Tartarus CVS: gravity2 richard

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CVSROOT:	/home/cvs
Module name:	gravity2
Changes by:	richard	00/01/10 02:41:01

Modified files:
	src            : Makefile.am game.cc graphics_ggi.cc 
	                 graphics_ggi.h item.h universe.cc universe.h 
Added files:
	src            : coord.h 
Removed files:
	src            : item_planet.h item_projectile.h 

Log message:
Moved Coord declaration into a separate file.
Removed implementation of separate objects by subclassing: we want them
all to have mainly shared characteristics, and we can do a few more
optimisations this way (probably).  May revert this at some stage, but
for now it'll keep things cleaner.  Use a type field to specify type,
instead.
Added a bit of random colour to planets: just a temporary experiment.
Projectiles are launched with a bit of z velocity, so physics now occurs
in 3D: that seems to be working nicely.