void MainLoop()
{
Layer[0] = new VRLayer(Session);
CameraCone cameraCone(this);
while (HandleMessages())
{
ActionFromInput();
// As we get eye poses, we also get the tracking state, for use later
ovrTrackingState trackingState = Layer[0]->GetEyePoses();
ovrTrackerPose trackerPose = ovr_GetTrackerPose(Session, 0);
for (int eye = 0; eye < 2; ++eye)
{
Layer[0]->RenderSceneToEyeBuffer(MainCam, RoomScene, eye);
// Lets clear the depth buffer, so we can see it clearly.
// even if that means sorting over the top.
// And also we have a different z buffer range, so would sort strangely
DIRECTX.Context->ClearDepthStencilView(Layer[0]->pEyeDepthBuffer[eye]->TexDsv, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1, 0);
// Note, we vary its visibility
// and also note the constant update of the camera's
// location and orientation from within the SDK
cameraCone.RenderToEyeBuffer(Layer[0], eye, &trackingState, &trackerPose, 0.625f);
}
Layer[0]->PrepareLayerHeader();
DistortAndPresent(1);
}
}
//-------------------------------------------------------------------------------------
int WINAPI WinMain(HINSTANCE hinst, HINSTANCE, LPSTR, int)
{
BasicVR basicVR(hinst);
basicVR.Layer[0] = new VRLayer(basicVR.HMD);
CameraCone cameraCone(&basicVR);
// Main loop
while (basicVR.HandleMessages())
{
basicVR.ActionFromInput();
// As we get eye poses, we also get the tracking state, for use later
ovrTrackingState trackingState = basicVR.Layer[0]->GetEyePoses();
// Now lets see how far off the volume we are
// But we don't want our game position, we only want our rift generated position,
// which we'll take as average of two positions.
Vector3f eye0 = (Vector3f) basicVR.Layer[0]->EyeRenderPose[0].Position;
Vector3f eye1 = (Vector3f) basicVR.Layer[0]->EyeRenderPose[1].Position;
float dist = cameraCone.DistToBoundary(((eye0+eye1)*0.5f),trackingState.CameraPose);
// We want it to be full visible at dist of 0.2 and below, but not becoming completely invisible
const float distFullVisible = 0.2f;
const float rateOfDimming = 4.0f;
const float minVisibility = 0.1f;
float visible = 1.0f - rateOfDimming*(dist-distFullVisible);
visible = max(visible,minVisibility);
visible = min(visible,1.0f);
for (int eye = 0; eye < 2; eye++)
{
// Render the proper scene, but adjust alpha
basicVR.Layer[0]->RenderSceneToEyeBuffer(basicVR.MainCam, basicVR.pRoomScene,eye,0,0,1,1-visible);
// Lets clear the depth buffer, so we can see it clearly.
// even if that means sorting over the top.
// And also we have a different z buffer range, so would sort strangely
DIRECTX.Context->ClearDepthStencilView(basicVR.Layer[0]->pEyeDepthBuffer[eye]->TexDsv, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1, 0);
// Note, we vary its visibility
cameraCone.RenderToEyeBuffer(basicVR.Layer[0],eye, &trackingState, visible);
}
basicVR.Layer[0]->PrepareLayerHeader();
basicVR.DistortAndPresent(1);
}
return (basicVR.Release(hinst));
}
