Stuff

ACTIONSCRIPT: 
onClipEvent (load) {
    power = 0.65;
    yspeed = 0;
    xspeed = 0;
    friction = 0.99;
    gravity = 0.1;
    thrust = 0.75;
    wind = 0.05;
}
onClipEvent (enterFrame) {
    if (Key.isDown(Key.LEFT)) {
        xspeed -= power;
    }
    if (Key.isDown(Key.RIGHT)) {
        xspeed += power;
    }
    if (Key.isDown(Key.UP)) {
        yspeed -= power*thrust;
    }
    if (Key.isDown(Key.DOWN)) {
        yspeed += power*thrust;
    }
    xspeed += wind;
    xspeed *= friction;
    yspeed += gravity;
    _y += yspeed;
    _x += xspeed;
    _rotation += xspeed;
}