CP2060MidSemesterTest2008SP3.docVIP

CP2060 - Mid-Semester Test Clearly identify the choice that best completes the statement or answers the question. Each question has only one correct answer.  Student: ______________________________________________________ 1. From the following actions, when is a reshape event not generated? A. When the display window is made full-screen. B. When the display window is resized. C. When the display window is created. D. When the display window is moved. 2. Which one of the following statements about flat shading is correct? A. Flat shading calculates the illumination model once for each vertex of the object. B. Flat shading calculates the illumination model once for the entire object. C. Flat shading calculates the illumination model once for each polygon. D. Flat shading does not use the illumination model. 3. What is the result of the cross product of the following two vectors (u x v)? u = (1, 2, 2) v = (2, -3, 5) A. (16, 1, -7) B. (-16, -1, 7) C. (-16, 1, -7) D. (16, -1, -7) 4. Which one of the following OpenGL functions uses a field of view variable? A. gluPerspective B. glFrustum C. glOrtho D. gluLookAt 5. Which term(s) in the local illumination model (below) will be maximised when the light source is directly above the surface? A. B. C. D. 6. What is the result of the dot product of the following two vectors (u.v)? u = (2, -3, 4) v = (3, 3, -1) A. -4 B. (-9, 14, 15) C. -7 D. (6, -9, -4)  7. Which one of the following projection commands is represented in the image below, shown in Figure 1 (based on the Nate Robins tutors)? Figure 1 A. glOrtho(-1.0, 1.0, -1.0, 0.4, 1.0, 3.0) B. glFrustum(-1.0, 1.0, -1.0, 0.4, 1.0, 3.0) C. gluPerspective(-1.0, 1.0, -1.0, 0.4, 1.0, 3.0) D. gluPerspective(75.0, 1.33, 1.0, 10.0) 8. Which function is used in an OpenGL program to respond to the user of the program pressing an arrow key (e.g. to move an object around the screen)? A. glutKeyboardFunc(myK