private SceneRaycastHit GetSceneHitForGridSnap()
{
Ray pickRay = RTInputDevice.Get.Device.GetRay(RTFocusCamera.Get.TargetCamera);
SceneRaycastFilter raycastFilter = new SceneRaycastFilter();
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh);
return(RTScene.Get.Raycast(pickRay, SceneRaycastPrecision.BestFit, raycastFilter));
}
/// <summary>
/// Called form the 'Update' function whenever the input device is moved. This function
/// will snap the target object to the surface hovered by the mouse cursor.
/// </summary>
private void OnInputDeviceMoved(IInputDevice inputDevice)
{
// We will need to perform a raycast to check what lies underneath the mouse cursor.
// In order to do this, we will first create a raycast filter instance to specify
// additional information for the raycast...
SceneRaycastFilter raycastFilter = new SceneRaycastFilter();
raycastFilter.LayerMask = _objectSurfaceLayers; // The ray can hit only objects belonging to these layers
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh); // Allow the ray to hit mesh objects
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Terrain); // Allow the ray to hit terrain objects
raycastFilter.IgnoreObjects.AddRange(_targetHierarchy.GetAllChildrenAndSelf()); // The ray can not hit the target object (i.e. the object we are snapping)
// Perform the raycast. If nothing is hit, just return.
SceneRaycastHit raycastHit = RTScene.Get.Raycast(inputDevice.GetRay(RTFocusCamera.Get.TargetCamera), SceneRaycastPrecision.BestFit, raycastFilter);
if (!raycastHit.WasAnythingHit)
{
return;
}
// If we reach this point we know that something was hit. We just need to find out what and based
// on what was hit, we need to fill the necessary information in the snap config instance. Basically,
// we need to specify surface inf such as the surface normal, hit point, the object that acts as the
// snap surface etc. This info is extracted from the raycast hit instance differently depending on
// whether we hit a game object or the scene grid.
if (raycastHit.WasAnObjectHit)
{
// We hit an object. Get its type and return if it's not a mesh or terrain.
GameObjectType objectType = raycastHit.ObjectHit.HitObject.GetGameObjectType();
if (objectType != GameObjectType.Mesh && objectType != GameObjectType.Terrain)
{
return;
}
// We are dealing with a mesh or terrain object. Extract the surface info from the 'ObjectHit'
// field of the raycast hit instance.
_snapConfig.SurfaceHitNormal = raycastHit.ObjectHit.HitNormal;
_snapConfig.SurfaceHitPlane = raycastHit.ObjectHit.HitPlane;
_snapConfig.SurfaceHitPoint = raycastHit.ObjectHit.HitPoint;
_snapConfig.SurfaceObject = raycastHit.ObjectHit.HitObject;
_snapConfig.SurfaceType = objectType == GameObjectType.Mesh ? ObjectSurfaceSnap.Type.Mesh : ObjectSurfaceSnap.Type.UnityTerrain;
}
else
{
// The scene grid was hit. Extract the surface info from the 'GridHit'
// field of the raycast hit instance.
_snapConfig.SurfaceHitNormal = raycastHit.GridHit.HitNormal;
_snapConfig.SurfaceHitPlane = raycastHit.GridHit.HitPlane;
_snapConfig.SurfaceHitPoint = raycastHit.GridHit.HitPoint;
_snapConfig.SurfaceType = ObjectSurfaceSnap.Type.SceneGrid;
}
// Call 'ObjectSurfaceSnap.SnapHierarchy' on the target hierarchy and pass the snap config data along.
// Note: The function requires that we first set the position of the hierarchy to the surface hit point.
_targetHierarchy.transform.position = _snapConfig.SurfaceHitPoint;
ObjectSurfaceSnap.SnapHierarchy(_targetHierarchy, _snapConfig);
}
private bool IdentifySitSurface()
{
_sitSurface.SurfaceType = SitSurfaceType.Invalid;
SceneRaycastFilter raycastFilter = new SceneRaycastFilter();
if (SharedSettings.CanClimbObjects)
{
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh);
}
foreach (var target in _targetParents)
{
raycastFilter.IgnoreObjects.AddRange(target.GetAllChildrenAndSelf());
}
IInputDevice inputDevice = RTInputDevice.Get.Device;
SceneRaycastHit raycastHit = RTScene.Get.Raycast(inputDevice.GetRay(RTFocusCamera.Get.TargetCamera), SceneRaycastPrecision.BestFit, raycastFilter);
if (!raycastHit.WasAnythingHit)
{
return(false);
}
if (raycastHit.WasAnObjectHit && raycastHit.WasGridHit)
{
if (raycastHit.ObjectHit.HitEnter < raycastHit.GridHit.HitEnter)
{
_sitSurface.SitPlane = raycastHit.ObjectHit.HitPlane;
_sitSurface.SitPoint = raycastHit.ObjectHit.HitPoint;
_sitSurface.SurfaceType = SitSurfaceType.Object;
}
else
{
_sitSurface.SitPlane = raycastHit.GridHit.HitPlane;
_sitSurface.SitPoint = raycastHit.GridHit.HitPoint;
_sitSurface.SurfaceType = SitSurfaceType.Grid;
}
}
else
if (raycastHit.WasAnObjectHit)
{
_sitSurface.SitPlane = raycastHit.ObjectHit.HitPlane;
_sitSurface.SitPoint = raycastHit.ObjectHit.HitPoint;
_sitSurface.SurfaceType = SitSurfaceType.Object;
}
else
if (raycastHit.WasGridHit)
{
_sitSurface.SitPlane = raycastHit.GridHit.HitPlane;
_sitSurface.SitPoint = raycastHit.GridHit.HitPoint;
_sitSurface.SurfaceType = SitSurfaceType.Grid;
}
return(true);
}
public static GameObject SpawnInFrontOfCamera(GameObject sourceObject, Camera camera, Config config)
{
float halfSize = config.ObjectSize * 0.5f;
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(1.0f);
Transform cameraTransform = camera.transform;
AABB aabb = ObjectBounds.CalcHierarchyWorldAABB(sourceObject, boundsQConfig);
if (!aabb.IsValid)
{
return(null);
}
Sphere sphere = new Sphere(aabb);
Vector3 fromCenterToPos = sourceObject.transform.position - sphere.Center;
float zOffset = Mathf.Max(camera.nearClipPlane + sphere.Radius, sphere.Radius / halfSize);
Vector3 spherePos = cameraTransform.position + cameraTransform.forward * zOffset;
GameObject spawned = GameObject.Instantiate(sourceObject, spherePos + fromCenterToPos, sourceObject.transform.rotation) as GameObject;
spawned.SetActive(true);
//VRCTS
spawned.name = sourceObject.name;
OBB spawnedOBB = ObjectBounds.CalcHierarchyWorldOBB(spawned, boundsQConfig);
Ray ray = new Ray(camera.transform.position, (spawnedOBB.Center - camera.transform.position).normalized);
var raycastFilter = new SceneRaycastFilter();
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh);
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Terrain);
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Sprite);
var rayHit = RTScene.Get.Raycast(ray, SceneRaycastPrecision.BestFit, raycastFilter);
if (rayHit.WasAnObjectHit)
{
Vector3 oldCenter = spawnedOBB.Center;
spawnedOBB.Center = rayHit.ObjectHit.HitPoint;
Vector3 offsetVector = spawnedOBB.Center - oldCenter;
offsetVector += ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(spawnedOBB, rayHit.ObjectHit.HitPlane, 0.0f);
spawned.transform.position += offsetVector;
}
return(spawned);
}
private bool IdentifyGrabSurface()
{
_grabSurfaceInfo.SurfaceType = GrabSurfaceType.Invalid;
SceneRaycastFilter raycastFilter = new SceneRaycastFilter();
raycastFilter.LayerMask = SharedSettings.SurfaceLayers;
if ((SharedSettings.SurfaceFlags & ObjectGrabSurfaceFlags.Mesh) != 0)
{
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh);
}
if ((SharedSettings.SurfaceFlags & ObjectGrabSurfaceFlags.Terrain) != 0)
{
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Terrain);
}
foreach (GrabTarget grabTarget in _grabTargets)
{
raycastFilter.IgnoreObjects.AddRange(grabTarget.GameObject.GetAllChildrenAndSelf());
}
IInputDevice inputDevice = RTInputDevice.Get.Device;
SceneRaycastHit raycastHit = RTScene.Get.Raycast(inputDevice.GetRay(RTFocusCamera.Get.TargetCamera), SceneRaycastPrecision.BestFit, raycastFilter);
if (!raycastHit.WasAnythingHit)
{
return(false);
}
_grabSurfaceInfo.SceneRaycastHit = raycastHit;
if (raycastHit.WasAnObjectHit)
{
_grabSurfaceInfo.AnchorNormal = raycastHit.ObjectHit.HitNormal;
_grabSurfaceInfo.AnchorPoint = raycastHit.ObjectHit.HitPoint;
_grabSurfaceInfo.AnchorPlane = raycastHit.ObjectHit.HitPlane;
GameObjectType hitObjectType = raycastHit.ObjectHit.HitObject.GetGameObjectType();
if (hitObjectType == GameObjectType.Mesh)
{
_grabSurfaceInfo.SurfaceType = GrabSurfaceType.Mesh;
int objectLayer = raycastHit.ObjectHit.HitObject.layer;
if (LayerEx.IsLayerBitSet(SharedSettings.SphericalMeshLayers, objectLayer))
{
_grabSurfaceInfo.SurfaceType = GrabSurfaceType.SphericalMesh;
}
else if (LayerEx.IsLayerBitSet(SharedSettings.TerrainMeshLayers, objectLayer))
{
_grabSurfaceInfo.SurfaceType = GrabSurfaceType.TerrainMesh;
}
}
else
{
_grabSurfaceInfo.SurfaceType = GrabSurfaceType.UnityTerrain;
}
}
else
if (raycastHit.WasGridHit && (SharedSettings.SurfaceFlags & ObjectGrabSurfaceFlags.Grid) != 0)
{
_grabSurfaceInfo.AnchorNormal = raycastHit.GridHit.HitNormal;
_grabSurfaceInfo.AnchorPoint = raycastHit.GridHit.HitPoint;
_grabSurfaceInfo.AnchorPlane = raycastHit.GridHit.HitPlane;
_grabSurfaceInfo.SurfaceType = GrabSurfaceType.Grid;
}
return(true);
}
public List <GameObjectRayHit> RaycastAllObjectsSorted(Ray ray, SceneRaycastPrecision rtRaycastPrecision, SceneRaycastFilter raycastFilter)
{
if (raycastFilter != null &&
raycastFilter.AllowedObjectTypes.Count == 0)
{
return(new List <GameObjectRayHit>());
}
List <GameObjectRayHit> sortedHits = RaycastAllObjectsSorted(ray, rtRaycastPrecision);
if (raycastFilter != null)
{
raycastFilter.FilterHits(sortedHits);
}
return(sortedHits);
}
public SceneRaycastHit Raycast(Ray ray, SceneRaycastPrecision rtRaycastPrecision, SceneRaycastFilter raycastFilter)
{
List <GameObjectRayHit> allObjectHits = RaycastAllObjectsSorted(ray, rtRaycastPrecision, raycastFilter);
GameObjectRayHit closestObjectHit = allObjectHits.Count != 0 ? allObjectHits[0] : null;
XZGridRayHit gridRayHit = RaycastSceneGridIfVisible(ray);
return(new SceneRaycastHit(closestObjectHit, gridRayHit));
}
