python动画manim中的颜色ManimColor的使用方法详解

目录

• 一，什么是彩色(颜色)
• 一、科学的颜色表达
• 二、艺术中的颜色表达
• 三、文化中的颜色象征
• 四、现代科技与颜色表达

ManimColor.from_hex((null, 100, 256))  #from_hex

from manim import *
class ManimCELogo01(Scene):
    def construct(self):
        a = ManimColor.from_hex((null, 100, 256))  #from_hex
        self.camera.background_color =a 
        #第一个颜色显示  from_rgb
        Fmyothercolor = ManimColor.from_rgb((null, 0, 0))
        Flogo_green1 = ManimColor.from_rgb((null, 50,50), alpha=0.5)  # 创建一个半透明的红色
        Fcircle = Circle(radius=0.5,color=Flogo_green1, fill_opacity=0.5)
        Ftx1=Text("(null, 50,50)",color=RED).scale(0.3)
        Ftx2=Text("ManimColor.from_rgb((null, 0, 0))",color=RED).shift(4*LEFT).scale(0.3)
        Frounded=RoundedRectangle(corner_radius=0.25, height=0.5, 
                                 width=5.0,color=Fmyothercolor, 
                                 fill_opacity=1
                                ).shift(4*LEFT)
        s=Square(color=ManimColor.from_hsv((null, 100, 256)),fill_opacity=1).shift(2*RIGHT)  #from_hsv 
        Fg=VGroup(Fcircle,Frounded,Ftx1,Ftx2,s)
        self.add(Fg)
        sss=ManimColor.gradient("RED",2)
        #不能用from_int_rgb
        #不能用_internal_from_hex_string ，from_hex_string ，能用from_hex   
        #不能用internal_from_int_rgba，from_int_rgba  能用from_rgba(rgba)
        #_internal_from_string,from_string
        s1=Square(color=sss,fill_opacity=1).shift(4*RIGHT)  #from_hsv
        self.add(s1)

from manim import *
class ManimCELogo(Scene):
    def construct(self):
        a = ManimColor.from_rgb((null, 100, 256))
        self.camera.background_color =a 
        #第一个颜色显示
        Fmyothercolor = ManimColor.from_rgb((null, 0, 0))
        Flogo_green1 = ManimColor.from_rgb((null, 50,50), alpha=0.5)  # 创建一个半透明的红色
        Fcircle = Circle(radius=0.5,color=Flogo_green1, fill_opacity=0.5)
        Ftx1=Text("(null, 50,50)",color=RED).scale(0.3)
        Ftx2=Text("ManimColor.from_rgb((null, 0, 0))",color=RED).shift(4*LEFT).scale(0.3)
        Frounded=RoundedRectangle(corner_radius=0.25, height=0.5, 
                                 width=5.0,color=Fmyothercolor, 
                                 fill_opacity=1
                                ).shift(4*LEFT)
        Fg=VGroup(Fcircle,Frounded,Ftx1,Ftx2)
        #第二个颜色显示
        Smyothercolor = ManimColor.from_rgb((null, 100, 100))
        Scircle = Circle(radius=0.5,color=Smyothercolor, fill_opacity=1)
        Stx1=Text("(null,100,100)",color=RED).scale(0.2)
        Slogo_green1 = ManimColor.from_rgb((null,150,150), alpha=10)  # 创建一个半透明的红色
        Srounded=RoundedRectangle(corner_radius=0.25, height=0.5, 
                                 width=5.0,color=Slogo_green1, 
                                 fill_opacity=1
                                ).shift(4*LEFT)
        Stx2=Text("ManimColor.from_rgb((null,150,150))",color=RED).shift(4*LEFT).scale(0.3)
        Sg=VGroup(Scircle,Srounded,Stx1,Stx2).shift(DOWN)
        #第三个颜色显示
        Tmyothercolor = ManimColor.from_rgb((null, 200, 200))
        Tcircle = Circle(radius=0.5,color=Tmyothercolor, fill_opacity=1)
        Ttx1=Text("200, 200, 200",color=RED).scale(0.2)
        Tlogo_green1 = ManimColor.from_rgb((null,250,250), alpha=10)  # 创建一个半透明的红色
        Trounded=RoundedRectangle(corner_radius=0.25, height=0.5, 
                                 width=5.0,color=Tlogo_green1, 
                                 fill_opacity=1
                                ).shift(4*LEFT)
        Ttx2=Text("ManimColor.from_rgb((null,250,250))",color=RED).shift(4*LEFT).scale(0.3)
        Tg=VGroup(Tcircle,Trounded,Ttx1,Ttx2).shift(2*DOWN)
        #第4个颜色显示
        N4myothercolor = ManimColor.from_rgb((null, 20, 20))
        N4logo_green1 = ManimColor.from_rgb((null, 70,70), alpha=0.5)  # 创建一个半透明的红色
        N4circle = Circle(radius=0.5,color=N4logo_green1, fill_opacity=0.5)
        N4tx1=Text("(null, 70,70)",color=RED).scale(0.3)
        N4tx2=Text("ManimColor.from_rgb((null, 20, 20))",color=RED).shift(4*LEFT).scale(0.3)
        N4rounded=RoundedRectangle(corner_radius=0.25, height=0.5, 
                                 width=5.0,color=N4myothercolor, 
                                 fill_opacity=1
                                ).shift(4*LEFT)
        N4g=VGroup(N4circle,N4rounded,N4tx1,N4tx2)
        #第5个颜色显示
        N5myothercolor = ManimColor.from_rgb((null, 120, 120))
        N5circle = Circle(radius=0.5,color=N5myothercolor, fill_opacity=1)
        N5tx1=Text("(null, 120, 120)",color=RED).scale(0.2)
        N5logo_green1 = ManimColor.from_rgb((null,170,170), alpha=10)  # 创建一个半透明的红色
        N5rounded=RoundedRectangle(corner_radius=0.25, height=0.5, 
                                 width=5.0,color=N5logo_green1, 
                                 fill_opacity=1
                                ).shift(4*LEFT)
        N5tx2=Text("ManimColor.from_rgb((null,170,170))",color=RED).shift(4*LEFT).scale(0.3)
        N5g=VGroup(N5circle,N5rounded,N5tx1,N5tx2).shift(DOWN)
        #第6个颜色显示
        N6myothercolor = ManimColor.from_rgb((null, 210, 210))
        N6circle = Circle(radius=0.5,color=N6myothercolor, fill_opacity=1)
        N6tx1=Text("(null, 210, 210)",color=RED).scale(0.2)
        N6logo_green1 = ManimColor.from_rgb((null,173,256), alpha=10)  # 创建一个半透明的红色
        N6rounded=RoundedRectangle(corner_radius=0.25, height=0.5, 
                                 width=5.0,color=N6logo_green1, 
                                 fill_opacity=1
                                ).shift(4*LEFT)
        N6tx2=Text("ManimColor.from_rgb((null,173,256))",color=RED).shift(4*LEFT).scale(0.3)
        N6g=VGroup(N6circle,N6rounded,N6tx1,N6tx2).shift(DOWN)
        FF=VGroup(Fg,Sg,Tg,N4g,N5g,N6g).arrange(DOWN,buff=0.1)
        self.add(FF)