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Your homework assignment for this module was to study Kjell's CHAPTER 0 -- Points and Lines plus CHAPTER 1 -- Vectors, Points, and Column Matrices down through the topic titled Variables as Elements .
The homework assignment for the next module is to make certain that you have carefully studied that material, and to mentallyreflect on how it correlates with what you have learned in this module.
In addition to studying the Kjell material, you should read at least the next two modules in this collection and bring your questions about thatmaterial to the next classroom session.
Finally, you should have begun studying the physics material at the beginning of the semester and you should continue studying one physics module per weekthereafter. You should also feel free to bring your questions about that material to the classroom for discussion.
I encourage you to copy the code from Listing 14 , Listing 15 , and Listing 16 into your text editor. Compile the code and execute it. Experiment with the code, making changes, and observing the results of your changes. Make sure youunderstand why your changes produce the results that they do.
In this and the previous module, I introduced you to an excellent interactive tutorial titled Vector Math for 3D Computer Graphics written by Dr. Bradley P. Kjell. Then I presented and explained two sample programs and a sample game-programmingmath library intended to represents concepts from Dr. Kjell's tutorial in Java code.
While you probably won't have a frequent need to present points, lines, and vectors in graphical form in computer games that you write, it is often veryuseful to provide graphical representations of these items during the testing and debugging of the program. I will update the programming-math library to makeit easy to provide graphical representations of points, lines, and vectors in the next module in this collection.
An example of such graphical output is shown in Figure 6 . The image on the left consists of graphical objects that represent points and lines. The image onthe right consists of graphical objects that represent vectors. (The head of each vector is represented by a small circle.)
Figure 6 Sample output from updated programming-math library.
This section contains a variety of miscellaneous information.
Financial : Although the Connexions site makes it possible for you to download a PDF file for thismodule at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, you should beaware that some of the HTML elements in this module may not translate well into PDF.
I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version of the module.
In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale on Amazon.com showing me as the author. Ineither receive compensation for those sales nor do I know who does receive compensation. If you purchase such a book, please beaware that it is a copy of a module that is freely available on cnx.org and that it was made and published withoutmy prior knowledge.
Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.
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