Login to the Public Issue Tracker at " Issue Tracker" to see how easily you can tell us about problems you find during the beta test.Read " New Prim Linkability Rules" to understand how prim linkage works with Havok4 (it's better and should be much more reliable!).Read " What's Changed With Havok4" to understand what should be different, and what should not be different, on the Preview Grid (Havok4 Beta).You can participate in the Beta Test of Havok4 with a few easy steps: How Can I Participate In Havok4 Physics Engine Testing? Havok is a commercially produced physics engine, and Second Life was built using Havok1. Friction or damping slows the motion of something or someone.Something or someone is in motion and has momentum.Something or someone collides with something or someone else.A physics engine is a specialized piece of software that does the "real world" calculations to figure out what do when: The Second Life virtual world has a lot of moving parts that keep it going. This project has been significantly larger than any of us anticipated, however the good news is that we are now here, ready for beta testing, and ready to fix the last minute issues before we bring Havok4-based sims to the main grid! At this point Havok4 became a much more reasonable target than implementing based on a then-older release.and thus we set Havok4 as the target. We realized that we needed to define an abstraction layer-a layer of code that would make it easier to do future physics engine migrations so that they don't take as much effort as this migration took, and to allow for more flexibility down the road. After working on that project, we realized that we really should rework the interfaces for how Havok is integrated with Second Life. After several false starts, we decided that it would be best to stop talking about the work, or making public commitments, until we were far closer to the goal, and we believe that we are finally at this point.įor "quite some time" we worked to replace Havok1 with Havok2. Some of you who have been around for a long time will know that we talked about replacing Havok1 a long time ago, and did not seem to get this project done, and finally went silent about it. 7.3 Thousands of objects that don't touch do not lagĪ Historical Note: Why Did "Doing Havok" Take So Long?.7.2 Simulator lag from huge piles of stacked objects.7.1 Ejection and separation of interpenetrating objects.6.5 Phase 5 - Full Havok4 Rollout On Main Grid (DONE!).6.4 Phase 4 - Partial Main Grid Rollout (400-500 regions) ("DONE!" :).6.3 Phase 3 - Havok4 On A Select Few Main Grid Regions (DONE!).6.2 Phase 2 - Public Beta Test On Preview Grid (DONE!).6.1 Phase 1 - Internal Testing On Non-Public Test Grid (DONE!).6 How Will Havok4 Be Tested And Rolled Out?.5 How Do I Stay "In The Loop" With Havok4 Testing?.3 How Can I Participate In Havok4 Physics Engine Testing?.1 A Historical Note: Why Did "Doing Havok" Take So Long?.
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