//todo: Fix left hand preference
private static void ProcessHand(IScene scene, GameObject hand, SteamVR_Input_Sources inputSource, ref GripInfo gripInfo)
{
if (hand == null)
{
return;
}
var handTransform = new Transform(1, hand.transform.rotation.ToClarity(true), hand.transform.position.ToClarity());
if (SteamVR_Actions.default_GrabGrip.GetStateDown(inputSource))
{
var handPosition = hand.transform.position.ToClarity();
var node = scene
.EnumerateAllNodes()
.Where(x => x.HasComponent <ManipulateInPresentationComponent>())
.Select(x => x.SearchComponent <ITransformable3DComponent>())
.Where(x => x != null)
.FirstOrDefault(x => (x.LocalBoundingSphere * x.Node.GlobalTransform).Contains(handPosition))
?.Node;
if (node != null)
{
var gripTransform = node.GlobalTransform * handTransform.Invert();
gripInfo = new GripInfo(node, gripTransform);
}
}
if (!SteamVR_Actions.default_GrabGrip.GetState(inputSource))
{
gripInfo = null;
return;
}
if (gripInfo == null)
{
return;
}
var newGlobalTransform = gripInfo.GripTransform * handTransform;
gripInfo.Node.Transform = newGlobalTransform *
(gripInfo.Node.ParentNode?.GlobalTransform.Invert() ?? Transform.Identity);
}
public GripInfo(ISceneNode node, Transform gripTransform)
{
Node = node;
GripTransform = gripTransform;
}
