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...GLSLmath has been inspired by the glm and slmath libraries, which aim to mimic GLSL, but in contrast to those GLSLmath does not focus on a complete conforming implementation of GLSL. It rather aims to provide a convenient single header file that implements the most commonly used subset of GLSL so that it is easy to use for rapid prototyping and GLSL teaching purposes.
It is used at the Georg-Simon Ohm University of Applied Sciences in Nuremberg for teaching computer graphics courses.
The glVertex library emulates the legacy OpenGL API, which has been deprecated in OpenGL core profiles. It is also a convenience wrapper around GLSL shaders, VBOs and FBOs.
CorEngine is a work in progress, OpenGL graphics powered 3D game engine designed to help independent game developers with quick prototyping and game/virtual environment creation.
The engine supports a standard set of features, like skeletal animation, post processing, Lua/C programming, physics powered by Bullet Physics, GUI and 2D/3D Audio.
Take a gander with Gander! Gander is a lightweight scene renderer for prototyping and viewing GLSL shaders. It makes tying together OpenGL and GLSL easy by using XML scene graphs. Plus, it supports some advanced features like multiple render passes.
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Hinge3D is an component based message system developed for rapid game prototyping, game development and game design testing. Is has semi automated multithreading and uses different open source projects as codebase, like Ogre3D,OIS,Lua and Boost.
Engine for rapid game prototyping, helping developers to quickly test their ideas during early development cycles or visualize ideas for interested sites without huge effort for developing custom engine first.
TacitPixel is a scalable C++ framework for building application prototypes for interactive collaborative VR/AR applications. It provides a number of features that make prototyping fast and portable.
TacitPixel is the successor of the TAP and Twisted Pair engines.
SETH is a fully integrated Shader-IDE for prototyping Vertex- and Pixelshaders for OpenGL written in the fxPascal-High Level Shader Language (with Pascal-like Syntax).
Yet Another Homemade Game Engine (yahge) is what the name says a free open source 3D Game Engine geared towards development of 3D First Person Shooters. Major goals are to provide a Rapid Prototyping System for Game Ideas or to make Game Demos for Resume