public float SignificanceFunction(ManagedObjectInfo objectInfo, Transform transform)
{
Transform significanceActor = (Transform)objectInfo.GetObject();
float distance = Vector3.Distance(transform.position, significanceActor.position);
//distance、visibility、screen size
//TODO occlusionCulling
if (distance < significanceDistance)
{
Collider collider = significanceActor.GetComponent <Collider>();
if (collider)
{
Plane[] planes = GeometryUtility.CalculateFrustumPlanes(mainCamera);
if (GeometryUtility.TestPlanesAABB(planes, collider.bounds))
{
float diameter = collider.bounds.extents.magnitude;
float distanceToCamera = Vector3.Distance(mainCamera.transform.position, significanceActor.position);
float angularSize = (diameter / distanceToCamera) * Mathf.Rad2Deg;
float pixelSize = ((angularSize * Screen.height) / mainCamera.fieldOfView);
float distanceSignificance = 1f - distance / significanceDistance;
pixelSize = pixelSize > significancePixelSize ? significancePixelSize : pixelSize;
float pixelSignificance = (1 - distanceSignificance) * pixelSize / significancePixelSize;//能量守恒
return(distanceSignificance + pixelSignificance);
}
}
}
return(0.0f);
}
protected void RegisterManagedObject(ManagedObjectInfo objectInfo)
{
UnityEngine.Object Object = objectInfo.GetObject();
if (objectInfo.GetPostSignificanceType() == PostSignificanceType.Sequntial)
{
++managedObjectsWithSequentialPostWork;
}
if (viewpoints.Count > 0)
{
objectInfo.UpdateSignificance(viewpoints, bSortSignificanceAscending);
if (objectInfo.GetPostSignificanceType() == PostSignificanceType.Sequntial)
{
FManagedObjectPostSignificanceFunction PostSignificanceFunction = objectInfo.GetPostSignificanceFunction();
PostSignificanceFunction(objectInfo, 1.0f, objectInfo.GetSignificance(), false);
}
}
managedObjects.Add(Object, objectInfo);
List <ManagedObjectInfo> managedObjectInfos = FindOrAdd(objectInfo.GetTag(), managedObjectsByTag);
if (managedObjectInfos.Count > 0)
{
int LowIndex = 0;
int HighIndex = managedObjectInfos.Count - 1;
while (true)
{
int MidIndex = LowIndex + (HighIndex - LowIndex) / 2;
if (CompareBySignificanceAscending(objectInfo, managedObjectInfos[MidIndex]))
{
if (LowIndex == MidIndex)
{
managedObjectInfos.Insert(LowIndex, objectInfo);
break;
}
else
{
HighIndex = MidIndex - 1;
}
}
else if (LowIndex == HighIndex)
{
managedObjectInfos.Insert(LowIndex + 1, objectInfo);
break;
}
else
{
LowIndex = MidIndex + 1;
}
}
}
else
{
managedObjectInfos.Add(objectInfo);
}
}
public void PostSignificanceFunction(ManagedObjectInfo objectInfo, float oldSignificance, float significance, bool bUnregistered)
{
if (significance > 0f)
{
//提高 AI tick 频率，设置粒子发射器等等
//设置 lod level
}
else
{
//关闭 AI tick，关闭粒子等
//关闭 lod
}
#if UNITY_EDITOR
Transform significanceActor = (Transform)objectInfo.GetObject();
DebugHUD textMesh = significanceActor.GetComponentInChildren <DebugHUD>();
textMesh.ShowDebugView(significance, debugDisplayInfo.ShouldDisplayDebug);
#endif
}
public float SignificanceFunction(ManagedObjectInfo objectInfo, Transform transform)
{
Transform significanceActor = (Transform)objectInfo.GetObject();
float distance = Vector3.Distance(transform.position, significanceActor.position);
//distance、visibility
//TODO screen size...
//TODO occlusionCulling
if (distance < significanceDistance)
{
Collider collider = significanceActor.GetComponent <Collider>();
if (collider)
{
Plane[] planes = GeometryUtility.CalculateFrustumPlanes(mainCamera);
if (GeometryUtility.TestPlanesAABB(planes, collider.bounds))
{
float significance = 1f - distance / significanceDistance;
return(significance);
}
}
}
return(0f);
}