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Make it possible to set a prefered direction for ShowCreation on surfaces

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This commit is contained in:
Grant Sanderson 2020-08-16 09:46:08 -07:00
parent 26834178e7
commit dd6e99ab2e
1 changed files with 4 additions and 1 deletions
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5
manimlib/mobject/types/surface.py
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@ -24,6 +24,7 @@ class ParametricSurface(Mobject):
"opacity": 1.0,
"gloss": 0.3,
"shadow": 0.4,
"prefered_creation_axis": 1,
# For du and dv steps. Much smaller and numerical error
# can crop up in the shaders.
"epsilon": 1e-5,
@ -125,7 +126,9 @@ class ParametricSurface(Mobject):
self.rgbas = interpolate(mobject1.rgbas, mobject2.rgbas, alpha)
return self
def pointwise_become_partial(self, smobject, a, b, axis=1):
def pointwise_become_partial(self, smobject, a, b, axis=None):
if axis is None:
axis = self.prefered_creation_axis
assert(isinstance(smobject, ParametricSurface))
self.points[:] = smobject.points[:]
if a <= 0 and b >= 1: