Moving an Object in a Specific Direction
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package {
import flash.display.Sprite;
import flash.events.Event;
import flash.events.TimerEvent;
import flash.utils.Timer;
public class Main extends Sprite {
private var _sprite:Sprite = new Sprite( );
private var _angle:Number = 135;
private var _speed:Number = 4;
private var _timer:Timer;
public function Main ( ) {
_sprite.graphics.beginFill(0x0000ff, 100);
_sprite.graphics.drawCircle(0, 0, 5);
_sprite.graphics.endFill( );
_sprite.x = 300;
_sprite.y = 100;
addChild(_sprite);
_timer = new Timer(3);
_timer.addEventListener("timer", onTimer);
_timer.start( );
}
public function onTimer(event:TimerEvent):void {
var radians:Number = _angle * Math.PI / 180;
var vx:Number = Math.cos(radians) * _speed;
var vy:Number = Math.sin(radians) * _speed;
_sprite.x += vx;
_sprite.y += vy;
}
}
}
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