// Drag the selected object in screenspace
private void Drag(Vector3 cursorPosition)
{
Vector3 projectedCursorPosition = new Vector3(cursorPosition.x, cursorPosition.y, _dragDepth);
Vector3 cursorWorldPosition = _camera.GetComponent <Camera>().ScreenToWorldPoint(projectedCursorPosition);
cursorWorldPosition += _dragOffset;
_ikTarget.position = cursorWorldPosition;
IKSolver.Evaluate(_ikHierarchy, _ikTarget);
}
