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Added VMobject.set_opacity method

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Grant Sanderson
2019-02-07 17:47:16 -08:00
parent 9d132ed5e5
commit 266f44f10e
1 changed files with 7 additions and 0 deletions
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7
manimlib/mobject/types/vectorized_mobject.py
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@ -235,6 +235,11 @@ class VMobject(Mobject):
self.set_stroke(color, family=family)
return self
def set_opacity(self, opacity, family=True):
self.set_fill(opacity=opacity, family=family)
self.set_stroke(opacity=opacity, family=family)
return self
def fade_no_recurse(self, darkness):
opacity = 1.0 - darkness
self.set_fill(opacity=opacity)
@ -853,9 +858,11 @@ class DashedVMobject(VMobject):
# End points of the unit interval for division
alphas = np.linspace(0, 1, num_dashes + 1)
# This determines the length of each "dash"
full_d_alpha = (1.0 / num_dashes)
partial_d_alpha = full_d_alpha * ps_ratio
# Rescale so that the last point of vmobject will
# be the end of the last dash
alphas /= (1 - full_d_alpha + partial_d_alpha)