//www.swfspot.com



//movement speed of the car

var speed=7;

//Compute pi/180. The value is used twice for each frame, so storing it as a variable saves CPU

var piOver180=Math.PI/180;

onEnterFrame=function(){

//If the left or right keys are down, rotate the wheels

if(Key.isDown(Key.LEFT)){

car.leftwheel._rotation=Math.min(24,Math.max(-24,car.leftwheel._rotation-5));

car.rightwheel._rotation=Math.min(24,Math.max(-24,car.rightwheel._rotation-5));

}

if(Key.isDown(Key.RIGHT)){

car.leftwheel._rotation=Math.min(24,Math.max(-24,car.leftwheel._rotation+4));

car.rightwheel._rotation=Math.min(24,Math.max(-24,car.rightwheel._rotation+4));

}

//check if the up or down keys are pressed

if(Key.isDown(Key.UP)||Key.isDown(Key.DOWN)){

//if the up key is down, the car moves forward

if(Key.isDown(Key.UP)){

carDirection=1;

//otherwise move the car backwards

}else{carDirection=-1;}

//default turning to false

turning=0;

//if the left or right keys are pressed, set turning to true and rotate the car

if(Key.isDown(Key.LEFT)){

turning=1;

car._rotation-=5*carDirection;

}

else if(Key.isDown(Key.RIGHT)){

turning=1;

car._rotation+=5*carDirection;

}

//if the car isn't turning, reset the rotation of the tires

if(!turning){

car.leftwheel._rotation=0;

car.rightwheel._rotation=0;

}

//move the car. The y coordinate plane is flipped in flash, so we use - instead of +

car._x+=Math.sin(car._rotation*piOver180)*speed*carDirection;

car._y-=Math.cos(car._rotation*piOver180)*(speed)*carDirection;

}

}