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)