本文整理汇总了Python中mobject.vectorized_mobject.VGroup.get_center方法的典型用法代码示例。如果您正苦于以下问题:Python VGroup.get_center方法的具体用法?Python VGroup.get_center怎么用?Python VGroup.get_center使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类mobject.vectorized_mobject.VGroup
的用法示例。
在下文中一共展示了VGroup.get_center方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: PiCreature
# 需要导入模块: from mobject.vectorized_mobject import VGroup [as 别名]
# 或者: from mobject.vectorized_mobject.VGroup import get_center [as 别名]
class PiCreature(SVGMobject):
CONFIG = {
"color" : BLUE_E,
"stroke_width" : 0,
"fill_opacity" : 1.0,
"initial_scale_factor" : 0.01,
"corner_scale_factor" : 0.75,
"flip_at_start" : False,
"is_looking_direction_purposeful" : False,
"start_corner" : None,
}
def __init__(self, mode = "plain", **kwargs):
self.parts_named = False
svg_file = os.path.join(
PI_CREATURE_DIR,
"PiCreatures_%s.svg"%mode
)
digest_config(self, kwargs, locals())
SVGMobject.__init__(self, file_name = svg_file, **kwargs)
self.init_colors()
if self.flip_at_start:
self.flip()
if self.start_corner is not None:
self.to_corner(self.start_corner)
def name_parts(self):
self.mouth = self.submobjects[MOUTH_INDEX]
self.body = self.submobjects[BODY_INDEX]
self.pupils = VGroup(*[
self.submobjects[LEFT_PUPIL_INDEX],
self.submobjects[RIGHT_PUPIL_INDEX]
])
self.eyes = VGroup(*[
self.submobjects[LEFT_EYE_INDEX],
self.submobjects[RIGHT_EYE_INDEX]
])
self.submobjects = []
self.add(self.body, self.mouth, self.eyes, self.pupils)
self.parts_named = True
def init_colors(self):
self.set_stroke(color = BLACK, width = self.stroke_width)
if not self.parts_named:
self.name_parts()
self.mouth.set_fill(BLACK, opacity = 1)
self.body.set_fill(self.color, opacity = 1)
self.pupils.set_fill(BLACK, opacity = 1)
self.eyes.set_fill(WHITE, opacity = 1)
return self
def highlight(self, color):
self.body.set_fill(color)
return self
def change_mode(self, mode):
curr_eye_center = self.eyes.get_center()
curr_height = self.get_height()
should_be_flipped = self.is_flipped()
should_look = hasattr(self, "purposeful_looking_direction")
if should_look:
looking_direction = self.purposeful_looking_direction
self.__init__(mode)
self.scale_to_fit_height(curr_height)
self.shift(curr_eye_center - self.eyes.get_center())
if should_be_flipped ^ self.is_flipped():
self.flip()
if should_look:
self.look(looking_direction)
return self
def look(self, direction):
direction = direction/np.linalg.norm(direction)
self.purposeful_looking_direction = direction
for pupil, eye in zip(self.pupils.split(), self.eyes.split()):
pupil_radius = pupil.get_width()/2.
eye_radius = eye.get_width()/2.
pupil.move_to(eye)
if direction[1] < 0:
pupil.shift(pupil_radius*DOWN/3)
pupil.shift(direction*(eye_radius-pupil_radius))
bottom_diff = eye.get_bottom()[1] - pupil.get_bottom()[1]
if bottom_diff > 0:
pupil.shift(bottom_diff*UP)
#TODO, how to handle looking up...
# top_diff = eye.get_top()[1]-pupil.get_top()[1]
# if top_diff < 0:
# pupil.shift(top_diff*UP)
return self
def look_at(self, point_or_mobject):
if isinstance(point_or_mobject, Mobject):
point = point_or_mobject.get_center()
else:
point = point_or_mobject
self.look(point - self.eyes.get_center())
return self
def get_looking_direction(self):
#.........这里部分代码省略.........
示例2: PiCreature
# 需要导入模块: from mobject.vectorized_mobject import VGroup [as 别名]
# 或者: from mobject.vectorized_mobject.VGroup import get_center [as 别名]
class PiCreature(SVGMobject):
CONFIG = {
"color" : BLUE_E,
"stroke_width" : 0,
"stroke_color" : BLACK,
"fill_opacity" : 1.0,
"propogate_style_to_family" : True,
"height" : 3,
"corner_scale_factor" : 0.75,
"flip_at_start" : False,
"is_looking_direction_purposeful" : False,
"start_corner" : None,
#Range of proportions along body where arms are
"right_arm_range" : [0.55, 0.7],
"left_arm_range" : [.34, .462],
}
def __init__(self, mode = "plain", **kwargs):
self.parts_named = False
try:
svg_file = os.path.join(
PI_CREATURE_DIR,
"PiCreatures_%s.svg"%mode
)
SVGMobject.__init__(self, file_name = svg_file, **kwargs)
except:
warnings.warn("No PiCreature design with mode %s"%mode)
svg_file = os.path.join(
PI_CREATURE_DIR,
"PiCreatures_plain.svg"
)
SVGMobject.__init__(self, file_name = svg_file, **kwargs)
if self.flip_at_start:
self.flip()
if self.start_corner is not None:
self.to_corner(self.start_corner)
def name_parts(self):
self.mouth = self.submobjects[MOUTH_INDEX]
self.body = self.submobjects[BODY_INDEX]
self.pupils = VGroup(*[
self.submobjects[LEFT_PUPIL_INDEX],
self.submobjects[RIGHT_PUPIL_INDEX]
])
self.eyes = VGroup(*[
self.submobjects[LEFT_EYE_INDEX],
self.submobjects[RIGHT_EYE_INDEX]
])
self.parts_named = True
def init_colors(self):
SVGMobject.init_colors(self)
if not self.parts_named:
self.name_parts()
self.mouth.set_fill(BLACK, opacity = 1)
self.body.set_fill(self.color, opacity = 1)
self.pupils.set_fill(BLACK, opacity = 1)
self.eyes.set_fill(WHITE, opacity = 1)
return self
def copy(self):
copy_mobject = SVGMobject.copy(self)
copy_mobject.name_parts()
return copy_mobject
def highlight(self, color):
self.body.set_fill(color)
return self
def change_mode(self, mode):
new_self = self.__class__(
mode = mode,
color = self.color
)
new_self.scale_to_fit_height(self.get_height())
if self.is_flipped() ^ new_self.is_flipped():
new_self.flip()
new_self.shift(self.eyes.get_center() - new_self.eyes.get_center())
if hasattr(self, "purposeful_looking_direction"):
new_self.look(self.purposeful_looking_direction)
Transform(self, new_self).update(1)
return self
def look(self, direction):
direction = direction/np.linalg.norm(direction)
self.purposeful_looking_direction = direction
for pupil, eye in zip(self.pupils.split(), self.eyes.split()):
pupil_radius = pupil.get_width()/2.
eye_radius = eye.get_width()/2.
pupil.move_to(eye)
if direction[1] < 0:
pupil.shift(pupil_radius*DOWN/3)
pupil.shift(direction*(eye_radius-pupil_radius))
bottom_diff = eye.get_bottom()[1] - pupil.get_bottom()[1]
if bottom_diff > 0:
pupil.shift(bottom_diff*UP)
#TODO, how to handle looking up...
# top_diff = eye.get_top()[1]-pupil.get_top()[1]
# if top_diff < 0:
# pupil.shift(top_diff*UP)
#.........这里部分代码省略.........