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Use ManimColor opacity in VMobjects along with object's opacity #4940

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Use ManimColor opacity in VMobjects along with object's opacity #4940

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04e90e9
Use set_fill and set_stroke functions and rgbas
UnMolDeQuimica Aug 15, 2026
9961ff9
Merge branch 'main' into manim_color_opacity_clash_with_vmobject_opac…
UnMolDeQuimica Aug 15, 2026
f8acce6
Merge branch 'main' into manim_color_opacity_clash_with_vmobject_opac…
UnMolDeQuimica Aug 20, 2026
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7 changes: 5 additions & 2 deletions manim/mobject/types/vectorized_mobject.py
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Original file line number Diff line number Diff line change
Expand Up @@ -167,9 +167,12 @@ def __init__(
# fill_color = kwargs["color"]
# stroke_color = kwargs["color"]
if fill_color is not None:
self.fill_color = ManimColor.parse(fill_color)
self.set_fill(color=ManimColor.parse(fill_color), opacity=self.fill_opacity)
if stroke_color is not None:
self.stroke_color = ManimColor.parse(stroke_color)
self.set_stroke(
color=ManimColor.parse(stroke_color), opacity=self.stroke_opacity
)

def _assert_valid_submobjects(self, submobjects: Iterable[VMobject]) -> Self:
return self._assert_valid_submobjects_internal(submobjects, VMobject)
Expand Down Expand Up @@ -240,7 +243,7 @@ def generate_rgbas_array(
]
rgbas: FloatRGBA_Array = np.array(
[
c.to_rgba_with_alpha(o)
c.to_rgba_with_alpha(c._internal_value[3] * o)
for c, o in zip(*make_even(colors, opacities), strict=True)
],
)
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5 changes: 2 additions & 3 deletions manim/utils/color/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1408,16 +1408,15 @@ def color_gradient(
raise ValueError("Expected 1 or more reference colors. Got 0 colors.")
if num_colors == 1:
return parsed_colors * length_of_output

rgbs = [color.to_rgb() for color in parsed_colors]
rgbas = [color.to_rgba() for color in parsed_colors]
alphas = np.linspace(0, (num_colors - 1), length_of_output)
floors = alphas.astype("int")
alphas_mod1 = alphas % 1
# End edge case
alphas_mod1[-1] = 1
floors[-1] = num_colors - 2
return [
rgb_to_color((rgbs[i] * (1 - alpha)) + (rgbs[i + 1] * alpha))
rgba_to_color((rgbas[i] * (1 - alpha)) + (rgbas[i + 1] * alpha))
for i, alpha in zip(floors, alphas_mod1, strict=True)
]

Expand Down