public static float getHandClosedPercent(Hand hand)
{
float prob = 0.0f;
Leap.Vector palmNormal = hand.PalmNormal;
foreach (Finger finger in hand.Fingers)
{
prob += palmNormal.Dot(finger.Direction);
}
prob /= hand.Fingers.Count;
return(prob);
}
public static float getHandRotationAmount(Hand hand)
{
Leap.Vector normal = hand.PalmNormal;
Frame prevFrame = leapController.Frame(3);
if (prevFrame != null)
{
Hand prevHand = prevFrame.Hand(hand.Id);
if (prevFrame != null && prevHand.IsValid)
{
return(0.5f + normal.Dot(prevHand.PalmNormal) / 2.0f);
}
}
return(0.0f);
}
static LeapQuaternion RotationBetween(Vector fromDirection, Vector toDirection)
{
float m = Mathf.Sqrt(2.0f + 2.0f * fromDirection.Dot(toDirection));
Vector w = (1.0f / m) * fromDirection.Cross(toDirection);
return new LeapQuaternion(w.x, w.y, w.z, 0.5f * m);
}
protected override IDisposable SubscribeCore(ReactiveSpace spaceListener)
{
return
spaceListener
.ReactiveListener
.FingersMoves()
.Concat()
.ObserveOn(UI)
.Subscribe(c =>
{
var v = c.TipVelocity.To2D();
//v = new Vector(-c.TipVelocity.x, c.TipVelocity.y, 0);
var cos = Math.Cos(Helper.DegreeeToRadian(Rotation));
var sin = Math.Sin(Helper.DegreeeToRadian(Rotation));
var tan = new Vector((float)sin, (float)cos, 0);
var man = tan.Dot(v);
Rotation -= man / 100;
});
}