void Start()
{
var ctlr = Controller;
if (ctlr == null)
{
Debug.LogError("NvrEye must be child of a StereoController.");
enabled = false;
return;
}
// Save reference to the found controller and it's camera.
controller = ctlr;
monoCamera = controller.GetComponent <Camera>();
SetupStereo(/*forceUpdate=*/ true);
}
/// Helper to copy camera settings from the controller's mono camera. Used in SetupStereo() and
/// in the custom editor for StereoController. The parameters parx and pary, if not left at
/// default, should come from a projection matrix returned by the SDK. They affect the apparent
/// depth of the camera's window. See SetupStereo().
public void CopyCameraAndMakeSideBySide(NvrStereoController controller,
float parx = 0, float pary = 0)
{
#if UNITY_EDITOR
// Member variable 'cam' not always initialized when this method called in Editor.
// So, we'll just make a local of the same name.
var cam = GetComponent <Camera>();
#endif
// Same for controller's camera, but it can happen at runtime too (via AddStereoRig on
// StereoController).
var monoCamera =
controller == this.controller ? this.monoCamera : controller.GetComponent <Camera>();
float ipd = NvrProfile.Default.viewer.lenses.separation * controller.stereoMultiplier;
Vector3 localPosition = Application.isPlaying ?
transform.localPosition : (eye == NvrViewer.Eye.Left ? -ipd / 2 : ipd / 2) * Vector3.right;;
// Sync the camera properties.
cam.CopyFrom(monoCamera);
cam.cullingMask ^= toggleCullingMask.value;
// Not sure why we have to do this, but if we don't then switching between drawing to
// the main screen or to the stereo rendertexture acts very strangely.
cam.depth = eye == NvrViewer.Eye.Left ? monoCamera.depth + 1 : monoCamera.depth + 2;
// Reset transform, which was clobbered by the CopyFrom() call.
// Since we are a child of the mono camera, we inherit its transform already.
transform.localPosition = localPosition;
transform.localRotation = Quaternion.identity;
transform.localScale = Vector3.one;
Skybox monoCameraSkybox = monoCamera.GetComponent <Skybox>();
Skybox customSkybox = GetComponent <Skybox>();
if (monoCameraSkybox != null)
{
if (customSkybox == null)
{
customSkybox = gameObject.AddComponent <Skybox>();
}
customSkybox.material = monoCameraSkybox.material;
}
else if (customSkybox != null)
{
Destroy(customSkybox);
}
// Set up side-by-side stereo.
// Note: The code is written this way so that non-fullscreen cameras
// (PIP: picture-in-picture) still work in stereo. Even if the PIP's content is
// not going to be in stereo, the PIP itself still has to be rendered in both eyes.
Rect rect = cam.rect;
// Move away from edges if padding requested. Some HMDs make the edges of the
// screen a bit hard to see.
Vector2 center = rect.center;
center.x = Mathf.Lerp(center.x, 0.5f, 0);
center.y = Mathf.Lerp(center.y, 0.5f, 0);
rect.center = center;
// Semi-hacky aspect ratio adjustment because the screen is only half as wide due
// to side-by-side stereo, to make sure the PIP width fits.
float width = Mathf.SmoothStep(-0.5f, 0.5f, (rect.width + 1) / 2);
rect.x += (rect.width - width) / 2;
rect.width = width;
// Divide the outside region of window proportionally in each half of the screen.
rect.x *= (0.5f - rect.width) / (1 - rect.width);
if (eye == NvrViewer.Eye.Right)
{
rect.x += 0.5f; // Move to right half of the screen.
}
// Adjust the window for requested parallax. This affects the apparent depth of the
// window in the main camera's screen. Useful for PIP windows only, where rect.width < 1.
float parallax = Mathf.Clamp01(0);
if (monoCamera.rect.width < 1 && parallax > 0)
{
// Note: parx and pary are signed, with opposite signs in each eye.
rect.x -= parx / 4 * parallax; // Extra factor of 1/2 because of side-by-side stereo.
rect.y -= pary / 2 * parallax;
}
if (NvrViewer.USE_DTR && NvrGlobal.supportDtr && Application.platform == RuntimePlatform.Android)
{
// DTR&DFT的Android模式左右眼视窗大小均为0~1
rect = new Rect(0, 0, 1, 1);
}
cam.rect = rect;
// cam.backgroundColor = eye == NvrViewer.Eye.Left ? Color.green : Color.blue;
}
