In computer graphics - the part of the 3D scene that is visible on the screen, also called the viewing frustum. The shape of the viewing frustum is a pyramid defined by the viewing angle, and that is "clipped" between the near and the far clipping planes.

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Unity Frustum Culling Issue

I'm creating a game that utilizes off center projection. I've got my game set up in a CAVE being rendered in a cluster, over 8 PC's with 4 of these PC's being used for each eye (this creates a ...
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Frustum culling takes ages c++

I have two ways of doing frustum culling taken from different web sources. First one takes 200ms to check 10k AABBs, second around 50ms for the same box count. I read some forum answers, people say ...
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Which three points to use to calculate a frustum plane?

So I have a view frustum I'm going to be using for frustum culling. I have a method that finds the cross-product of three points but since each side of the frustum has four corners I don't know which ...
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OpenGL: How to map point inside frustrum to normal device coordinates (NDC)?

I read this article http://www.songho.ca/opengl/gl_projectionmatrix.html. It's explain how calculate projection matrix coefficients. But I completely can't understand how author perform mapping from ...
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Custom 3D Renderer: Frustum clipping

I have recently been toying with the idea of creating a 3D-renderer from scratch and, after looking into it, doesn't seem like such a behemoth of a task as it sounds. Last night, I was tossing and ...
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Compute directional light frustum from view furstum points and light direction

I'm working on a friends engine project and my task is to construct a new frustum from the light direction that overlaps the view frustum and possible shadow casters. The project already has a ...
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Control frustum near and far clip plane sizes in a Projection Matrix

I'm trying to achieve a dolly zoom effect. My first try was the obvious one, the original "zoom in & dolly out" technique, which works nicely. Except that there are cases which this is not ...
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Directional light view frustum stabilisation

Calculating directional light view frustum based on scene objects(bounding frustum) results in noticeable scene jittering on camera movement in CSM and non-CSM rendering code paths. What are the ...
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How do I extract the right information from my projection matrix for frustum culling?

I've tried several different tutorials for Frustum culling, however I cannot understand them. Here's my function that sets up my projection matrix (someone else helped me with this, but I don't know ...
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118 views

Frustum culling - error evaluating a point in the plane of the frustum

I am trying to implement the following code: http://www.lighthouse3d.com/tutorials/view-frustum-culling/geometric-approach-implementation/ I need to use frustum culling in my graphics engine. my ...
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Incorrect frustum culling with center/half-size AABB

I'm trying to implement an axis-aligned bounding box with center/half-size instead of min/max. And I have some problems when it comes to create a method to detect if the aabb is visible or not. I try ...
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Tile frustum build issue in tile-based deferred shading

I'm just learning the tile-based deferred shading, and found the great article by Andrew Lauritzen. And I also checked the source code, it's really helpful. But i still have some confusion about the ...