Game Development Software Engineering Process Jeffrey C. King CIS4914 Senior Project 23 April 2001 and the

Summary  Motivation  Buggy Games  Release Delays  Maintenance Difficulties  Problem  No Design Plan  Unknown Dependencies / Emergent Behavior  Code Duplication  Frequent Rework  Solution  Formal Design  Modularity  Reusability  Robustness  Documentation

H. Hoppe, Computer Graphics (SIGGRAPH 1997 Proceedings), pages Literature Sources Alan Watt and Fabio Policarpo, 3D Games: Real-time Rendering and Software Technology. ACM Press, New York, NY, Andrew Rollings and Dave Morris, Game Architecture and Design. Coriolis Group, Scottsdale, AZ, DeLoura, Mark, ed., Game Programming Gems. Charles River Media, Rockland, MA, Mason Woo, Jackie Neider, Tom Davis and Dave Shreiner, OpenGL Programming Guide. Addison Wesley, Reading, MA, Tomas Möller and Eric Haines, Real-Time Rendering. A.K. Peters, Natick, MA, H. Hoppe, IEEE Visualization 1998, October 1998, pages Charles Bloom, VIPM (Progressive Meshes), (current 21 March 2001) Tim C. Schröder, glVelocity, (current 21 March 2001) Sommerville, Ian, Software Engineering, Pearson Education, Essex, GB2, 2001.

Work Performed  Prototypes  Software Requirements Specification  Main Application  Camera  Landscape  Waterscape  Scene Management  BSP Constructor

Results Program Overview

Results DEFINES; # NoMouse variable indicates # that the mouse cursor should # not be drawn. $noMouse = TRUE; END; DO_RIGHT; $translateX -= cos($rotateY); $translateZ -= sin($rotateY); END; DO_LEFT; $translateX += cos($rotateY); $translateZ += sin($rotateY); END; DO_UP; $translateX -= sin($rotateY); $translateZ += cos($rotateY); $translateY += sin($rotateX); END; DO_DOWN; $translateX += sin($rotateY); $translateZ -= cos($rotateY); $translateY -= sin($rotateX); END; DO_LOOK_VERTICAL; $rotateY += $move_vertical; END; DO_LOOK_HORIZONTAL; $rotateX -= $move_horizontal; END; DO_ALT_UP; $translateZ -= 1.0; END; DO_ALT_DOWN; $translateZ += 1.0; END; Camera Script (FPS)

Results

Conclusions and Future Work  Conclusions  Game Development benefits from Software Engineering practices  Overhead is negligible  Future Work  Level of Detail  Curved Surfaces  Indoor Scenes (Portals and PVS)

Questions and Answers