CS 445: Topics for Nov 11/13, 2014

• Exam 2 is next week (Thursday, Nov 20)! We will do a review in class this Thursday and next Tuesday.

• Labs:
  • Finish Lab 6: Textures
  • Begin Lab 7: Final Project
    Final presentations to be the last day of class: Dec 4 during lecture and lab.

• Textures - Continued from last week

  • Aliasing
    • Texture issues: Minification and magnification.
    • Solution: mipmapping, multum in parvo (many things in a small place).
  • Implementation in OpenGL - Texture coordinates, parameters, etc (see code in lab)
  • Other types of maps
    • Environment Mapping
    • CubeMap Example
    • Bump Mapping, normals

• Blending and transparency with the alpha component.

  • Recall what the z-buffer is and why it is used.
  • Transparency is difficult to implement correctly: See blending.
  • How does the "discard()" function work in a programmable shader and why is it not possible to get the same effect in fixed pipeline.
  • Implementing shadows

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