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how to make my point become visible and become haircross point?

How to make the crosshair point in OpenGL ES? After I get the coordinate of my object by using glTranslatef, I want to make my 开发者_Go百科point become visible and in the crosshair style. How to do it? thanks. Any references of the sorce code?


Draw two perpendicular GL_LINEs centered around wherever you want your cross-hair to be.

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