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Added Mobject.set_color_by_rgba_func

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This commit is contained in:
Grant Sanderson
2021-02-25 08:46:56 -08:00
parent 8fcb069808
commit d06b3769b8
2 changed files with 52 additions and 11 deletions
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33
manimlib/mobject/mobject.py
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@ -504,7 +504,7 @@ class Mobject(object):
self.refresh_has_updater_status()
if call_updater:
self.update()
self.update(dt=0)
return self
def remove_updater(self, update_function):
@ -841,7 +841,30 @@ class Mobject(object):
# Color functions
def set_rgba_array(self, color=None, opacity=None, name="rgbas", recurse=True):
def set_rgba_array(self, rgba_array, name="rgbas", recurse=False):
for mob in self.get_family(recurse):
mob.data[name] = np.array(rgba_array)
return self
def set_color_by_rgba_func(self, func, recurse=True):
"""
Func should take in a point in R3 and output an rgba value
"""
for mob in self.get_family(recurse):
rgba_array = [func(point) for point in mob.get_points()]
mob.set_rgba_array(rgba_array)
return self
def set_color_by_rgb_func(self, func, opacity=1, recurse=True):
"""
Func should take in a point in R3 and output an rgb value
"""
for mob in self.get_family(recurse):
rgba_array = [[*func(point), opacity] for point in mob.get_points()]
mob.set_rgba_array(rgba_array)
return self
def set_rgba_array_by_color(self, color=None, opacity=None, name="rgbas", recurse=True):
if color is not None:
rgbs = np.array([color_to_rgb(c) for c in listify(color)])
if opacity is not None:
@ -870,8 +893,8 @@ class Mobject(object):
return self
def set_color(self, color, opacity=None, recurse=True):
self.set_rgba_array(color, opacity, recurse=False)
# Recurse to submobjects differently from how set_rgba_array
self.set_rgba_array_by_color(color, opacity, recurse=False)
# Recurse to submobjects differently from how set_rgba_array_by_color
# in case they implement set_color differently
if recurse:
for submob in self.submobjects:
@ -879,7 +902,7 @@ class Mobject(object):
return self
def set_opacity(self, opacity, recurse=True):
self.set_rgba_array(color=None, opacity=opacity, recurse=False)
self.set_rgba_array_by_color(color=None, opacity=opacity, recurse=False)
if recurse:
for submob in self.submobjects:
submob.set_opacity(opacity, recurse=True)