static void ProcessNodeChildrenRecursive(VisibleSets visibleSets,
WorldFrustrumPlanes frustrumPlanes,
int4 nodeID,
int depth)
{
int4 min;
int4 max;
Octree.GetMinMaxNodeChildrenID(nodeID, out min, out max);
var subNodeExtent = Octree.NodeExtent(depth);
for (int x = min.x; x < max.x; ++x)
{
for (int y = min.y; y < max.y; ++y)
{
for (int z = min.z; z < max.z; ++z)
{
var subNodeID = new int4(x, y, z, depth);
if (!Math.IsCubeCulled(Octree.NodeIDToPoint(subNodeID), subNodeExtent, frustrumPlanes))
{
var packedID = Octree.PackID(subNodeID);
visibleSets[depth].Add(packedID);
if (depth < Octree.LeafLayer)
{
ProcessNodeChildrenRecursive(visibleSets, frustrumPlanes, subNodeID, depth + 1);
}
}
}
}
}
}
static void ProcessFrustrumClusters(VisibleSets visibleSets,
AABB frustrumAABB,
WorldFrustrumPlanes frustrumPlanes)
{
int4 min;
int4 max;
Octree.GetMinMaxClusterIDs(frustrumAABB, out min, out max);
for (int x = min.x; x < max.x; ++x)
{
for (int y = min.y; y < max.y; ++y)
{
for (int z = min.z; z < max.z; ++z)
{
var clusterID = new int4(x, y, z, Octree.ClusterLayer);
if (!Math.IsCubeCulled(Octree.ClusterIDToPoint(clusterID.xyz), Octree.ClusterExtent, frustrumPlanes))
{
var packedID = Octree.PackID(clusterID);
visibleSets.ClusterLayer.Add(packedID);
ProcessNodeChildrenRecursive(visibleSets, frustrumPlanes, clusterID, 1);
}
}
}
}
}
public static WorldFrustrumPlanes ComputeFrustrumPlanes(this Camera camera)
{
var planeArray = GeometryUtility.CalculateFrustumPlanes(camera);
var planes = new WorldFrustrumPlanes();
planes.Left = planeArray[0];
planes.Right = planeArray[1];
planes.Down = planeArray[2];
planes.Up = planeArray[3];
planes.Near = planeArray[4];
planes.Far = planeArray[5];
return(planes);
}
private void Update()
{
Inputs();
this.frustrumPlanesMesh.mesh = this.viewerCamera.Camera.ComputeFrustumMesh();
FrustrumPlanes = this.viewerCamera.Camera.ComputeFrustrumPlanes();
FrustrumAABB = this.viewerCamera.Camera.ComputeFrustrumAABB();
WorldToNDC = this.viewerCamera.Camera.projectionMatrix * this.viewerCamera.Camera.worldToCameraMatrix;
Viewer = this.viewerCamera.transform.position;
NearPlaneCenter = this.viewerCamera.transform.position + this.viewerCamera.transform.forward * this.viewerCamera.Camera.nearClipPlane;
var nearPlane = new Quad();
nearPlane.Center = NearPlaneCenter;
nearPlane.LocalRight = this.viewerCamera.transform.right * this.viewerCamera.Camera.NearPlaneHalfWidth();
nearPlane.LocalUp = this.viewerCamera.transform.up * this.viewerCamera.Camera.NearPlaneHalfHeight();
nearPlane.Normal = FrustrumPlanes.Near.normal;
NearPlane = nearPlane;
}
