this.offsetAmount = offsetAmount;
initData();
this.gridTileLoader = terrainQuadGrid;
terrainQuadGrid.setPatchSize(this.patchSize);
terrainQuadGrid.setQuadSize(this.quadSize);
addControl(new UpdateControl());
fixNormalEdges(new BoundingBox(new Vector3f(0,0,0), size*2, Float.MAX_VALUE, size*2));
addControl(new NormalRecalcControl(this));
}