Hi Rondinion,
you have an error in your camera movement script.
Its not framerateindependant:
camera.pan-=mickey.x*mausempfindlichkeit_i*0.05*time_step;
camera.tilt-=mickey.y*mausempfindlichkeit_i*0.05*time_step;
You dont need a time_step, as mickey.x already adjusts for
the "movement of pixels per frame"
So take out time_step, and adjust the factors.
You can tests this at the fire in the trashbins, wich
lower the FPS a lot.
And rotate around.
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Also try to use a time_smooth = 0;
to make the camera movement more exact.
using proc_mode = PROC_LATE;
is also useful in the movementroutine.
I think this should be adjusted sortlye before rendering.
(not totally shure about that)