Questions tagged [frustum-culling]
The process of identifying objects outside the view frustum and skipping the rendering of said objects.
39 questions
0 votes
1 answer
82 views
Generate Frustum from Clip Rectangle after Projection
I have an arbitrary Clip Rectangle, ranging from -1 to 1 which was obtained by min/maxing vertices after projection. I want to cull triangles in a compute shader against this particular rectangle. ...
0 votes
2 answers
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Why does everything I've made in Unity begin to vanish when I get close to it?
I've attempted looking into this via. the Unity Manual, and even posts on the Unity forum, although I've found nothing. I have already tried checking Occlusion Culling and general Object Culling. I've ...
0 votes
1 answer
1k views
Calculating LookAt position from rotation and translation matrix
I was wondering if it was possible to calculate a lookat position from the translation and rotation matrices (aka the building blocks of my view matrix). I need the lookAt position to implement a ...
0 votes
0 answers
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Why is the vieweing field a frustum instead of a pyramid?
In 3D games, why would the viewing field be a frustum? Why not a pyramid? You would still have to do culling to figure out what's in the field, and to me it seems a pyramid field is no harder to do ...
1 vote
1 answer
1k views
How to stop my particle systems from being frustum culled
Please could somebody advise on whether it is possible to control the culling of particle systems in Unity? I am referring to the entire system, not individual particles. In my use-case, I am ...
0 votes
0 answers
447 views
OBB Frustrum Culling in Clip Space
I've been trying for a while to implement a frustum culling method using a per-computed AABB in object space and transforming it's corners into clip space. ...
0 votes
2 answers
860 views
How do I remove the objects when it is not seen on the camera?
I am a beginner C# Developer and I am creating my own version of the "No Internet Dinosaur Game." How do I remove the Object like (Platforms, Cactus, etc.) When it is not seen on the camera?
0 votes
1 answer
479 views
What´s wrong with my Frustum Culling implementation?
I´m struggling with a weird problem since hours. Ive implemented frustum culling with the help of online articles and a book. The problem is that the objects are not culled correctly. I´m using ...