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05-11-12, 10:00 PM
I wrote a screensaver for the nbody application. You can manually install it and try it from here: http://milkyway.cs.rpi.edu/milkyway/download/nbody_0.92/ (available for Linux, Windows and OS X 64 bit. OS X requires 10.7 Lion). It requires OpenGL 3.2 so it needs a DirectX 10 class GPU (Something newer than Radeon HD 2xxx or GeForce 8000 series) The screensaver has various mouse and keyboard controls for viewing the simulations. A list of all controls can be accessed by pressing the h or ? keys. You can manipulate the camera by dragging with the mouse and zooming with the scroll wheel. There are a couple of known problems which you may run into:
- For workunits with larger timesteps, it seems very jumpy. There's an option to update at some interval instead of at every opportunity. There is another option to stop the simulation to wait for the graphics, so that every timestep is drawn as a frame and the animation is smooth. - The orbit trace view will not do what you expect except when using the option to stop the simulation for the graphics - The optional axes are ugly - The preference descriptions aren't very good
I added a bunch of preferences to the web project preferences, but they're not quite finished yet (e.g. the default values don't show up in the boxes when you don't have them set). I made a small demo video a while ago demonstrating it: http://milkyway.cs.rpi.edu/milkyway/download/random_stuff/nbody_graphics_sample.mp4 Try it out, and see if you like it! If you run into any problems or have any recommendations for future versions, please leave a comment below.
More... (http://milkyway.cs.rpi.edu/milkyway/forum_thread.php?id=2888)
- For workunits with larger timesteps, it seems very jumpy. There's an option to update at some interval instead of at every opportunity. There is another option to stop the simulation to wait for the graphics, so that every timestep is drawn as a frame and the animation is smooth. - The orbit trace view will not do what you expect except when using the option to stop the simulation for the graphics - The optional axes are ugly - The preference descriptions aren't very good
I added a bunch of preferences to the web project preferences, but they're not quite finished yet (e.g. the default values don't show up in the boxes when you don't have them set). I made a small demo video a while ago demonstrating it: http://milkyway.cs.rpi.edu/milkyway/download/random_stuff/nbody_graphics_sample.mp4 Try it out, and see if you like it! If you run into any problems or have any recommendations for future versions, please leave a comment below.
More... (http://milkyway.cs.rpi.edu/milkyway/forum_thread.php?id=2888)