lod_quadtree_multi render pass(12)

fall_tree

for each texture unit
    for each quad tree node(which on the viewable list)
   {
      update each vertex colorArray's alpha value by current texture;
      revise the vertex's texCoord which on the node edge;
       for each vertex
            render the vertex array;
   }

DreamHeaven

你想说什么？lod的OpenGl的实现Demo很多，但D3D的偶还没有找到，郁闷~~~