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Questions tagged [occlusion-culling]

44 questions
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Unity Occlusion Culling breaks in fully enclosed room

In my game I have closed rooms with teleporters in them to bring you to the outside. However, when baking Occlusion in Unity, when the camera is inside of the enclosed room, it starts to cull away objects inside the room. For example: While flying…
FireFlyForLife
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OpenGL render interior faces with occlusion

Is there a way in OpenGL to render only interior faces while exterior faces still cover/occlude the interior ones? To better understand what I want to accomplish, if I would slice a randomly positioned cylinder, I would see only an ellipse. I have…
Marc
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How to achieve occlusion culing in threejs？

hello，Now I have a research direction, the development of visual large-scale 3D building on the web, but the number is too large and found that threejs has no good way to achieve occlusion culing, may I ask what is a good way to achieve this?Frustum…
Karel
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How to retrieve a bounding box's meshes in three js?

I am actually working on implementing some occlusion culling on three.js , and I want to know if there's a way ,from a THREE.Box3 , to retrieve all corresponding meshes that are inside this bounding box ? does the bounding box in three.js keeps…
Amine Bensalem
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Orthographic Camera is not Occlusion Culling?

In the scene where the occlusion culling is done as desired, When I change the camera to orthograhpic, occlusion culling is not done. (Look at the sphere the red arrow points to on the right) What should I do?
mjk6026
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Occlusion culles too early

My occlusion setup is wrong somehow because it ocludes too early sometimes Here it looks good the red arrow marks the problem tunnel If i move the camera just a decimeter or two back the tunnel section is culled too early, you can see that the…
Anders
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Faking Scrollbars With JavaScript or jQuery

I am currently working on a custom table that I have made with knockoutJS and jQuery. Because this table is possibly dealing with 1,000 - 100,000 rows, I have implemented my own virtual scrolling technique in KnockoutJS to ensure that only 35 or so…
James Manes
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OpenGL - Occlusion query depth buffer?

I've just started getting into the topic of occlusion queries in OpenGL, but I'm a bit confused about how they actually work. In most examples I've found, the depth and color masks are deactivated before drawing with the occlusion query (Because we…
Silverlan
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SceneKit - Occlusion culling

I've played with SceneKit on iOS 8 for quite a while, and recently, I run into a situation in which I need to detect if a node does not appear on the viewport. Occlusion culling might be a possible solution. Therefore, is there any occlusion culling…
Van Nguyen
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Using Occlusion Culling with Asset Bundles in unity

I am working on a web based Unity project with large number of objects and textures. So I am using Asset Bundles to load assets dynamically in scene. Is there any way to use Occlusion culling on a scene that contains Objects loaded and Instantiated…
Arsalan
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Simple occlusion culling algorithm is not culling out any of the objects

I have some issues with implementing occlusion culling. For me, it doesn't seem to work as intended. Basically, on images I have my view frustum and object right in front of the camera. Unfortunately, the objects are still being visible. Don't quite…
Arheus
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Question about unity occlusion culling not working properly

I am currently using occlusion culling in Unity 3D. However, I didn't like the current map size, so when I increased the scale by 1.5 times, the following phenomenon did not work normally. enter image description here (this is the working…
StraightBet
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How to get the list of game object from cullingResult

I tried to modify the game objects' layer in CullingResults After frustumCulling. But I don't get those visible game objects from cullingresults. How can I modify the list of game objects in cullingresults？ I tried to use native plug-in with unity,…
sunflower
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Occlusion culling works for dynamic objects as well

For some reason my occlusion culling works also for dynamic objects. [![enter image description here][1]][1] Why occlusion culling disable non static objects? btw its works even when occlusion culling disabled in camera, why?
Mirai
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Why is my occlusion culling failed with Three.js?

First I knew that Three.js does not have official support for occlusion culling. However, I thought it's possible to do occlusion culling in an offscreen canvas and copy the result back to my Three.js WebGLCanvas. Basically, I want to transform this…
Julianouyang
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