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Challenge Review

Challenge Review. Round 1: Individual. 1. In a left-handed system, in which direction does NEGATIVE z point?. 2. There are three elements to defining a camera or eye: location, focus, and what?. 3. What space is this most likely to represent?. 4.

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Challenge Review

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  1. Challenge Review

  2. Round 1: Individual

  3. 1. • In a left-handed system, in which direction does NEGATIVE z point?

  4. 2. • There are three elements to defining a camera or eye: location, focus, and what?

  5. 3. • What space is this most likely to represent?

  6. 4. • A triangle is represented as a matrix with homogeneous coordinates. What are the dimensions of the matrix?

  7. 5. • What elements define the frustum? (3 elements)

  8. 6. • Why are getters a code smell?

  9. 7. • What is a perspective transformation?

  10. 8. • A 2D array corresponding to pixels that tells which object to draw is called what?

  11. 9. • The shading technique that calculates the color at each vertex and interpolates between them for the other pixels is called…

  12. 10. • The 6-sided volume of space that can be seen from the camera is called what?

  13. 11. • What is an advantage of ray tracing?

  14. 12 • The type of light that shows as reflections and glare spots is called what?

  15. 13 • What elements go in a game design document?

  16. 14 • The process of eliminating polygons from being drawn is called…

  17. 15 • What is z-buffering?

  18. 16 • What does the cross product of two vectors yield?

  19. 17 • What is horizontal scanning?

  20. 18. • What is the painter’s algorithm?

  21. 19. • What is flat shading?

  22. 20. • What does the dot product of two vectors yield?

  23. Round 2: All-play

  24. 1. • Write a matrix for a 2x2 square in the x-y plane centered at the origin. Use 3D homogeneous coordinates.

  25. 2. • Write the equation that rotates the cube 270 degrees about the x axis.

  26. 3. • Write the order of spaces in the display pipeline.

  27. 4. • Draw a picture that shows how ray tracing can make one shape cast a shadow on another.

  28. 5. • Consider the triangle: A = (0, 5, -2) B = (2, 0, -2) C = (0, 0, -3) The camera is at (0,0,0). Does the camera see the triangle?

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