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sorting mobjects

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Colin Rubow 2026-06-20 19:32:51 -06:00
commit 0be4e534a7
1 changed files with 16 additions and 0 deletions
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16
manim/renderer/renderer.py
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@ -2,6 +2,7 @@ from __future__ import annotations
from abc import ABC, abstractmethod
from typing import TYPE_CHECKING, Protocol, runtime_checkable
import numpy as np
from manim._config import logger
from manim.mobject.mobject import InvisibleMobject
@ -35,8 +36,23 @@ class Renderer(ABC):
def render(self, state: SceneState) -> None:
self.pre_render(state.camera)
# seperate depth testing mobjects and otherwise
depth_testing: list[OpenGLVMobject] = []
non_depth_testing: list[OpenGLVMobject] = []
for mob in state.mobjects:
if mob.depth_test:
depth_testing.append(mob)
else:
non_depth_testing.append(mob)
# sort depth testing mobjects according to center distance from camera
depth_testing.sort(key=lambda m: np.linalg.norm(m.get_center() - state.camera.get_implied_camera_location()), reverse=True)
# render depth testing mobs followed by otherwise
for mob in depth_testing:
self.render_mobject(mob)
for mob in non_depth_testing:
self.render_mobject(mob)
self.post_render()
def render_mobject(self, mob: OpenGLMobject) -> None: