private void OnHandInteractionStateChanged(GameObject target, PalmState fromState, PalmState toState)
{
if (!_stereoCameraObjectOutline)
{
_stereoCameraObjectOutline = GameObject.FindObjectOfType <StereoCameraObjectOutline>();
if (!_stereoCameraObjectOutline)
{
return;
}
}
InteractionObjectOutlineSettings settings = target.GetComponent <InteractionObjectOutlineSettings>();
if (settings)
{
OutlineObjectVisualDecorator decorator = target.GetComponent <OutlineObjectVisualDecorator>();
if (!decorator)
{
decorator = target.AddComponent <OutlineObjectVisualDecorator>();
decorator.hideFlags = HideFlags.HideInInspector;
}
//Add or remove based on the event
decorator.ChangeColorBasedOnState(toState);
if (toState == PalmState.Idle)
{
_stereoCameraObjectOutline.RemoveOutlinedObject(decorator);
}
else if ((toState == PalmState.Hovering || toState == PalmState.Grabbing) && fromState == PalmState.Idle)
{
_stereoCameraObjectOutline.AddOutlinedObject(decorator);
}
}
}
/// <summary>
/// Adds an object to be outlined.
/// </summary>
/// <param name="decorator"></param>
internal void AddOutlinedObject(OutlineObjectVisualDecorator decorator)
{
if (_decorators.Contains(decorator))
{
return;
}
_decorators.Add(decorator);
DrawOutline(decorator);
}
/// <summary>
/// Removes an object from those to be outlined.
/// </summary>
/// <param name="decorator"></param>
internal void RemoveOutlinedObject(OutlineObjectVisualDecorator decorator)
{
if (_decorators.Remove(decorator))
{
_renderCommands.Clear();
foreach (var dec in _decorators)
{
DrawOutline(dec);
}
}
}
private void DrawOutline(OutlineObjectVisualDecorator decorator)
{
List <GameObject> objectsToOutline = decorator.GetObjectsToDecorate();
foreach (var go in objectsToOutline)
{
Renderer renderer = go.GetComponent <Renderer>();
if (renderer)
{
for (int i = 0; i < renderer.sharedMaterials.Length; ++i)
{
_renderCommands.DrawRenderer(renderer, decorator.OutlineMaterial, i);
}
}
}
}
