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author | rodri <rgl@antares-labs.eu> | 2021-08-01 11:56:12 +0000 |
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committer | rodri <rgl@antares-labs.eu> | 2021-08-01 11:56:12 +0000 |
commit | 7ed124593ebda443fc4d0f1439d1fd8dc602ce72 (patch) | |
tree | 9790ce5c3436e4b493ca912d26c6baa1bb8b826b /physics.c | |
parent | b57dba67153279a84a16bba40ae007c8ae710056 (diff) | |
download | musw-7ed124593ebda443fc4d0f1439d1fd8dc602ce72.tar.gz musw-7ed124593ebda443fc4d0f1439d1fd8dc602ce72.tar.bz2 musw-7ed124593ebda443fc4d0f1439d1fd8dc602ce72.zip |
began building a universe for every party.
get rid of the notes file. i already keep them on paper.
adapted the client to use an rframe for drawing.
implemented some VModel methods for testing.
FPS2MS → HZ2MS. it makes more sense and is shorter.
Diffstat (limited to 'physics.c')
-rw-r--r-- | physics.c | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -18,6 +18,25 @@ accel(GameState *s, double) return Vec2(0, -k*s->p.y - b*s->v.y); } +/* + * XXX: remember to take thrust into account, based on user input. + */ +static Point2 +accelship(Universe *u, Ship *s, double) +{ + double g, d; + + d = vec2len(subpt2(u->star.p, s->p)); + g = G*u->star.mass/(d*d); + return mulpt2(normvec2(subpt2(u->star.p, s->p)), g); +} + +static Point2 +accelbullet(Universe *, Bullet *, double) +{ + return Vec2(0,0); +} + static Derivative eval(GameState *s0, double t, double Δt, Derivative *d) { |