AS2.0 Functions for Objects Control (Adobe Flash CS5)

gistfile1.txt

var upPressed:Boolean = false;
var downPressed:Boolean = false;
var leftPressed:Boolean = false;
var rightPressed:Boolean = false;

bola.addEventListener(Event.ENTER_FRAME, fl_MoveInDirectionOfKey);
stage.addEventListener(KeyboardEvent.KEY_DOWN, fl_SetKeyPressed);
stage.addEventListener(KeyboardEvent.KEY_UP, fl_UnsetKeyPressed);

function fl_MoveInDirectionOfKey(event:Event)
{
	if (upPressed)
	{
		bola.y -= 5;
	}
	if (downPressed)
	{
		bola.y += 5;
	}
	if (leftPressed)
	{
		bola.x -= 5;
	}
	if (rightPressed)
	{
		bola.x += 5;
	}
}

function fl_SetKeyPressed(event:KeyboardEvent):void
{
	switch (event.keyCode)
	{
		case Keyboard.UP:
		{
			upPressed = true;
			break;
		}
		case Keyboard.DOWN:
		{
			downPressed = true;
			break;
		}
		case Keyboard.LEFT:
		{
			leftPressed = true;
			break;
		}
		case Keyboard.RIGHT:
		{
			rightPressed = true;
			break;
		}
	}
}

function fl_UnsetKeyPressed(event:KeyboardEvent):void
{
	switch (event.keyCode)
	{
		case Keyboard.UP:
		{
			upPressed = false;
			break;
		}
		case Keyboard.DOWN:
		{
			downPressed = false;
			break;
		}
		case Keyboard.LEFT:
		{
			leftPressed = false;
			break;
		}
		case Keyboard.RIGHT:
		{
			rightPressed = false;
			break;
		}
	}
}