![]() For the last two and a half years I've had a research paper sitting on my desk that describes a technique for rendering molecules with stunning results, but I had no idea how to implement this on iOS, or even if it was possible on a mobile device. Up until now, Molecules had used OpenGL ES 1.1 to display 3-D representations of molecules, which worked, but I was never happy with the results. The source code for Molecules is available under the BSD license, so you are free to download the project from the main application page and follow along as I walk through the process. This is a long way from the original OpenGL ES 1.1 renderer that I first wrote about here, so I want to describe in detail how this new version works. The 2.0 version of Molecules brings with it a brand new rendering engine that utilizes OpenGL ES 2.0 to deliver realistic 3-D representations of molecular structures.
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