/// <summary>
/// Returns the object under the specified position.
/// </summary>
static public bool Raycast(Vector3 inPos, out RaycastHit hit)
{
for (int i = 0; i < mList.Count; ++i)
{
UICamera cam = mList[i];
// Skip inactive scripts
if (!cam.enabled || !NGUITools.GetActive(cam.gameObject))
{
continue;
}
// Convert to view space
currentCamera = cam.cachedCamera;
Vector3 pos = currentCamera.ScreenToViewportPoint(inPos);
if (float.IsNaN(pos.x) || float.IsNaN(pos.y))
{
continue;
}
// CORE HACK by Tuukka Takala
// If it's outside the camera's viewport, do nothing
// if (pos.x < 0f || pos.x > 1f || pos.y < 0f || pos.y > 1f) continue;
Ray ray;
// if(ruisCamera != null && ruisCamera.associatedDisplay != null)
{
if (UnityEngine.VR.VRSettings.enabled && currentCamera.stereoTargetEye != StereoTargetEyeMask.None) // if(ruisCamera.associatedDisplay.isHmdDisplay)
{
// *** TODO remove this hack when Camera.ScreenPointToRay() works again
ray = RUISDisplayManager.HMDScreenPointToRay(inPos, currentCamera);
}
else
{
ray = currentCamera.ScreenPointToRay(inPos);
if (ruisCamera && ruisCamera.associatedDisplay != null && ruisCamera.associatedDisplay.isObliqueFrustum)
{
Quaternion outerRot = ruisCamera.transform.rotation;
Quaternion wallOrientation = Quaternion.LookRotation(-ruisCamera.associatedDisplay.DisplayNormal,
ruisCamera.associatedDisplay.DisplayUp);
// *** HACK why is this sign flip necessary to keep the menu at right place??
outerRot = new Quaternion(outerRot.x, outerRot.y, -outerRot.z, outerRot.w);
ray.origin += outerRot * ruisCamera.KeystoningHeadTrackerPosition;
if (displayManager)
{
ray.origin -= outerRot * (new Vector3(displayManager.guiX, displayManager.guiY, displayManager.guiZ));
}
// ray.direction = wallOrientation * ray.direction;
}
}
}
// else
// ray = currentCamera.ScreenPointToRay(inPos);
// END CORE HACK
// Cast a ray into the screen
// Ray ray = currentCamera.ScreenPointToRay(inPos);
// Raycast into the screen
int mask = currentCamera.cullingMask & (int)cam.eventReceiverMask;
float dist = (cam.rangeDistance > 0f) ? cam.rangeDistance : currentCamera.farClipPlane - currentCamera.nearClipPlane;
// If raycasts should be clipped by panels, we need to find a panel for each hit
if (cam.clipRaycasts)
{
RaycastHit[] hits = Physics.RaycastAll(ray, dist, mask);
if (hits.Length > 1)
{
System.Array.Sort(hits, delegate(RaycastHit r1, RaycastHit r2) { return(r1.distance.CompareTo(r2.distance)); });
for (int b = 0, bmax = hits.Length; b < bmax; ++b)
{
if (IsVisible(ref hits[b]))
{
hit = hits[b];
return(true);
}
}
}
else if (hits.Length == 1 && IsVisible(ref hits[0]))
{
hit = hits[0];
return(true);
}
continue;
}
if (Physics.Raycast(ray, out hit, dist, mask))
{
return(true);
}
}
hit = mEmpty;
return(false);
}
void LateUpdate()
{
// If we are in calibration scene, disable 3d cursor
if (this.transform.parent == null)
{
this.enabled = false;
return;
}
// TODO: instead of searching hierarchy on every frame, find the UICameras more efficiently
uiCamera = ruisCamera.transform.GetComponentInChildren <UICamera>(); //menuScript.transform.parent.parent.GetComponentsInChildren<UICamera>();
if (menuScript.menuIsVisible && !instancedCursor)
{
instancedCursor = Instantiate(this.markerObject) as GameObject;
}
if (!menuScript.menuIsVisible && instancedCursor)
{
Destroy(instancedCursor);
}
if (!menuScript.menuIsVisible)
{
return;
}
mouseInputCoordinates = Input.mousePosition;
if (ruisCamera.centerCamera)
{
if (instancedCursor)
{
instancedCursor.transform.rotation = ruisCamera.centerCamera.transform.rotation;
}
}
else
{
if (instancedCursor)
{
instancedCursor.transform.rotation = ruisCamera.transform.rotation;
}
}
// HACK for MecanimBlendedCharacter: Keep cursor visible size even if character is scaled
if (menuScript.transform.parent)
{
instancedCursor.transform.localScale = originalLocalScale * Mathf.Max(menuScript.transform.parent.lossyScale.x, menuScript.transform.parent.lossyScale.y);
}
RaycastHit hit;
if (uiCamera)
{
/*
* if(!ruisCamera.associatedDisplay.isStereo
* && (camera.gameObject.name == "CameraLeft"
|| camera.gameObject.name == "CameraRight"
|| camera.gameObject.name == "guiCameraForRift"
||))
||{
|| camera.enabled = false;
|| continue;
||}
||
||if(ruisCamera.associatedDisplay.isStereo
|| && !ruisCamera.associatedDisplay.enableOculusRift
|| && !(camera.gameObject.name == "CameraLeft"
|| camera.gameObject.name == "CameraRight"
|| ))
|| {
|| camera.enabled = false;
|| continue;
|| }
||if(ruisCamera.associatedDisplay.enableOculusRift
|| && camera.gameObject.name != "guiCameraForRift")
|| {
|| camera.enabled = false;
|| continue;
|| }
*/
Ray ray;
Camera rayCamera = uiCamera.GetComponent <Camera>();
if (rayCamera)
{
if (UnityEngine.XR.XRSettings.enabled && rayCamera.stereoTargetEye != StereoTargetEyeMask.None) // if(ruisCamera.associatedDisplay != null && ruisCamera.associatedDisplay.isHmdDisplay)
{
// *** TODO remove this hack when Camera.ScreenPointToRay() works again
ray = RUISDisplayManager.HMDScreenPointToRay(mouseInputCoordinates, rayCamera);
}
else
{
ray = rayCamera.ScreenPointToRay(mouseInputCoordinates);
}
}
else
{
ray = new Ray();
}
if (ruisCamera.associatedDisplay != null && ruisCamera.associatedDisplay.isObliqueFrustum)
{
Quaternion outerRot = ruisCamera.transform.rotation;
wallOrientation = Quaternion.LookRotation(-ruisCamera.associatedDisplay.DisplayNormal, ruisCamera.associatedDisplay.DisplayUp);
// *** HACK why is this sign flip necessary to keep the menu at right place??
outerRot = new Quaternion(outerRot.x, outerRot.y, -outerRot.z, outerRot.w);
instancedCursor.transform.rotation = outerRot * wallOrientation;
trackerPosition = outerRot * ruisCamera.KeystoningHeadTrackerPosition;
ray.origin += trackerPosition - outerRot * (new Vector3(ruisDisplayManager.guiX,
ruisDisplayManager.guiY,
ruisDisplayManager.guiZ));
// ray.direction = wallOrientation * ray.direction;
}
if (Physics.Raycast(ray, out hit, Mathf.Infinity, LayerMask.GetMask(LayerMask.LayerToName(ruisDisplayManager.menuLayer))))
{
if (instancedCursor)
{
instancedCursor.transform.position = hit.point;
if (!wasVisible)
{
instancedCursor.SetActive(true);
}
wasVisible = true;
}
#if UNITY_EDITOR
Debug.DrawLine(ray.origin, hit.point);
#endif
}
else
{
if (wasVisible)
{
instancedCursor.SetActive(false);
}
wasVisible = false;
}
}
}
