stir control with key as3

Baca Juga

var keyLeft = false;
var keyRight = false;
var balikLeft = false;
var balikRight = false;
var rotationSpeed;

stage.addEventListener(KeyboardEvent.KEY_DOWN, tekanKey);
stir.addEventListener(Event.ENTER_FRAME, stirEnterFrame);
stage.addEventListener(KeyboardEvent.KEY_UP, lepas);
function tekanKey(control)
{


 if (control.keyCode == 37)
 {
  keyLeft = true;
  rotationSpeed = 5;

 }
 else if (control.keyCode == 39)
 {
  keyRight = true;
  rotationSpeed = 5;
 }
}


function lepas(control)
{

 if (control.keyCode == 37)
 {
  keyLeft = false;
  balikLeft = true;
  rotationSpeed = 1;
 }
 else if (control.keyCode == 39)
 {
  keyRight = false;
  balikRight = true;
  rotationSpeed = 1;
 }
}




function stirEnterFrame(control)
{

 var velocity = 0;

 if (keyLeft&& control.currentTarget.rotation>-90 )
 {

  control.currentTarget.rotation -=  rotationSpeed;

 }
 else if (keyRight && control.currentTarget.rotation<90)
 {
  // rotate the object
  control.currentTarget.rotation +=  rotationSpeed;
 }
 else if (balikLeft)
 {

  if (stir.rotation < 0)
  {
   control.currentTarget.rotation +=  rotationSpeed;
  }
  else
  {
   balikLeft = false;

  }

 }
 else if (balikRight)
 {

  if (stir.rotation > 0)
  {
   control.currentTarget.rotation -=  rotationSpeed;

  }
  else
  {
   balikRight = false;

  }

 }


 var putaran = control.currentTarget.rotation / 180 * Math.PI;


 control.currentTarget.x +=  Math.cos(putaran) * velocity;
 control.currentTarget.y +=  Math.sin(putaran) * velocity;

}