1. DESC9180 Designing Virtual Worlds Week 4 Session 6pm – 9pm Tuesday, August 13 th, 2007 Owen Macindoe and Kathryn Merrick DESC9180 Designing Virtual Worlds University of Sydney, August 2007

2. Announcements  We’ve had a few more class changes: check the website for group allocations DESC9180 Designing Virtual Worlds University of Sydney, August 2007

3. Overview  The FBS framework  Gu and Maher’s 4 design phases  Issues in Second Life  Homework discussion  Work on Task 1 DESC9180 Designing Virtual Worlds University of Sydney, August 2007

4. Gero’s FBS Framework  A model of design activity  Function  What is it for?  Behaviour  What does it do?  Structure  What is it? DESC9180 Designing Virtual Worlds University of Sydney, August 2007

5. FBS in Virtual Worlds  Function drives design  Architecture is just a metaphor  S is not visual representations of objects  S -> B connections may not map across  Behaviours tied to scripting  Take world norms into account  But the metaphor is useful DESC9180 Designing Virtual Worlds University of Sydney, August 2007

6. Phases of Designing Virtual Architecture  Layout  Volumes and adjacencies  Configuration  Object placement  Navigation  Circulation and way-finding  Interaction DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Building in SL using an imported floor plan

7. Layout  Intended activities  Required space  Relative space  Spatial adjacency  Spatial ordering  Vertical layout  Teleportation DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Tower layout from the CRC for construction innovation

8. Configuration  Spatial boundaries  Affording activities  Functional cues  Metaphors  Decoration DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Ning Gu’s virtual classroom

9. Navigation  Circulation  Sight lines  Maps and signs DESC9180 Designing Virtual Worlds University of Sydney, August 2007 _blacklibrary’s guide bot  Teleportation  Agents and bots

10. Interaction  Scripting  Permissions  Animations  Poses  Agents and bots DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Dancing using pose balls in SL

11. Issues in Second Life  Flight  Teleportation  Scale  Prims  Phantom objects  Physical objects  Permissions DESC9180 Designing Virtual Worlds University of Sydney, August 2007

12. Flight  Allowed or not?  Ceiling heights  Open interiors  Entry points  Immersion versus convenience  Sky boxes DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Coke’s SL presence is a sky box

13. Teleportation 1  Pros  Smaller world  Neat special effects  Hypertext-like  Cons  Can be disorienting  Inconsistent with spatial metaphor  Skips content DESC9180 Designing Virtual Worlds University of Sydney, August 2007 eLumenta University teleport HUD

14. Teleportation 2  SL methods  Landmarks  Sit-teleporters  Landing points  Signage  Other worlds  Warping  Triggers  Inter-server DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Reuters teleport directory

15. Scale  Distances seem smaller  Teleportation bypasses spaces  Chase cameras need space  Bounding boxes and collisions DESC9180 Designing Virtual Worlds University of Sydney, August 2007 The Sentient in Second Life

16. Prims  512m 2 = 177 prims  Performance issues  Transparency DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Side view of a tree made from textures  How to cheat  Prim deformations  Creative texturing  Sculpties Top view of a tree made from textures

17. Phantom Objects  Uses  Vines, beads, curtains, gases  Secret doors  Script triggers  Traps  Can disrupt immersion DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Phantom prims used to simulate water

18. Physical Objects  Uses  Realistic movement  Force transfer  Can be rolled, pushed, knocked  Weapons  Vehicles  Unpredictable DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Vehicles use the SL physics engine

19. Permissions  Land  Access  Objects and scripts  Pushing  Damage  Objects  Sharing  Move and copy  Modify and transfer DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Permissions control panels in Second Life

20. Other Issues  Doors  Require scripting  Elevators  Bump avatars  Water  Streaming media  Sound  Video  Notecard dispensers  Hyperlinks  Generative design  Grey goo DESC9180 Designing Virtual Worlds University of Sydney, August 2007 Ning Gu’s grammar-generated floor plans

21. Today’s Tutorial  10 minute break now  10 minutes group discussions of the two buildings you found for homework  Choose one site to share with the class  Short discussion as a class  Work on Task 1 DESC9180 Designing Virtual Worlds University of Sydney, August 2007