Version 1: BSP FLTK Download
Version 2: BSP wxWidgets Download
Here are some version 1 and version 2 screenshots. If you’ve played Quake 1, you’ll recognize the start map (version 1; first screenshot). The second screenshot is from the version 2 renderer, complete with textures.

Here are two implementations of the Binary Space Partition (BSP) algorithm used in [...]

continue reading.....