/usr/share/doc/planets/TODO is in planets 0.1.13-18.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | * Physics
- implement better approximation --- 4th order runge kutta would be a nice
start, but there's a lot of stuff to do under this rubric, such as
varying the step size depending on the conditions.
- add in solar system snapshot.
- Better bouncing:
+ repulsion field that drops off more quickly (nearly to zero outside of
radius bound?) so as not to affect normal physics.
- Redo COM-follow mode so it computes an offset for the COM, and then uses
those to reposition before display. By keeping a record of the COM
offsets, tracing could be made to do something reasonable in COM-follow
mode.
- Make 3D? Could be done with a 2D-display and a simple
projection.... Use 2d-mouse movement for changing angle, maybe a scrollbar
for depth. Could be done...
- Make 3D for real: using LablGL. This will hurt portability and
performance, however
* Display
- Consider breaking up traces into lots of little line segments. Whether
this is an improvement depends on the internals of Tcl/Tk, but it does
avoid the need for a linear scan (both in OCaml and in Tcl/Tk) every time
a planet moves.
- Consider using built-in Tcl/Tk scaling when zooming in and out. It's not
clear, though, if that would really help performance.
- Port to LablGtk? Canvas performance should be higher, there is
anti-aliasing, and gtk can be linked in to make a small windows
executable.
This would be a lot of work, unfortunately. Also, what about
portability? Should wait until LablGtk is more clearly the standard for
OCaml, or at least until it's better supported.
- Allow for display of planet names next to planets
* UI
- improved GUI controls for optionbox
+ exponential control
+ Little up-and-down arrows on the entry controls would be nice.
* Config Files
- Allow files to refrain from setting some variables, like G and G-exp.
This should be controllable from the UI. Perhaps add a keyword to
indicate that the current values should not be overwritten.
- Modify lexer to enable forward and backward compatibility. i.e.,
non-understood entries are simply dropped.
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