R10/5

1. Slide set 14 - Building Models
   1. Separate geometry and topology.
   2. Store each vertex only once. This is more efficient and is a good design practice since changes are easier and inconsistencies are less likely.
   3. You don't need to learn the details of this, just the idea. There might be a homework question, but not an exam question.
   4. 5 steps to efficiently drawing object:
      1. Create an array of vertex coordinates.
      2. Tell OpenGL we're doing all this. (enable)
      3. Tell OpenGL where is vertex array.
      4. Create array of indices (numbers) of vertices in faces.
      5. One subroutine call to draw all faces.
2. Slide set 15 - classical viewing
3. Slide set 16 - computer viewing

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