Python Manim 库的使用
和季
使用 Manim 库生成动画
- 前言
- 效果展示
- 源代码
1、前言
Hello World
因为网上有很多资料可以参考，所以对 manim 的概念和环境搭建就不赘述了，考虑到没有 manim 环境的朋友，所以就在下面进行效果展示。
2、效果展示
动画
点我
3、源代码
#!/usr/bin/env python
# -*- coding:utf-8 -*-
"""
@Author: _Scale
@File name: vf.py
@Creative time: 2020/04/21 10:59
@Document description: 可以把该文件复制到用 Git 从 GitHub 上面拉下来的 manim 文件夹下，然后运行这个 vf.py 脚本
"""
from manimlib.imports import *
class VisualFeast(Scene):
'''定义 VisualFeast 类，继承 manim 的 Scene'''
def construct(self):
'''构造 Visual Feast'''
txt_list = ['P','Y','T','H','O','N'] # 需要的字符放在列表
color_list = [BLUE,RED,PINK,WHITE,YELLOW,GREEN,BLACK] # 需要的颜色放在列表
# 初始化界面
txt = TextMobject('I Live Python!')
txt.set_color_by_gradient(RED_D, YELLOW, BLUE) # 可设置颜色渐变
txt.scale(3)
txt_one = TextMobject('Python')
txt_one.set_fill(BLACK, opacity=0.8)
txt_one.scale(0.5)
self.play(Write(txt), run_time=6)
self.play(Transform(txt,txt_one))
# 实例化对象
txt_space = []
txt_group = VGroup()
# 展示一圈圈的字符
for a in range(1,7):
t = txt_list[a % 6]
txt = TextMobject(t, color=color_list[1]) # 实例化字符
txt.move_to(UP * 1) # 向上移动一个单位
txt.rotate(-PI / 3 * a, about_point=ORIGIN) # PI 是常量
self.play(Write(txt), run_time=0.1) # run_time 设置运行时间
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[a-1])
for b in range(1,10):
t = txt_list[b % 6]
txt = TextMobject(t, color=color_list[3])
txt.move_to(UP * 1.75)
txt.rotate(-PI / 4.5 * b, about_point=ORIGIN)
self.play(Write(txt), run_time=0.1)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[b-1])
for c in range(1,13):
t = txt_list[c % 6]
txt = TextMobject(t, color=color_list[4])
txt.move_to(UP * 2.5)
txt.rotate(-PI / 6 * c, about_point=ORIGIN)
self.play(Write(txt), run_time=0.1)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[c-1])
for d in range(1,19):
t = txt_list[d % 6]
txt = TextMobject(t, color=color_list[0])
txt.move_to(UP * 3.75)
txt.rotate(-PI / 9 * d, about_point=ORIGIN)
self.play(Write(txt), run_time=0.1)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[d-1])
# 实例化对象
square_one = Square(color=color_list[0])
square_two = Square(color=color_list[4])
circle_one = Circle(color=color_list[0])
circle_two = Circle(color=color_list[4])
annulus_one = Annulus(color=color_list[3])
annulus_two = Annulus(color=color_list[0])
annulus_three = Annulus(color=color_list[2])
# 配置对象
square_one.scale(4)
circle_one.scale(4)
square_two.scale(4)
circle_two.scale(4)
circle_one.flip(LEFT + RIGHT)
circle_two.flip(UP)
square_one.flip(DOWN + LEFT)
square_two.flip(DOWN)
# 生成
self.play(ShowCreation(circle_one))
self.play(Transform(circle_one,square_one))
self.play(Transform(square_one,circle_two))
self.play(Transform(square_one,circle_one))
self.play(Transform(square_two,circle_two))
# 改变初始字符颜色
txt_one.set_fill(color_list[3], opacity=1)
self.play(ShowCreation(txt_one, run_time=1))
# 梅开二度
for a in range(1,7):
t = txt_list[a % 6]
txt = TextMobject(t, color=color_list[4]) # 实例化字符
txt.move_to(UP * 1) # 向上移动一个单位
txt.rotate(-PI / 3 * a, about_point=ORIGIN) # PI 是常量
self.play(Write(txt), run_time=0.05) # run_time 设置运行时间
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[a-1])
for b in range(1,10):
t = txt_list[b % 6]
txt = TextMobject(t, color=color_list[0])
txt.move_to(UP * 1.75)
txt.rotate(-PI / 4.5 * b, about_point=ORIGIN)
self.play(Write(txt), run_time=0.05)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[b-1])
for c in range(1,13):
t = txt_list[c % 6]
txt = TextMobject(t, color=color_list[1])
txt.move_to(UP * 2.5)
txt.rotate(-PI / 6 * c, about_point=ORIGIN)
self.play(Write(txt), run_time=0.05)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[c-1])
for d in range(1,19):
t = txt_list[d % 6]
txt = TextMobject(t, color=color_list[3])
txt.move_to(UP * 3.75)
txt.rotate(-PI / 9 * d, about_point=ORIGIN)
self.play(Write(txt), run_time=0.05)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[d-1])
# 梅开三度
square_one = Square(color=color_list[6])
square_two = Square(color=color_list[6])
circle_one = Circle(color=color_list[6])
circle_two = Circle(color=color_list[6])
# 配置对象
square_one.scale(4)
circle_one.scale(4)
square_two.scale(4)
circle_two.scale(4)
# 生成
self.play(ShowCreation(circle_one))
self.play(Transform(circle_one,square_one))
self.play(Transform(square_one,circle_two))
self.play(Transform(circle_two,circle_one))
self.play(Transform(circle_one,square_two))
# 梅开四度
for a in range(1,7):
t = txt_list[a % 6]
txt = TextMobject(t, color=color_list[6]) # 实例化字符
txt.move_to(UP * 1) # 向上移动一个单位
txt.rotate(-PI / 3 * a, about_point=ORIGIN) # PI 是常量
self.play(Write(txt), run_time=0.01) # run_time 设置运行时间
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[a-1])
for b in range(1,10):
t = txt_list[b % 6]
txt = TextMobject(t, color=color_list[6])
txt.move_to(UP * 1.75)
txt.rotate(-PI / 4.5 * b, about_point=ORIGIN)
self.play(Write(txt), run_time=0.01)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[b-1])
for c in range(1,13):
t = txt_list[c % 6]
txt = TextMobject(t, color=color_list[6])
txt.move_to(UP * 2.5)
txt.rotate(-PI / 6 * c, about_point=ORIGIN)
self.play(Write(txt), run_time=0.01)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[c-1])
for d in range(1,19):
t = txt_list[d % 6]
txt = TextMobject(t, color=color_list[6])
txt.move_to(UP * 3.75)
txt.rotate(-PI / 9 * d, about_point=ORIGIN)
self.play(Write(txt), run_time=0.01)
txt_space.append(txt)
txt_group = VGroup(txt_group, txt_space[d-1])
self.wait(3)
# 改变初始字符颜色
txt_one.set_fill(color_list[6], opacity=1)
self.play(ShowCreation(txt_one, run_time=1))
# 梅开五度
txt_two = TextMobject('I Live Python!')
txt_three = TextMobject('Python')
txt_two.set_color_by_gradient(RED_D, YELLOW, BLUE)
txt_three.set_fill(color_list[6], opacity=1)
txt_two.scale(3)
txt_three.scale(0.5)
self.play(Write(txt_two, run_time=3))
self.wait(3)
self.play(Transform(txt_two, txt_three))
# 结尾
annulus_one.scale(1)
annulus_two.scale(2)
annulus_three.scale(4)
annulus_one.set_fill(color_list[3])
annulus_two.set_fill(color_list[0])
annulus_three.set_fill(color_list[5])
txt_three.set_fill(color_list[3], opacity=1)
txt_three.scale(1)
self.play(ShowCreation(annulus_one))
self.play(ShowCreation(annulus_two))
self.play(ShowCreation(annulus_three))
self.play(ShowCreation(txt_three, run_time=0.1))
self.wait(6)
# 脚本时执行，模块时不执行
if __name__ == '__main__':
VisualFeast()
–
感谢 CSDN，感谢朋友们的支持。
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