New version add 2 new elements: parachute and canon
Hi, new version add 2 new nodes:
-parachute - when is activates it try slowing vehicle to setting speed making opposite force, adding key [P], default activate key [L]
-canon - shoot blowing canon ball with setting speed, adding key [G], default shoot key [L Ctrl]
Now camera node is added by [L] and activate by 
Game show vehicle position above water level, horizontal and vertical speed.
Trees have now collision boxes and all nodes can be customise in inspector.