Func nav avoidance obstacle

Template:L4d series brush It tells bots that nav areas in this volume are obstructing pathfinding but can be ignored for longer-term queries like computing flow distances and escape routes. Bots will go into the affected areas if their destination is in the obstructed area, or they must cross the obstructed area to reach their destination, but otherwise avoid it. Used sparingly to prevent bots from moving to odd-looking places.

Warning:AABB is used for area obstructing, so clipping or rotating brushes does not change a brush's size as one expects.

Uses in Official Maps

l4d_river01_docks / c7m1_docks

• 4 of them are used on the wooden structure near the sea by a path of rocks under the bridge.
• 1 used on a window where survivor bots have hard time jumping into
• 1 used on barrels in the brick factory to make bots go around

l4d_river02_barge / c7m2_barge

• 1 used on the first water body to make bots go around it
• 1 used on the ledge of the coal barge in the second water body to make bots not go near the ledge
• 1 used on the way from top conveyor belt to the bottom one to prevent survivor bots trying to follow you through there if unnecessary and hang

l4d_airport02_offices / c11m2_offices

• 2 used inside the office on office dividers to prevent bots slowing down doing hard jumps over them

l4d_airport04_terminal

• 2 used in metal detectors to prevent bots triggering them

l4d_hospital03_sewers / c8m3_sewers

• 1 used on gas station to prevent bos going near it

c13m2_southpinestream

• 2 used in an attempt to prevent bots going into fire but trigger_hurt already mark areas DAMAGING which does the same thing

See Also

• func_nav_blocker
• L4D Level Design/Nav Meshes
• List_of_L4D_Series_Nav_Mesh_Attributes