public AppModel()
{
CubeTransform = InitializeCubeTransform();
FrontHand = LeapManager.FrameArrived
.Select(f => f.Hands.Frontmost)
.Select(h => h?.IsValid == true ? h : null)
.ToReadOnlyReactiveProperty();
InnerProduct = FrontHand
.Select(h => h != null ? h.Direction.Dot(h.PalmNormal) : double.NaN)
.ToReadOnlyReactiveProperty();
EulerAngles_org = FrontHand
.Select(h => h != null ? h.GetEulerAngles_org() : new EulerAngles())
.ToReadOnlyReactiveProperty();
EulerAngles = FrontHand
.Select(h => h != null ? h.GetEulerAngles() : new EulerAngles())
.ToReadOnlyReactiveProperty();
//Rotation = EulerAngles_org
Rotation = EulerAngles
.Select(Rotation3DHelper.ToMatrix3D)
.ToReadOnlyReactiveProperty();
Rotation
.ObserveOn(SynchronizationContext.Current)
.Subscribe(m => matrixTransform.Matrix = m);
}
public static Quaternion ToQuaternion(this EulerAngles e) => CreateQuaternionInRadians(UnitY, e.Yaw) * CreateQuaternionInRadians(UnitX, e.Pitch) * CreateQuaternionInRadians(UnitZ, e.Roll);
public static Matrix3D ToMatrix3D(this EulerAngles e) => e.ToQuaternion().ToMatrix3D();