ImpScape by Arvydas Zemaitis 2017-12-06T06:14:15Z
@wolfo hey there, thanks for the feedback and im glad you enjoyed it. It is a combination of 2 shaders, which to be honest needs far more work on them, for example some decals or even shadows had issues being shown, so the game does not actually have shadows (maybe its a plus) basically -
The whole world has a shader on it's materials that writes into the stencil buffer, then another shader which reads the buffer and displays it, so you can have a flat plane or whatever mesh with the "reader" stencil and it would be as if a"portal" showing any and all objects that WRITE into the buffer. Now the outline itself, you just make a script that shoots out raycasts and you check what you hit VS what you down for a given range, and from that information just create a mesh at runtime, give that mesh the "reader" shader and here you go - a field of view in 3d.
If you notice when having a small field of view, it almost seems that it starts from the top/head of the bots, it is because the mesh generates at y 3.5 or something like that, so it shows the walls at least. Hope this helped.