public-mirrors/3b1b-manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-09-01 00:48:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Going back and forth on how I want objects to be ordered in the 3d camera

Browse source
This commit is contained in:
Grant Sanderson 2018-02-06 12:23:33 -08:00
parent 3f445cb14e
commit 58dc8f2f0d
1 changed files with 16 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
topics/three_dimensions.py
View file

@ -83,22 +83,22 @@ class ThreeDCamera(CameraWithPerspective):
*self.get_spherical_coords() *self.get_spherical_coords()
) )
def z_cmp(*vmobs): def z_cmp(*vmobs):
#Compare to three dimensional mobjects based on # Compare to three dimensional mobjects based on
#how close they are to the camera # how close they are to the camera
return cmp(*[ # return cmp(*[
-np.linalg.norm(vm.get_center()-camera_point) # -np.linalg.norm(vm.get_center()-camera_point)
for vm in vmobs # for vm in vmobs
]) # ])
# three_d_status = map(should_shade_in_3d, vmobs) three_d_status = map(should_shade_in_3d, vmobs)
# has_points = [vm.get_num_points() > 0 for vm in vmobs] has_points = [vm.get_num_points() > 0 for vm in vmobs]
# if all(three_d_status) and all(has_points): if all(three_d_status) and all(has_points):
# cmp_vect = self.get_unit_normal_vect(vmobs[1]) cmp_vect = self.get_unit_normal_vect(vmobs[1])
# return cmp(*[ return cmp(*[
# np.dot(vm.get_center(), cmp_vect) np.dot(vm.get_center(), cmp_vect)
# for vm in vmobs for vm in vmobs
# ]) ])
# else: else:
# return 0 return 0
Camera.display_multiple_vectorized_mobjects( Camera.display_multiple_vectorized_mobjects(
self, sorted(vmobjects, cmp = z_cmp) self, sorted(vmobjects, cmp = z_cmp)
) )