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Portal fps

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I've noticed some FPS fluctuations when playing the game. The screen shots below (note the net graph @lower right) illustrate.

 

The developer commentary talks about rendering two cameras to produce the effect. Given that information the drop in FPS makes sense.

 

This was worse when I had my 7900gt.

 

Has anyone else noticed this?testchmb_a_000001.jpgtestchmb_a_000002.jpg

 

All the way down to 40.

testchmb_a_020006.jpg

 

This last one is just for fun. Looks kinda trippy.

testchmb_a_110008.jpg

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yea i get the same thing, my fps really drops when im looking at the portals. its kinda annoying lol

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how did you do that?

Turn cheats on, then map the portal sets to different hotkeys. I used F1 through F4 in the config.cfg. Be aware this is extremely taxing on your video card and will disable any accomplishments you get when cheats are on.

 

bind "F1" "change_portalgun_linkage_id 0"

bind "F2" "change_portalgun_linkage_id 1"

bind "F3" "change_portalgun_linkage_id 2"

bind "F4" "change_portalgun_linkage_id 3"

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I tried that and made a mess. is there a guide for using that trick?

 

FYI: I found that turning down the eye candy (HDR,AA) helped a huge amount without lowering visual quality as far as I could tell.

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