Top "Frustum" questions

A frustum is a region of space delimited by a solid geometrical shape and two parallel planes cutting it, in particular the region of (virtual) space that is rendered on screen in computer graphics applications.

Calculating the Viewing Frustum in a 3D Space

I have drawn diagram after diagram of how to calculate the bounding points of the viewing frustum in a three-dimensional …

3d geometry trigonometry lwjgl frustum
GLM - Calculating the frustum from the projection matrix

GLM provides a way to declare a projection matrix: projectionMatrix = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 1000.f); From this, I …

opengl frustum
THREE.js check if object is in frustum

i've been tinkering around with three.js and i have a canvas i'd like to use as kind of a …

three.js frustum
How to check if an object lies outside the clipping volume in OpenGL?

I'm really confused about OpenGL's modelview transformation. I understand all the transformation processes, but when it comes to projection matrix, …

opengl clipping frustum
Extracting View Frustum Planes (Gribb & Hartmann method)

I have been grappling with the Gribb/Hartmann method of extracting the Frustum planes for some time now, with little …

math 3d frustum culling occlusion-culling
frustumM / setLookAtM in OpenGL ES 2.0 on Android

I am playing around with OpenGL on the Android platform using the OpenGL ES 2.0 tutorial as a basis. The code …

android opengl-es-2.0 frustum