Max Map Size?
14 Posts
Posted Aug 16, 2008
What is the largest amount of surface area aloud in a Portal map? Ive had trouble with maps that were around 15000x15000, but ive seen GMOD maps on Youtube that look like 50000x50000! How big can you make your map?
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142 Posts
Posted Aug 16, 2008
Replied
36 minutes
later
Open hammer, make a brush the size of the entire grid, then look at the dimensions.
14 Posts
Posted Aug 16, 2008
Replied
24 minutes
later
I kinda know that... 
I mean, I made a huge maps once (read first post again) and it didnt load.
504 Posts
Posted Aug 16, 2008
Replied
52 minutes
later
I'm not sure if there is a newer number (and if there is I'd assume it is bigger) but hammer/source can handle 8192 brushes.
4,136 Posts
Posted Aug 17, 2008
Replied
8 hours
later
You can't make a map fit the ENTIRE dimension of the grid. Somewhere around 16384 units from the edge on all sides, the game starts to render things weird and it has problems. I think there is better documentation about this over at Interlopers, but I know it does happen.
4 Posts
Posted Aug 19, 2008
Replied
1 day
later
The maps you are talking about that look like they are extremely large have 3D Skyboxes. If you walk out, you will eventually hit an invisible wall.
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738 Posts
Posted Aug 19, 2008
Replied
4 hours
later
See this for more information about 3D-skyboxes, what they are, and how to create one.
Note they only give the feeling the map is bigger. You cannot actually acces them, and they are not part of the gameplay - only of the enviroment.