private protected void OnTouchesEnded(List <CCTouch> touches, CCEvent touchEvent)
{
if (!Pressed)
{
return;
}
// start inert scrolling
if (Scroller != null)
{
Scroller.OnTouchesEnded(touches, touchEvent);
}
switch (touches.Count)
{
case 1:
{
}
break;
default:
break;
}
Pressed = false;
}
private protected void OnTouchesMovedMoveAndZoom(List <CCTouch> touches, CCEvent touchEvent)
{
if (!Pressed)
{
return;
}
//Console.WriteLine("touches.Count: " + touches.Count);
//Console.WriteLine("TouchCount: " + TouchCount);
switch (touches.Count)
{
case 1:
{
if (TouchCount == 2)
{
goto zoom;
}
// move the camera
if (Scroller != null)
{
Scroller.OnTouchesMoved(touches, touchEvent);
}
}
break;
case 2:
zoom:
{
// check for zoom
float zoomFactor = 1f;
CCTouch touch1 = touches[0];
CCTouch touch2 = null;
CCPoint touch1Loc = touch1.Location;
CCPoint touch2Loc = CCPoint.Zero;
if (touches.Count == 2)
{
touch2 = touches[1];
touch2Loc = touch2.Location;
zoomFactor = MyTouchExtensions.GetZoom(touch1, touch2);
}
else
{
foreach (var touch in ActiveTouches.Keys)
{
if (touch != touch1)
{
touch2Loc = ActiveTouches[touch];
}
}
zoomFactor = MyTouchExtensions.GetZoomOneTouchMoving(touch1, touch2Loc);
}
if (!float.IsNaN(zoomFactor))
{
var oldCameraSize = new CCSize(CameraSize.Width, CameraSize.Height);
CameraSize = new CCSize(oldCameraSize.Width * zoomFactor, oldCameraSize.Height * zoomFactor);
float dw = CameraSize.Width - oldCameraSize.Width;
float dh = CameraSize.Height - oldCameraSize.Height;
CCPoint touchCenter = new CCPoint((touch1Loc.X + touch2Loc.X) / 2, (touch1Loc.Y + touch2Loc.Y) / 2);
float relativeX = (touchCenter.X - CameraPosition.X) / oldCameraSize.Width;
float relativeY = (touchCenter.Y - CameraPosition.Y) / oldCameraSize.Height;
CameraPosition = new CCPoint(CameraPosition.X - dw * relativeX, CameraPosition.Y - dh * relativeY);
UpdateCamera();
}
}
break;
default:
break;
}
}
private protected override void OnTouchesEndedUI(List <CCTouch> touches, CCEvent touchEvent)
{
// start inert scrolling
Scroller.OnTouchesEnded(touches, touchEvent);
}
public override void Update(float dt)
{
base.Update(dt);
// scroll on using inertia
Scroller.Update(dt);
}
private protected override void OnTouchesBeganUI(List <CCTouch> touches, CCEvent touchEvent)
{
// stop all scrolling
Scroller.OnTouchesBegan(touches, touchEvent);
}
