Real3D

It's a C++ framework for game development.
In 2005 it supported the unique technologies for that time:

- the dynamic grass with the wind
- three-dimensional clouds with lighting
- patch geomorphing
- water with perturbations (drops, waves)

Example screens

Engine supports octree rendering, bsp, asm-shaders, skeletal animation, sound processing, system of resources, input and events. OpenGL is used as render API. Engine is obsolete for today.