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 blog.johnnovak.net
The Nim Ray Tracer Project - Part 3: Lighting & Vector Maths | John Novak
| | ksimek.github.io
Calibrated Cameras in OpenGL without glFrustum
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| | [AI summary] This article explains how to use an intrinsic camera matrix in OpenGL to simulate a calibrated camera for augmented reality without relying on glFrustum, by decomposing the projection into perspective and NDC transforms.
| | jamie-wong.com
Ray Marching and Signed Distance Functions
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| | One of the techniques used in many demo scenes is called ray marching. This algorithm, used in combination with a special kind of function called
| | learnopengl.com
LearnOpenGL - Diffuse irradiance
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| | Learn OpenGL . com provides good and clear modern 3.3+ OpenGL tutorials with clear examples. A great resource to learn modern OpenGL aimed at beginners.
| | wwwtyro.net
wwwtyro.net
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| [AI summary] The provided text is a detailed explanation of a fragment shader implementation for path tracing in a WebGL application. It includes code for rendering a caffeine molecule, using ping-pong framebuffers for accumulation, and displaying the final result. The explanation covers the ray-sphere intersection, ray-plane intersection, and the overall structure of the shader program. The text also includes functions for resetting and resizing the canvas, as well as a loop for continuous rendering.