//private Vector3 MinVertex;
//private Vector3 MaxVertex;
public QuadTreeNode(QuadTreeNode parent, TerrainTile tile, int tileSize, int depth, bool checkFrustum, Vector2 offset, params Vector4[] v)
{
this.tile = tile;
this.checkFrustum = checkFrustum;
this.depth = depth;
this.tileSize = tileSize;
this.Offset = offset;
//if (parent != null)
//{
// //TileOffset = parent.TileOffset;
//}
//else
//{
// // get tile offset in world space
// TileOffset = Vector4.Transform(new Vector4(0f,0f,0f,1f), tile.InverseModelMatrix);
//}
for (int i = 0; i < 8; i++)
{
vertex[i] = v[i];
}
BottomCentre = (vertex[(int)Corner.BottomNearLeft] + vertex[(int)Corner.BottomFarRight]) * 0.5f;
TopCentre = (vertex[(int)Corner.TopNearLeft] + vertex[(int)Corner.TopFarRight]) * 0.5f;
}
public IEnumerable<PatchDescriptor> GetPatches(TerrainTile tile, Frustum f, Vector3 eyeWorld)
{
// create root node
var root = new QuadTreeNode(tile);
return root.GetPatches(eyeWorld,f);
}
