〔manim教程〕第三讲 颜色的表示、运算与设置 | 我们一起搞颜色！

颜色表示

转换

hex_to_rgb("#66CCFF")
# np.array([0.4,0.8,1.0])
rgb_to_hex(np.array(0.4,0.8,1.0))
# "#66CCFF"

rgb_to_color(np.array[0.4,0.8,1.0])
# <Color #6cf>

color = Color("#66CCFF")
# np.array([0.4,0.8,1.0])

invert_color("66CCFF")
# <Color #930>
color_to_rgb(invert_color(rgb_to_hex(np.array[0.4,0.8,1.0])))
# np.array([0.6,0.2,0.0])

#  interpolate to insert between other things or parts : intercalate
interpolate_color(BLUE,GREEN,0.00)

average_color(BLUE,GREEN,RED)

color_gradient([BLUE,GREEN,RED],9)

random_color()

# VMobject
stroke
fill
background_stroke
color/opacity

rec.set_color(GREEN)
rec.set_stroke(color=RED,width=15,opacity=0.4)
rec.set_fill(color=ORANGE,opacity=0.9)
rec.set_background_stroke(color=WHITE,width=10,opacity=1)

vg.set_color(BLUE_B)
vg.set_color_by_gradient(GREEN,RED,BLUE)
vg.set_colors_by_ratial_gradient(
    # center = vg.get_center(),
    radius = 2.7,
    inner_color=BLUE,
    outer_color=PINK
)

rec.set_sheen(0.50,RIGHT)
rec.set_sheen_direction(UL)
rec.set_sheen_direction(DR)
rec.set_color([BLUE,RED,GREEN])
rec.set_sheen_direction(RIGHT)