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A few questions about OpenGL in FPC

I have started learning OpenGL on FPC. Maybe someone could answer me some questions as soon, as possible.

1. Is any method to get Matrix to variable? I have in mind, that I want to get information that is stored in main matrix, and copy it to matrix that i define as variable, later use it, and store to main matrix again. For example, I want to access matrix, to make my plane fly to the same direction where pilot is looking :). I hope you understood, what I'm trying to say.

2. Is there any file format in OpenGL to store and load 3D scenes?For example, I want to load 3D plane model from file :) .

Thank's for Your answers.
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