- If you are using your own computer, install GLFW. 
- Compile and run the program triangle.cpp. Use this makefile to compile and link. 
- Answer the following questions. Make modifications to the code to help: - Where is the origin, the point (0, 0, 0), located in the program’s window? 
- In what direction are the positive x, y, and z axes in relation to the program’s window? 
 
- Modify the source code to draw 2 different triangles.