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import flash.events.Event;
import flash.events.KeyboardEvent;
 
var acceleration:Number=0.4;
var speed_decay:Number=0.96;
var rotation_step:Number=10;
var max_speed:Number=10;
var back_speed:Number=1;
var speed:Number=0;
var accelerate,brake,turn_left,turn_right:Boolean=false;
 
 
addEventListener(Event.ENTER_FRAME,init);
 
 
function init(e:Event):void {
    addEventListener(Event.ENTER_FRAME,on_enter_frame);
	stage.addEventListener(KeyboardEvent.KEY_DOWN,on_key_down);
	stage.addEventListener(KeyboardEvent.KEY_UP,on_key_up);
}
 
function on_enter_frame(e:Event):void {
	if (accelerate&&speed<max_speed) {
		speed+=acceleration;
	}
	if (brake&&speed>-1) {
		speed-=back_speed;
	}
	var speed_x:Number=Math.sin(rotation*0.0174532925)*speed;
	var speed_y:Number=- Math.cos(rotation*0.0174532925)*speed;
	if (turn_left) {
		bil.rotation -= rotation_step*(speed/max_speed);
	}
	if (turn_right) {
		bil.rotation += rotation_step*(speed/max_speed);
	}
	bil.y+=speed_y;
	bil.x+=speed_x;
 
	if (Math.abs(speed)>0.3) {
		speed*=speed_decay;
	}
	else {
		speed=0;
	}
}
 
function on_key_down(e:KeyboardEvent):void {
            if (e.keyCode==38) {
                accelerate=true;
            }
            if (e.keyCode==40) {
                brake=true;
            }
            if (e.keyCode==37) {
                turn_left=true;
            }
            if (e.keyCode==39) {
                turn_right=true;
            }
        }
        function on_key_up(e:KeyboardEvent):void {
            if (e.keyCode==38) {
                accelerate=false;
            }
            if (e.keyCode==40) {
                brake=false;
            }
            if (e.keyCode==37) {
                turn_left=false;
            }
            if (e.keyCode==39) {
                turn_right=false;
            }
        }
 
 
 
 

prog.cpp:1:1: error: ‘import’ does not name a type
prog.cpp:2:1: error: ‘import’ does not name a type
prog.cpp:4:1: error: ‘var’ does not name a type
prog.cpp:5:1: error: ‘var’ does not name a type
prog.cpp:6:1: error: ‘var’ does not name a type
prog.cpp:7:1: error: ‘var’ does not name a type
prog.cpp:8:1: error: ‘var’ does not name a type
prog.cpp:9:1: error: ‘var’ does not name a type
prog.cpp:10:1: error: ‘var’ does not name a type
prog.cpp:13:17: error: expected constructor, destructor, or type conversion before ‘(’ token
prog.cpp:16:1: error: ‘function’ does not name a type
prog.cpp:22:1: error: ‘function’ does not name a type
prog.cpp:48:1: error: ‘function’ does not name a type
prog.cpp:62:9: error: ‘function’ does not name a type

Standard output is empty