【Manim CE】常用Mobject
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当前文档版本：v0.16.0.post0
VMobject
继承自Mobject
V的意思是向量化的，vectorized mobject
fill_color=None, fill_opacity=0.0, stroke_color=None, stroke_opacity=1.0, stroke_width=DEFAULT_STROKE_WIDTH, background_stroke_color=BLACK, background_stroke_opacity=1.0, background_stroke_width=0, sheen_factor=0.0, sheen_direction=UL, close_new_points=False, pre_function_handle_to_anchor_scale_factor=0.01, make_smooth_after_applying_functions=False, background_image=None, shade_in_3d=False, tolerance_for_point_equality=1e-6, n_points_per_cubic_curve=4, **kwargs构造参数：
- fill_color 填充颜色
- fill_opacity 填充透明度
- stroke_color 边框颜色
- stroke_opacity 边框颜色透明度
- stroke_width 边框宽度
- 注：DEFAULT_STROKE_WIDTH = 4
- background_stroke_color
- background_stroke_opacity
- background_stroke_width
- sheen_factor 物体的光泽
- sheen_direction 物体光泽的中心
- close_new_points Indicates that it will not be displayed, but that it should count in parent mobject’s path
- ...
几何
Circle 圆
manim.mobject.geometry.arc.Circle
radius: float | None = None, color: Color | str = RED, **kwargs,构造参数：
- radius（float或None）圆的半径，例如 1
- color（str或Color）圆形的颜色，例如 WHITE
- kwargs 附加参数
构造示例：
from manim import *
class CircleExample(Scene):
def construct(self):
circle_1 = Circle(radius=1.0)
circle_2 = Circle(radius=1.5, color=GREEN)
circle_3 = Circle(radius=1.0, color=BLUE_B, fill_opacity=1)
circle_group = Group(circle_1, circle_2, circle_3).arrange(buff=1)
self.add(circle_group)
Dot 点
manim.mobject.geometry.arc.Dot
point: list | np.ndarray = ORIGIN, radius: float = DEFAULT_DOT_RADIUS, stroke_width: float = 0, fill_opacity: float = 1.0, color: Color | str = WHITE,构造参数：
- point（数组）屏幕坐标，例如 [0,0,0]
- radius（float）点的半径，例如 0.05
- stroke_width （float）点的轮廓宽度，例如 0.01
- fill_opacity（float）点内部的颜色，例如 YELLOW
- kwargs 附加参数
构造示例：
from manim import *
class DotExample(Scene):
def construct(self):
dot1 = Dot(point=LEFT, radius=0.08)
dot2 = Dot(point=ORIGIN)
dot3 = Dot(point=RIGHT)
self.add(dot1,dot2,dot3)
Ellipse 椭圆
manim.mobject.geometry.arc.Ellipse
width: float = 2, height: float = 1, **kwargs构造参数：
- width（float）短轴
- height（float）长轴
- kwargs 附加参数
构造示例：
from manim import *
class EllipseExample(Scene):
def construct(self):
ellipse_1 = Ellipse(width=2.0, height=4.0, color=BLUE_B)
ellipse_2 = Ellipse(width=4.0, height=1.0, color=BLUE_D)
ellipse_group = Group(ellipse_1,ellipse_2).arrange(buff=1)
self.add(ellipse_group)
Angle 角
manim.mobject.geometry.line.Angle
line1: Line, line2: Line, radius: float = None, quadrant=(1, 1), other_angle: bool = False, dot=False, dot_radius=None, dot_distance=0.55, dot_color=WHITE, elbow=False, **kwargs,构造参数：
- line1（Line）起始线
- 注：Line可以视为两个点坐标的集合，两点连成的线段。
- line2（Line）终止线
- 注：line1、line2两条线不能平行
- radius（float）原点与角度弧线的距离半径
- quadrant 角度弧线的象限，可传入:(1,1) (1,-1) (-1,1) (-1,-1)
- other_angle（bool）从正方向画角度弧线
- dot（bool）弧度中心标记一个点，一般用于表示角度位置
- dot_radius（float）点的半径
- dot_distance（float）点离原点的距离
- elbow（bool）表示直角的角度折现
- kwargs 附加参数
构造示例：
from manim import *
class RightArcAngleExample(Scene):
def construct(self):
line1 = Line( LEFT, RIGHT )
line2 = Line( DOWN, UP )
rightarcangles = [
Angle(line1, line2, dot=True),
Angle(line1, line2, radius=0.4, quadrant=(1,-1), dot=True, other_angle=False),
Angle(line1, line2, radius=0.5, quadrant=(-1,1), stroke_width=8, dot=True, dot_color=YELLOW, dot_radius=0.04, other_angle=True),
Angle(line1, line2, radius=0.7, quadrant=(-1,-1), color=RED, dot=True, dot_color=GREEN, dot_radius=0.08),
]
plots = VGroup()
for angle in rightarcangles:
plot=VGroup(line1.copy(),line2.copy(), angle)
plots.add(plot)
plots.arrange(buff=1.5)
self.add(plots) 
Line 线
manim.mobject.geometry.line.Line
start=LEFT, end=RIGHT, buff=0, path_arc=None, **kwargs构造参数：
- start（list）起始点
- end（list）终点
- buff（float）两端点与可见线的距离
- kwargs 附加参数
构造示例：
from manim import *
class LineExample(Scene):
def construct(self):
ax = Axes()
line1 = Line(ax.c2p(1,-3),ax.c2p(1,3),buff=0)
line2 = Line(ax.c2p(2,-3),ax.c2p(2,3),buff=1)
line3 = Line(ax.c2p(2,-3),ax.c2p(2,3),path_arc=PI)
self.add(ax,line1,line2,line3)
标签：color,float,CE,stroke,radius,Line,Mobject,dot,Manim 来源： https://www.cnblogs.com/remyuu/p/16632726.html