Use templates to create everything you need for your invitations. 使用模板创建请柬所需内容。
Another way is to use the stencil buffer in a multipass algorithm to control what parts of the scene are updated by a projected texture. 另外一个办法是在多遍渲染中使用模板缓存的算法来控制场景中那些部分将被投影纹理更新。
