Algodoo

One Word.
AMAZING!!
It lookes great, the suspention is very realisticand the gear box is very simple to use and the car is fast,
I have a suggestion:
i'd make the body 50% transparent so people can see all of the workings.
One question though, you do you make things when you press a botton, they change collision layer?
Oh 10/10!

Can you repeat the question please? Didn't understand!
Thanks anyways!

Well, for example when i press enter i want a box to switch collision layer, how would i do that, is there a script or something? Or if not how do your gearboxes work (as i recently broken my ankle so i've had loads of time on my hands so i made a 3 speed in lego and cannot figure out how to put it into algodoo)?

Oh, if you want to switch a geom collision layer with lasers, just write in the onLaserHit part of the laser's script menu (e)=>{e.geom.collideSet=what you want}, where what you want is the collideset number (i.e 1=a; 2=b; 4=c; 8=d; 16=e; 32=f; 64=g and so on.)
If you want to switch collideset with two keys, just put two lasers, but if you want with one, make two lasers, simulation on and mark toggle in one of them, then press the key you assigned to the two lasers, and then tick the toggle on the other laser. Then put the collideSet function on the two lasers, but change the value for your preference.

If you didn't understand, that's not your fault! Just dissect one of my scenes, like Banjerboef's car fixed, and look at the lasers.

Thanks!! That's really helpful!