private void EyeRaycast()
{
// Show the debug ray if required
if (m_ShowDebugRay)
{
Debug.DrawRay(m_Camera.position, m_Camera.forward * m_DebugRayLength, Color.blue, m_DebugRayDuration);
}
// Create a ray that points forwards from the camera.
Ray ray = new Ray(m_Camera.position, m_Camera.forward);
RaycastHit hit;
// Do the raycast forweards to see if we hit an interactive item
if (Physics.Raycast(ray, out hit, m_RayLength, ~m_ExclusionLayers))
{
SVRInteractable interactible = hit.collider.GetComponent <SVRInteractable>(); //attempt to get the VRInteractiveItem on the hit object
m_CurrentInteractible = interactible;
// If we hit an interactive item and it's not the same as the last interactive item, then call Over
if (interactible && interactible != m_LastInteractible)
{
interactible.Over();
}
// Deactive the last interactive item
if (interactible != m_LastInteractible)
{
DeactiveLastInteractible();
}
m_LastInteractible = interactible;
// Something was hit, set at the hit position.
if (m_Reticle)
{
m_Reticle.SetPosition(hit);
m_Reticle.ReticleImage.color = Color.green;
}
if (OnRaycasthit != null)
{
OnRaycasthit(hit);
}
}
else
{
// Nothing was hit, deactive the last interactive item.
DeactiveLastInteractible();
m_CurrentInteractible = null;
// Position the reticle at default distance.
if (m_Reticle)
{
m_Reticle.SetPosition();
m_Reticle.ReticleImage.color = Color.red;
}
}
}
private void DeactiveLastInteractible()
{
if (m_LastInteractible == null)
{
return;
}
m_LastInteractible.Out();
m_LastInteractible = null;
}
