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49 lines
2.1 KiB
ReStructuredText
49 lines
2.1 KiB
ReStructuredText
Annotations
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=================================
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.. manim:: BraceAnnotation
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:save_last_frame:
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class BraceAnnotation(Scene):
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def construct(self):
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dot = Dot([0, 0, 0])
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dot2 = Dot([2, 1, 0])
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line = Line(dot.get_center(), dot2.get_center()).set_color(ORANGE)
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b1 = Brace(line)
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b1text = b1.get_text("Distance")
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b2 = Brace(line, direction=line.copy().rotate(PI / 2).get_unit_vector())
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b2text = b2.get_tex("x-x_1")
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self.add(dot, dot2, line, b1, b2, b1text, b2text)
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.. manim:: VectorArrow
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:quality: medium
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:save_last_frame:
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class VectorArrow(Scene):
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def construct(self):
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dot = Dot(ORIGIN)
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arrow = Arrow(ORIGIN, [2, 2, 0], buff=0)
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numberplane = NumberPlane()
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origin_text = Text('(0, 0)').next_to(dot, DOWN)
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tip_text = Text('(2, 2)').next_to(arrow.get_end(), RIGHT)
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self.add(numberplane, dot, arrow, origin_text, tip_text)
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.. manim:: ArrowTipsShowcase
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:quality: medium
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:save_last_frame:
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from manim.mobject.geometry import ArrowTriangleTip, ArrowSquareTip, ArrowSquareFilledTip,\
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ArrowCircleTip, ArrowCircleFilledTip
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class ArrowTipsShowcase(Scene):
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def construct(self):
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a00 = Arrow(start=[-2, 3, 0], end=[2, 3, 0], color=YELLOW)
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a11 = Arrow(start=[-2, 2, 0], end=[2, 2, 0], tip_shape=ArrowTriangleTip)
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a12 = Arrow(start=[-2, 1, 0], end=[2, 1, 0])
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a21 = Arrow(start=[-2, 0, 0], end=[2, 0, 0], tip_shape=ArrowSquareTip)
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a22 = Arrow([-2, -1, 0], [2, -1, 0], tip_shape=ArrowSquareFilledTip)
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a31 = Arrow([-2, -2, 0], [2, -2, 0], tip_shape=ArrowCircleTip)
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a32 = Arrow([-2, -3, 0], [2, -3, 0], tip_shape=ArrowCircleFilledTip)
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b11 = a11.copy().scale(0.5, scale_tips=True).next_to(a11, RIGHT)
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b12 = a12.copy().scale(0.5, scale_tips=True).next_to(a12, RIGHT)
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b21 = a21.copy().scale(0.5, scale_tips=True).next_to(a21, RIGHT)
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self.add(a00, a11, a12, a21, a22, a31, a32, b11, b12, b21)
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