1
vote
0answers
36 views

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 ...
0
votes
0answers
89 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 ...
0
votes
1answer
109 views

Which parts to draw in an infinite world?

I have an infinite world (from Perlin Noise). The world is generated in sectors that are that are big cubes (each with a random colour, in the image above; my sectors are 10x10x10). I'm currently ...
0
votes
0answers
107 views

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 ...
1
vote
1answer
452 views

Creating a frustum for culling in world-space glm matrices

I need to do frustum culling where the bounding boxes are in world-space to determine which entities get to be updated/drawn. I was trying to use the classic projection/view matrix plane extraction ...
0
votes
2answers
219 views

My frustum culling is culling from the wrong point

I'm having problems with my frustum being in the wrong origin. It follows the rotation of my camera but not the position. In my camera class I'm generating a view-matrix: void Camera::Update() { ...
3
votes
1answer
916 views

Extracting Frustum Planes (Hartmann & Gribbs method)

I have been grappling with the Hartmann/Gribbs method of extracting the Frustum planes for some time now, with little success. There doesn't appear to be a "definitive" topic or tutorial which ...
1
vote
1answer
609 views

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 ...
3
votes
4answers
1k views

Linear search vs Octree (Frustum cull)

I am wondering whether I should look into implementing an octree of some kind. I have a very simple game which consists of a 3d plane for the floor. There are multiple objects scattered around on the ...
3
votes
1answer
2k views

Calculating camera frustum planes using existing matrix

I'm trying to get basic frustum culling against an AABB working, and I'm having a bit of trouble figuring out how to extract the frustum planes from my camera's transform matrix. All the example code ...