Physics and framerate issue

Hi

I have a game that has about 40 red sprites (48 x 48)no behaviours applied.

The frame rate is 59 fps.

I have an event that adds a new white sprite to the level when I click on screen.

The new white sprite is 48 x 48 with Physics applied.

As soon as I add the white sprite the framerate drops to, (and stays at) 26 fps.

Any ideas why this happens?

<img src="smileys/smiley5.gif" border="0" align="middle" />

EDIT 1

After further testing, the problem is happening because the new sprite is a triangle shape with a triangular collision mask.......

If I change the shape to a square, the framerate stays at 59.

EDIT 2

Forget the above Edit1....i didnt have physics applied to the square.

The framerate drops as soon as i add any sprite(using physics) to the game.

Did you set Physiscs world stepping to Framerate independent?

Did you set Physiscs world stepping to Framerate independent?

To be honest, i wasn't aware of the setting...should I enable this?

I think Physics is the only behavior that isn?t framerate independent by default, but i dont know if your framerate issue will be fixed with this.

I think Physics is the only behavior that isn?t framerate independent by default, but i dont know if your framerate issue will be fixed with this.

Tried it....no change though.

Thanks anyway.

Can you post a .capx? Also, what's your system spec? Physics can be pretty CPU intensive but it shouldn't be that bad.