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Questions tagged [culling]

133 questions
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Libgdx view frustum culling inside actor.draw()

I am developing a little game using libgdx. It is a 2d top down game with some big maps and many objects on them. So i just want to render things in my view frustum. I have seen the camera.frustum.***inFrustum(Paramter... p). But i am using scene2d…
Robert P
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3D Objects are not being in their regular shape at distance

I am working on a game which was developed by some other guy earlier. I am facing a problem that when player(with camera) start running on the road the buildings are not being shown up in their regular shape and as we move forward (more closer to…
Ankush
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OpenGL cube faces wrongly displayed [SFML 2.1]

I have a problem with OpenGL: the faces of my cube aren't properly drawn. I tried to disable face culling but it didn't change a thing. By the way, I use sfml 2.1. I also tried to change the indices order of my cube, but it only got worse. Let me…
Benoît Dubreuil
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Frustum culling with VBOs

I am planning on writing a 3D game that will be using VBOs for rendering. Let's say, for example, that the terrain is a set of tiles and their vertices are all in the same VBO. The player should be able to scroll through the tiles, and at all times…
Bodwin
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How does DirectX determine winding order?

How does DirectX determine polygon winding orders? I'm curious in particular about backface culling. From researching this I have seen it suggested that DX calculates a surface normal and takes the dot product of that and the camera vector, and…
Justin R.
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if one vertex is out of screen the entire triangle is culled out

this is a noobish Irrlicht question because I just started working with it, but my problem is this: all the triangles of the mesh I'm rendering that have even one vertex out of screen, gets entirely culled out. this caused parts of the mesh that are…
Ronen Ness
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occlusion culling test 3d

Suppose we have a body,whose shell is represented by flat triangles (Polygon Mesh). The mesh is consist of millions of polygon for the needed accuracy level. Furthermore, the body is not convex (it is not a sphere, watch wiki page “Polygon mesh” for…
user2413982
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Frustum Culling With View Matrix

In a GLSL shader I need to omit a few tessellation patches to drastically increase performance. These patches are triangles with given world coordinates for each vertex. However, when I convert these coordinates into view space for frustum culling,…
Behemyth
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Three.js - Cube and sphere clipping strangely with plane

I'm having an issue where it looks like the cube and sphere are clipping with the plane. It seems to happen when I move the cube (using the keyboard) toward the back of the scene. It also happens when I use the trackball controls to move around the…
Michael
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Frustum culling w/ thread pool?

I'm working on a minecraft-like game, and I'm wondering about an efficient way to generate the chunks while the player is walking. Especially, I would like to draw the chunk that the player is seeing before the one which are behind him. I'm…
Maël Nison
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Frustum Culling in JavaFX

I wish to implement some Frustum Culling in my JavaFX application, as there can be a large amount of Nodes outside the scene but there are some mouse-events such as dragging which may bring them back to the Scene. Is there some method already in the…
sazap10
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3D view frustum culling, ray casting

I need additional theory on view frustum culling to better understand how to implement it. I understand that ray casting is involved in order to figure out what objects are in front, thus figuring out which objects not to render. I am concerned…
Johnathan
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Backface Culling Causing Transparency, Flipping doesn't FIX

I have a weird model. I imported an FBX liquor bottle and the sides are transparent in the viewport. It seems to render opaque during CYCLES, but I need the bottle to render properly in the viewport for a number of reasons. I'm submitting the BLEND…
Dr Tyrell
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