private SceneRaycastHit GetSceneHitForGridSnap()
{
var pickRay = RTInputDevice.Get.Device.GetRay(RTFocusCamera.Get.TargetCamera);
var raycastFilter = new SceneRaycastFilter();
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh);
return(RTScene.Get.Raycast(pickRay, SceneRaycastPrecision.BestFit, raycastFilter));
}
public static GameObject SpawnInFrontOfCamera(GameObject sourceObject, Camera camera, float objectSize)
{
float halfSize = 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;
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);
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);
}
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));
}
public bool RaycastAllObjectsSorted(Ray ray, SceneRaycastPrecision rtRaycastPrecision, SceneRaycastFilter raycastFilter, List <GameObjectRayHit> hits)
{
hits.Clear();
if (raycastFilter != null && raycastFilter.AllowedObjectTypes.Count == 0)
{
return(false);
}
RaycastAllObjectsSorted(ray, rtRaycastPrecision, hits);
if (raycastFilter != null)
{
raycastFilter.FilterHits(hits);
}
return(hits.Count != 0);
}
public SceneRaycastHit Raycast(Ray ray, SceneRaycastPrecision rtRaycastPrecision, SceneRaycastFilter raycastFilter)
{
RaycastAllObjectsSorted(ray, rtRaycastPrecision, raycastFilter, _objectHitBuffer);
GameObjectRayHit closestObjectHit = _objectHitBuffer.Count != 0 ? _objectHitBuffer[0] : null;
XZGridRayHit gridRayHit = RaycastSceneGridIfVisible(ray);
return(new SceneRaycastHit(closestObjectHit, gridRayHit));
}
