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Fun hacky solution to MoreFiltersMoreLight scene

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Grant Sanderson
2017-08-30 18:33:55 -07:00
parent ea8381de71
commit 231df4740f
3 changed files with 156 additions and 12 deletions
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13
topics/three_dimensions.py
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@ -97,9 +97,9 @@ class ThreeDCamera(CameraWithPerspective):
def get_spherical_coords(self, phi = None, theta = None, distance = None):
curr_phi, curr_theta, curr_d = self.rotation_mobject.points[0]
phi = phi or curr_phi
theta = theta or curr_theta
distance = distance or curr_d
if phi is None: phi = curr_phi
if theta is None: theta = curr_theta
if distance is None: distance = curr_d
return np.array([phi, theta, distance])
def get_phi(self):
@ -137,6 +137,7 @@ class ThreeDCamera(CameraWithPerspective):
class ThreeDScene(Scene):
CONFIG = {
"camera_class" : ThreeDCamera,
"ambient_camera_rotation" : None,
}
def set_camera_position(self, phi = None, theta = None, distance = None):
@ -152,6 +153,7 @@ class ThreeDScene(Scene):
def stop_ambient_camera_rotation(self):
self.remove(self.ambient_camera_rotation)
self.ambient_camera_rotation = None
def move_camera(
self,
@ -165,10 +167,11 @@ class ThreeDScene(Scene):
target_point,
**kwargs
)
if hasattr(self, "ambient_camera_rotation"):
is_camera_rotating = self.ambient_camera_rotation in self.continual_animations
if is_camera_rotating:
self.remove(self.ambient_camera_rotation)
self.play(movement, *added_anims)
if hasattr(self, "ambient_camera_rotation"):
if is_camera_rotating:
self.add(self.ambient_camera_rotation)
def separate_moving_and_static_mobjects(self, *animations):