As you see, I sat in the grass as a bunny ^^

I could recreate problem, but only halfway, cause I got fps drop to 43 from 60...
I've placed some more trees, to recreate 20-30 fps drop, but...

Fps is stable (with that jerking between 59-60...), I have no idea why...

Log of A7 Engine 7.86.6 run at Mon Aug 15 01:28:18 2011
Администратор on Windows NT/2000/XP version 5.1 Build 2600
Options main.c -nx 30 -diag
App: C:\Program Files\GStudio7\acknex.exe in C:\Documents and Settings\Администратор\Рабочий стол\UNNAMED\

MM mixer opened
DSOUND device opened
DI interface opened
Start Window opened
(c) Conitec - Dieburg - San Diego - www.3dgamestudio.com
A7 Engine - Commercial Edition V7.86.6 - Aug 7 2010
Development version
Registered to: DMITRY MIKHAYLOV

Mouse found
Realtek AC97 Audio opened
NVIDIA GeForce 7600 GS pure T&L device 1ff9 detected
D3D device NVIDIA GeForce 7600 GS 1ff9 selected.
acknet.dll opened
ackwii.dll opened
t7.dll opened
Compiling MAIN.C - [Esc] to abort........
PATH bmaps\
PATH bmaps\fx\
PATH bmaps\fx\blood\
PATH bmaps\fx\blood\screen\
PATH bmaps\hud\
PATH models\
PATH models\player\
PATH models\props\
PATH models\weapons\
PATH models\weapons\glock\
PATH models\weapons\mp5\
PATH models\weapons\sporting12\
PATH models\weapons\g3\
PATH scripts\
PATH scripts\fx\
PATH sounds\
PATH sounds\player\
PATH sounds\player\footsteps\
PATH sounds\weapons\
PATH sounds\weapons\fx\
PATH sounds\weapons\glock\
PATH sounds\weapons\mp5\
PATH sounds\weapons\sporting12\
PATH sounds\weapons\g3\
PATH sounds\weather\.......................................... 2.601 sec
Running MAIN.C.
25 objects
Main started at 3.750
D3D_Init Window: 800x600 -> Window: 1x800x600x32
Video memory found: 746 MB
LevelInit at 3.812
97 entities 0 cameras 0 lights 0 sounds 0 paths
3 lmaps 5 textures 22 meshes 872 faces...ok
LevelReady at 5.082
def_startup started
fps_startup started
Main loop at 5.086....
1st frame with 746 MB. at 5.323
Nexus overflow at 31446984
D3D_Resize Screen: 800x600 -> Screen: 2x800x600x32
HEADRELATIVE sound: 1
D3D_Resize Screen: 1024x768 -> Screen: 2x1024x768x32
Status at time 102.786 frame 5276 ---------
bbox_mdl_019:thunder_strike V_GLOCK.MDL:v_glock bbox_mdl_019:hero
Maximum Time:
bbox_mdl_019:hero => 0.521686
--------------------------------------
Status at time 104.575 frame 5372 ---------
bbox_mdl_019:thunder_strike V_GLOCK.MDL:v_glock def_debug
bbox_mdl_019:hero
Maximum Time: def_debug => 0.009488
--------------------------------------
Normal exit at 56.158
Close level,DLL,objects
Free input,funcs,panels,defs,syns,views,strings,vars..ok
Free sounds,bmaps,fonts,hash,defs1,script..ok
Close dx,multimedia,D3D,engine,physics,nexus..ok
A7 Engine - Commercial Edition V7.86.6 - Aug 7 2010

(c) Conitec - Dieburg - San Diego - www.3dgamestudio.com
Registered to: DMITRY MIKHAYLOV
Unfreed: 1283, BM1, 69892 bytes
Unfreed: 1535, BM1, 69892 bytes
Close window at 56.279