PSE Game Physics - Summer 12
- SS 12
- Univ.-Prof. Dr. Hans-Joachim Bungartz,
- Time and Place
- Every Monday at 4 pm, 02.07.023, first meeting: 16.04.2012
- Studenten der Informatik (Bachelor)
- Semesterwochenstunden / ECTS Credits
- 6 SWS (6P) / 10 Credits
Course is held in German, the slides are in English.
The class takes place every Monday at 4 pm in room 02.07.023. This timetable is only preliminary!
|1||Warmup: Explicit Euler, Physics I, Falling Sphere||Worksheet 1||Presentation||16.4.|
|2||Convergence, Stability, Analytical solutions, Collisions I, Resolving interpenetrations||Worksheet 2||Presentation (slides updated, 2012-04-30)||23.4.|
|3||Springs/Ropes, Linear momentum, Quaternions||Worksheet 3||Presentation (slides updated, 2012-05-02)||30.4.|
|4||Collisions: Sphere-box, plane-box||Worksheet 4||Presentation||7.5.|
|5||Collisions: Box-box, separating axes||Worksheet 5||Presentation||14.5.|
|6||Angular momentum, micro-collisions, damping||Worksheet 6||Presentation||21.5.|
|7||Friction||Worksheet 7||Presentation (slides updated, 2012-07-16)||4.6.|
|-||Question session / Project proposal||18.6.|
- preliminary session: 07.02.2012, 13:00, room: 02.07.023
|Nr||Members (Final Project)||Project title|
|1||Jonathan Aldag (Complex geometries, polygons), Thomas Hörmann (Stacking, microcollisions, damping)||Advanced geometry & physics|
|2||Maximilian Jakasovic (OpenGL), Johannes Mikulasch (Blender export incl. textures & physics properties)||Modeling and visualization|
|3||Markus Blöchl (Constraints), Nathan Chachkul (Ragdoll-Modellierung), Alexander Schade (t.b.a.)||Advanced constraints / ragdoll physics|
|4||Ilja Bacherikov (oct-trees), Volker Jacht (BSPs)||Bounding volume hierarchies for highly massive big-bada-bumm collision detection|
|5||Matthias Fischer (t.b.a.), Markus Reiter (t.b.a.), Andreas Wagner (t.b.a.)||Build arcade racing-game|
|6||Michael Opitz (Network code), Andreas Ruhland (gravity gun, client extrapolation), Kevin Sawischa (game engine, player movements)||Gamedevelopment|
|7||Quirin Fischer (Parallelization)||Parallelization|
|8||Christian Schmidt (Billiard game)||Billiard game with a simple AI|
Possible final projects
This topics are only suggestions. You are free to come up with another topic.
- Stacking problems (using damping) [not available anymore]
- Setup a game involving a Wii balance board.
- Handling polygonal datasets (convex + concave polygons) [not available anymore]
- Improved OpenGL visualization (e. g. particle-physics + visualization) [not available anymore]
- Parallelization (OpenMP / TBB).
- Bounding volume hierarchies for highly massive big-bada-bumm collision detection [not available anymore]
- Scenario importer from Blender (including parameters, basic rigid-objects, etc.) to set-up whole scene [not available anymore]
- Build arcade racing-game [not available anymore]
The final project has to be presented at the TUM demo-day (at the end of this semester).
A simple game physics engine is developed in this lab. Starting with simple time steps for moving rigid body objects you will successively extend your developments by collision detection, rotations, friction, etc. to obtain a game physics engine.
Topics covered in this lab:
- Introduction to game engines (Visualization, physics, scripting, ...)
- Game-Physics (Force, momentum, torque, ...)
- Game-Math (Numerical approximations, accuracy, time-steps, ...)
- Modeling of springs, Ropes
- Collision detection
- Resolving of inter-penetrations
- Preliminary knowledge in C++ is advantageous, but it's no prerequisite. However, you should have experiences in object-oriented programming - e.g. Java programming.
- No prior knowledge about visualization is necessary: A framework for visualization, interactivity and the interface for the physics is given. Thus you'll only have to implement the physics part.
- Also no prior knowledge about physics is necessary. We'll give a short introduction to physics.
Frequently Asked Questions (FAQs)
If you have a question, first take a look at our FAQ Website: PSE Game Physics - Summer 12 - FAQs
The engine skeleton is available for download:
When compiling SBNDEngine, don't forget to install freeglut3-dev
- Explicit Euler in OpenCalc spreadsheet: Spreadsheet: explicit Euler
- Game Physics Engine Development, Ian Millington
- Real-Time Collision Detection, Christer Ericson
- Game Physics, David E. Eberly
The following keysettings are preset by our engine. The keys which are for debugging should be the most important for you to hunt bugs ;-)
- Default mode:
|[space]||Switch between '1st person mode' and 'free mouse mode'|
|-, [F1]-[F12]||Switch to other scene and reset|
|[e]||Reset objects only|
- Debug mode:
You can use this mode to get some information about objects. An output is created for object which is currently under the mouse cursor.
|[backspace]||Activate/Deactivate Debug mode|
|[mouse wheel up],[+]||Go one timestep forward + record current state|
|[mouse wheel down],[-]||Go one timestep back (restore recorded state)|
- Hanging Bridge simulated with ropes:
- Falling objects (Cubes, Spheres):
- Many balls:
tum online: