-- 绑定UI cc.Billboard3DNode.ClassName = "Billboard3DNode" function cc.Billboard3DNode:createNode() local layer = cc.Billboard3DNode:create(); return layer; end function cc.Billboard3DNode:setDefaults() end function cc.Billboard3DNode:loadFromXmlNode(xmlNode) cc.EffectNode.loadFromXmlNode(self , xmlNode) end function cc.Billboard3DNode:getSelectBox() local box = cc.BoundingBox:new(0,0,0,1,1,1); box:transform(self:getWorldMatrix()); return box; end