void Update()
{
int numberOfTouches = tuio.Cursors.Length;
if (numberOfTouches == 1)
{
Vector2 touch = new Vector2(tuio.Cursors [0].X, tuio.Cursors [0].Y);
if (gesture != GesturesType.DRAG)
{
_lastDrag = touch;
gesture = GesturesType.DRAG;
}
else
{
float d = Vector2.Distance(touch, _lastDrag);
Vector2 dir = touch - _lastDrag;
dir.Normalize();
obj.localPosition = obj.localPosition + obj.parent.forward * d * dragFactor * -dir.y;
_lastDrag = touch;
}
}
else if (numberOfTouches == 2)
{
Vector2 touch0 = new Vector2(tuio.Cursors [0].X, tuio.Cursors [0].Y);
Vector2 touch1 = new Vector2(tuio.Cursors [1].X, tuio.Cursors [1].Y);
float distance = Vector2.Distance(touch0, touch1);
if (gesture != GesturesType.PINCH)
{
_lastPinchDistance = distance;
gesture = GesturesType.PINCH;
}
else
{
float d = distance / _lastPinchDistance;
obj.localScale = obj.localScale * d;
_lastPinchDistance = distance;
}
}
else if (numberOfTouches == 3)
{
Vector2 touch0 = new Vector2(tuio.Cursors [0].X, tuio.Cursors [0].Y);
Vector2 touch1 = new Vector2(tuio.Cursors [1].X, tuio.Cursors [1].Y);
Vector2 touch2 = new Vector2(tuio.Cursors [2].X, tuio.Cursors [2].Y);
Vector2 touch = (touch0 + touch1 + touch2) / 3;
if (gesture != GesturesType.TILT)
{
_lastTilt = touch;
gesture = GesturesType.TILT;
}
else
{
float d = Vector2.Distance(touch, _lastTilt);
Vector2 dir = touch - _lastTilt;
dir.Normalize();
//obj.localPosition = obj.localPosition + obj.forward * d * dragFactor * -dir.y;
obj.Rotate(d * -dir.y * tiltFactor, 0, 0);
_lastTilt = touch;
}
}
else
{
gesture = GesturesType.NONE;
}
}
void Start()
{
gesture = GesturesType.NONE;
_lastDrag = Vector2.zero;
_lastPinchDistance = 0f;
}