git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/ttyvaders/trunk@18 92316355-f0b4-4df1-b90c-862c8a59935f

* used a cool Bresenham algorithm to draw the nuke circles.
  * nuke collides with aliens.


git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/ttyvaders/trunk@16 92316355-f0b4-4df1-b90c-862c8a59935f

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/ttyvaders/trunk@14 92316355-f0b4-4df1-b90c-862c8a59935f

the nuke is still ugly, almost no collision detection. Nice demo :)


git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/ttyvaders/trunk@12 92316355-f0b4-4df1-b90c-862c8a59935f