private void StartGrab(InputSource inputSource, Spatial target)
{
if (GrabActive || target == null || !Godot.Object.IsInstanceValid(target))
{
return;
}
CurrentGrabbedTarget = target;
_currentInputSource = inputSource;
var targetTransform = CurrentGrabbedTarget.GlobalTransform;
_manipulator = new Spatial()
{
Name = "manipulator"
};
inputSource.GetTree().Root.AddChild(_manipulator);
_manipulator.GlobalTransform = targetTransform;
_previousParent = CurrentGrabbedTarget.GetParent();
_previousParent.RemoveChild(CurrentGrabbedTarget);
_manipulator.AddChild(CurrentGrabbedTarget);
CurrentGrabbedTarget.GlobalTransform = targetTransform;
_manipulatorPosInToolSpace = _currentInputSource.ToLocal(_manipulator.GlobalTransform.origin);
_manipulatorupInToolSpace = _currentInputSource.ToLocal(_manipulator.GlobalTransform.basis.y);
_manipulatorLookAtPosInToolSpace = _currentInputSource.ToLocal(_manipulator.GlobalTransform.origin - _manipulator.GlobalTransform.basis.z);
}
