
def scene1(duration):
position = TweenVector((0, 0)).to((200, 300), t2f(duration))
def draw(ctx, pixel_width, pixel_height, fn, frame_count):
setup(ctx,
pixel_width,
pixel_height,
width=OUTPUTWIDTH,
height=OUTPUTHEIGHT,
background=Color(0.5))
Circle(ctx).of_center_radius(position[fn], 30).fill(Color("red"))
return make_image_frames(draw, WIDTH, HEIGHT, t2f(duration)), duration
def scene2(duration):
position = TweenVector((0, 0)).to((200, 300), t2f(duration))
def draw(ctx, pixel_width, pixel_height, fn, frame_count):
setup(ctx,
pixel_width,
pixel_height,
width=OUTPUTWIDTH,
height=OUTPUTHEIGHT,
background=Color(0.5))
Rectangle(ctx).of_corner_size(position[fn], 50,
50).fill(Color("green"))
return make_image_frames(draw, WIDTH, HEIGHT, t2f(duration)), duration
def test_empty_tweenvector(self):
tween = TweenVector((.1, .2, .3))
self.assertEqual(len(tween), 0)
def test_ease_tweenvector_length_0(self):
tween = TweenVector((0, 0, 0))
tween.ease((5, 10, 15), 0, test_linear())
self.assertEqual(len(tween), 0)
def test_to_tweenvector_length_0(self):
tween = TweenVector((0, 0, 0))
tween.to((5, 10, 15), 0)
self.assertEqual(len(tween), 0)
