public void Update()
{
// Play nearest node :
GameObject playingNode = null;
float minDistance = 0F;
float currentDistance = 0F;
foreach (GameObject node in graphController.getVisibleNode())
{
currentDistance = Vector3.Distance(camera.transform.position, node.transform.position);
// First iteration
if (minDistance == 0F)
{
minDistance = currentDistance;
}
else
{
if (currentDistance < minDistance)
{
playingNode = node;
minDistance = currentDistance;
}
}
}
if (playingNode)
{
playingNode.GetComponent <NodeController> ().PlayMusic(askForValidation);
}
Frame frame = controller.Frame();
HandList hands = frame.Hands;
if (hands.Count == 1)
{
foreach (Hand hand in hands)
{
if (hand.GrabStrength == 0 || hand.GrabStrength == 1)
{
if (!gestureDetected)
{
gestureDetected = true;
startGestureTime = Time.time;
}
else if (Time.time - startGestureTime > 1)
{
// Driving enabled : handling user control
if (hand.GrabStrength == 0 && !askForValidation)
{
// Open Hand : driving
if (!driving)
{
drivingOriginPosition = hand.PalmPosition;
drivingOriginDirection = hand.Direction;
startDrivingMode(hand);
}
// Transform commands :
float deltaX = drivingOriginPosition.x - hand.PalmPosition.x;
float deltaY = drivingOriginPosition.y - hand.PalmPosition.y;
float deltaZ = drivingOriginPosition.z - hand.PalmPosition.z;
if (Math.Abs(deltaX) > drivingDistance)
{
transform.position -= transform.right * drivingVelocity * (deltaX / drivingDistance);
}
if (Math.Abs(deltaY) > drivingDistance)
{
transform.position -= transform.up * drivingVelocity * (deltaY / drivingDistance);
}
if (Math.Abs(deltaZ) > drivingDistance)
{
transform.position += transform.forward * drivingVelocity * (deltaZ / drivingDistance);
}
// Rotation commands :
if (Math.Abs(hand.Direction.Pitch) > drivingAngle)
{
float sign = hand.Direction.Pitch / Math.Abs(hand.Direction.Pitch);
transform.Rotate(-1 * sign * Math.Abs(hand.Direction.Pitch) / drivingAngle, 0, 0);
}
if (Math.Abs(hand.Direction.Yaw) > drivingAngle)
{
float sign = hand.Direction.Yaw / Math.Abs(hand.Direction.Yaw);
transform.Rotate(0, 1 * sign * Math.Abs(hand.Direction.Yaw) / drivingAngle, 0);
}
}
else if (hand.GrabStrength == 1 && !grabbing)
{
grabbing = true;
if (!askForValidation)
{
askForValidation = true;
}
else
{
askForValidation = false;
}
}
// TODO
}
}
else
{
startGestureTime = 0;
gestureDetected = false;
stopDrivingMode();
grabbing = false;
zooming = false;
}
}
}
else if (hands.Count == 2)
{
if (hands[0].PinchStrength == 1 || hands[1].PinchStrength == 1)
{
if (!gestureDetected)
{
gestureDetected = true;
startGestureTime = Time.time;
}
else if (Time.time - startGestureTime > 1)
{
zooming = true;
// Driving enabled : handling user control
// TODO
}
}
else
{
startGestureTime = 0;
gestureDetected = false;
stopDrivingMode();
grabbing = false;
zooming = false;
}
}
else
{
startGestureTime = 0;
gestureDetected = false;
stopDrivingMode();
grabbing = false;
zooming = false;
}
}
