Overhang Terrain Scene Manager allows making overhangs and digging tunnels in terrain.
It's a modified version of the Terrain Scene Manager, so the terrain will be basically loaded by height maps.
The is a demo application, which contains terrain modify tools.
- mouse left: ..... remove geometry
- mouse right: ..... add geometry
- mouse wheel: ..... move "editor gizmo" back/forward
- key P: ..... increase size of gizmo
- key L: ..... decrease size of gizmo
It was downloadable only from a private webspace.
In 2011 somebody put the source code to a public repository to keep the project available for the long term future.