For game environments, a navigation line set outlines traversable edges on meshes

https://livestatus.de/index.php?title=The_Complete_Beginner%E2%80%99s_Guide_to_HVAC_Line_Set_Installation_60052

For game environments, a navigation line set outlines traversable edges on meshes, simplifying AI path planning with portal connections, corner penalties, and off-mesh links for jumps or ladders.