CSC 418/2504 Fall 2001 Assignment 3 FAQ

1. Question 1
2. Question 2
3. Question 3
4. Question 4
5. Animation Project
6. Ray Tracer Project

1. • Q: How can I get tangent vectors if I don't have the coefficients of the cubic curve?
     A: You'll have to get the vectors in terms of the control points. Last year's assignment 3, question 3, part a (see here) involved something similar.
2. • Q:
     A:
3. • Q:
     A:
4. • Q: How do I do this?
     A: See here for some code, and details.
5. • Animation Project:
     • Q: I don't know where to begin!
       A: Look here.
     • Q: Where can I find sample animations from previous years?
       A: Look here.
     • Q: How do I make a movie file?
       A: Look here.
     • Q: What files must I submit?
       A: The following:
       1. 'readme.txt', describing your project.
       2. ALL your source code files.
       3. Makefile, to compile and link your program.
       4. your MPEG movie file
   • Ray Tracer Project:
     • Q: Any hints??
       A: Look here.
     • Q: How do I invert a matrix?
       A: Here's some code.
     • Q: How do I display the image?
       A: Either store it as a PPM file, (see "save_image" in the animation code), or use the code for A2, Q4, which displays an array of pixels.
     • Q: What files must I submit?
       A: The following:
       1. 'readme.txt', describing your project.
       2. ALL your source code files.
       3. Makefile, to compile and link your program.
       4. your image file (PPM, JPG, GIF or PNG formats are fine).