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| 1 : | adjohn | 2 | Here are some brief instructions to install the Newton physics engine |
| 2 : | in OpenSim. | ||
| 3 : | |||
| 4 : | 1. Download the source for OpenSim, for example from their SVN server: | ||
| 5 : | |||
| 6 : | svn co http://opensimulator.org/svn/opensim/trunk opensim | ||
| 7 : | |||
| 8 : | You will need the open-source .NET framework mono (see | ||
| 9 : | http://www.mono-project.com/Main_Page ) to build OpenSim. | ||
| 10 : | |||
| 11 : | 2. Get the NewtonPhysics engine from its SVN repository: | ||
| 12 : | |||
| 13 : | svn checkout http://micasim.googlecode.com/svn/trunk/ micasim | ||
| 14 : | |||
| 15 : | 3. Copy the prebuild.xml file from the micasim root directory to the | ||
| 16 : | OpenSim root directory. (Make a backup copy of the pre-existing | ||
| 17 : | prebuild.xml in that directory if this makes you nervous.) | ||
| 18 : | |||
| 19 : | 4. Copy the NewtonPlugin directory in the micasim root directory to | ||
| 20 : | opensim/OpenSim/Region/Physics/ . | ||
| 21 : | |||
| 22 : | 5. Edit the OpenSim configuration file (found in | ||
| 23 : | <opensim-root>/bin/OpenSim.ini) to change the "physics = basicphysics" | ||
| 24 : | to "physics = Newton". | ||
| 25 : | |||
| 26 : | 6. Build OpenSim (follow their instructions---as of 10 July 2008, this | ||
| 27 : | means run ./runprebuild.sh, then run nant). | ||
| 28 : | |||
| 29 : | 7. Start an OpenSim server: mono opensim/bin/OpenSim.exe . | ||
| 30 : | |||
| 31 : | 8. Connect to that server with your SecondLife client (here is the | ||
| 32 : | command line to type on my Mac OS X box): | ||
| 33 : | |||
| 34 : | /Applications/Second\ Life.app/Contents/MacOS/Second\ Life -loginuri http://127.0.0.1:9000/ | ||
| 35 : | |||
| 36 : | 9. Rez prims, and make them physical. All physical prims evolve | ||
| 37 : | according to Newtonian gravity. | ||
| 38 : | |||
| 39 : | 10. Enjoy. If you make a change to the micasim code, you need only | ||
| 40 : | repeat steps 3, 4, and 6, and then you're ready to go with the updated | ||
| 41 : | physics engine. |
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