// returns the model hit by the input ray, or current model if no other was hit
private Transform GetModelHit()
{
MultiARInterop.TrackableHit[] hits;
if (arManager.RaycastAllToScene(true, out hits))
{
MultiARInterop.TrackableHit hit = hits[0];
RaycastHit rayHit = (RaycastHit)hit.psObject;
// check for hitting the same model
if (currentModel != null)
{
for (int i = hits.Length - 1; i >= 0; i--)
{
hit = hits[i];
rayHit = (RaycastHit)hit.psObject;
if (rayHit.transform == currentModel)
{
return(currentModel);
}
}
}
// check for any of the models
if (rayHit.transform == model1)
{
return(model1);
}
else if (rayHit.transform == model2)
{
return(model2);
}
else if (rayHit.transform == model3)
{
return(model3);
}
}
return(currentModel);
}