GrowArrow¶
完整名称: manim.animation.growing.GrowArrow
- class GrowArrow(mobject=None, *args, use_override=True, **kwargs)[source]¶
基类:
GrowFromPoint
通过让
Arrow
从其起点向尖端生长来引入它。- 参数:
arrow (Arrow) – 要引入的箭头。
point_color (str) – 箭头生长到完整大小之前的初始颜色。留空则与箭头的颜色匹配。
示例
示例: GrowArrowExample ¶
from manim import * class GrowArrowExample(Scene): def construct(self): arrows = [Arrow(2 * LEFT, 2 * RIGHT), Arrow(2 * DR, 2 * UL)] VGroup(*arrows).set_x(0).arrange(buff=2) self.play(GrowArrow(arrows[0])) self.play(GrowArrow(arrows[1], point_color=RED))
class GrowArrowExample(Scene): def construct(self): arrows = [Arrow(2 * LEFT, 2 * RIGHT), Arrow(2 * DR, 2 * UL)] VGroup(*arrows).set_x(0).arrange(buff=2) self.play(GrowArrow(arrows[0])) self.play(GrowArrow(arrows[1], point_color=RED))
方法
创建起始 Mobject 对象
属性
路径弧
路径函数
运行时间