| from __future__ import annotations |
|
|
| from manim import * |
| from manim.utils.testing.frames_comparison import frames_comparison |
|
|
| __module_test__ = "mobjects" |
|
|
|
|
| @frames_comparison(base_scene=ThreeDScene) |
| def test_PointCloudDot(scene): |
| p = PointCloudDot() |
| scene.add(p) |
|
|
|
|
| @frames_comparison |
| def test_become(scene): |
| s = Rectangle(width=2, height=1, color=RED).shift(UP) |
| d = Dot() |
|
|
| s1 = s.copy().become(d, match_width=True).set_opacity(0.25).set_color(BLUE) |
| s2 = ( |
| s.copy() |
| .become(d, match_height=True, match_center=True) |
| .set_opacity(0.25) |
| .set_color(GREEN) |
| ) |
| s3 = s.copy().become(d, stretch=True).set_opacity(0.25).set_color(PURE_YELLOW) |
|
|
| scene.add(s, d, s1, s2, s3) |
|
|
|
|
| @frames_comparison |
| def test_become_no_color_linking(scene): |
| a = Circle() |
| b = Square() |
| scene.add(a) |
| scene.add(b) |
| b.become(a) |
| b.shift(1 * RIGHT) |
| b.set_stroke(PURE_YELLOW, opacity=1) |
|
|
|
|
| @frames_comparison |
| def test_match_style(scene): |
| square = Square(fill_color=[RED, GREEN], fill_opacity=1) |
| circle = Circle() |
| VGroup(square, circle).arrange() |
| circle.match_style(square) |
| scene.add(square, circle) |
|
|
|
|
| @frames_comparison |
| def test_vmobject_joint_types(scene): |
| angled_line = VMobject(stroke_width=20, color=GREEN).set_points_as_corners( |
| [ |
| np.array([-2, 0, 0]), |
| np.array([0, 0, 0]), |
| np.array([-2, 1, 0]), |
| ] |
| ) |
| lines = VGroup(*[angled_line.copy() for _ in range(len(LineJointType))]) |
| for line, joint_type in zip(lines, LineJointType, strict=True): |
| line.joint_type = joint_type |
|
|
| lines.arrange(RIGHT, buff=1) |
| scene.add(lines) |
|
|
|
|
| @frames_comparison |
| def test_vmobject_cap_styles(scene): |
| arcs = VGroup( |
| *[ |
| Arc( |
| radius=1, |
| start_angle=0, |
| angle=TAU / 4, |
| stroke_width=20, |
| color=GREEN, |
| cap_style=cap_style, |
| ) |
| for cap_style in CapStyleType |
| ] |
| ) |
| arcs.arrange(RIGHT, buff=1) |
| scene.add(arcs) |
|
|
