void Update()
{
var overlay = OpenVR.Overlay;
if (overlay == null)
{
return;
}
if (handle == OpenVR.k_ulOverlayHandleInvalid)
{
Utils.CreateOverlay(key, gameObject.name, ref handle);
}
var o = new Utils.OverlayHelper(handle);
if (texture != null && o.Valid)
{
o.Show();
o.SetColorWithAlpha(TransformColor(color));
o.SetWidthInMeters(width);
o.SetInputMethod(VROverlayInputMethod.None);
o.SetMouseScale(1, 1);
var offset = new SteamVR_Utils.RigidTransform(transform);
if (Utils.IsFacingHmd(transform))
{
o.SetFullTexture(texture);
}
else
{
offset.rot = offset.rot * Quaternion.AngleAxis(180, Vector3.up);
if (backface == null)
{
o.SetTexture(texture);
o.SetTextureBounds(1, 0, 0, 1);
}
else
{
o.SetFullTexture(backface);
}
}
o.SetTransformAbsolute(ETrackingUniverseOrigin.TrackingUniverseStanding, offset);
}
}
private void DoRenderTexture()
{
var o = new Utils.OverlayHelper(handle, false);
if (texture == null || !o.Valid)
{
return;
}
if (renderCamera)
{
renderCamera.Render();
}
if (isFacingHmd)
{
if (ShouldRenderTexture(texture))
{
o.SetTexture(texture);
}
o.FillTextureBounds();
}
else
{
if (backface == null)
{
if (ShouldRenderTexture(texture))
{
o.SetTexture(texture);
}
o.SetTextureBounds(1, 0, 0, 1);
}
else
{
if (ShouldRenderTexture(backface))
{
o.SetTexture(backface);
}
o.FillTextureBounds();
}
}
}