On Mar 17, 3:41 am, Robert Green <rbgrn....@gmail.com> wrote: > Tom, > > I have to recommend just getting a book on the subject. I learned > most everything off of examples and documents on the web. After > several months, I finally picked up the blue book and everything I had > scoured to find is clearly demonstrated in it. Look for the red book > and the blue "superbible." They cover everything you need. There are > also books specific to ES. Make sure to get a good 1.1 one and not a > 2.0-only one. They are not at all compatible. > > On Mar 16, 4:38 pm, Loki117 <thomas.sheppar...@gmail.com> wrote: > > > > > Afternoon all, > > > I hope someone can help. I am trying to get my head around OpenGL on > > Android and hopefully start making some nice GUI's that are both quick > > and nice to look at. At the moment I am attempting to draw a radar > > type screen. To describe the screen think of a mapview with a point on > > the map. From the point a circle will radiate like a sonar pulse > > spreading out. Now I have tried doing this via MapOverlays and it is > > just not fast enough so I would like to try doing it via openGL ontop > > of the mapview. > > > Does anyone know how I can draw this "ring"? I can't even work out > > where to start here. I did have a look at the OpenGL sample for the > > spinning cubes but that just confused me further. Any help would be > > much appreciated. > > > Thanks in advance, > > > Tom
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