Scene Render Sequence
Simple Scene The simple scene composes of a skybox and a box. 1) When depth test is enabled, draw Box, and then Skybox, the scene …
Deferred Rendering GBuffer Visualization
learnopengl.com – Deferred-Shading chapter, GBuffer visualization. GBuffer – Position Use glBlitFramebuffer to copy color buffer to the default framebuffer, so that the color information could …
OpenGL DrawCalls
As of latest OpenGL. draw actions notes glDrawArrays render primitives from array data glDrawArraysIndirect render primitives from array data, taking parameters from memory glDrawArraysInstanced draw …
The Unreal Engine Game Framework: From int main() to BeginPlay
One of the most fundamental concepts in game programming – and one of the simplest – is the idea of the game loop. When your …
How to Fix “Username is not in the sudoers file. This incident will be reported” in Ubuntu
How To Fix Broken sudo Command in Ubuntu If you happen to be running only Ubuntu on your machine, after powering it, press the Shift key for a few …
Dividing 3D Space into an Octree
What is Octree? An octree is basically a recursive algorithm for dividing up space into 8, which is why it is called octal tree obviously. …