action move_tank()
{
while(1)
{
//forward and reverse
if(key_pressed(17) == 1)
c_move(me, vector(10,0,0), nullvector, IGNORE_PASSABLE);
if(key_pressed(31) == 1)
c_move(me, vector(-10,0,0), nullvector, IGNORE_PASSABLE);
//rotation
if(key_pressed(30) == 1)
c_rotate (me, vector(2,0,0), IGNORE_PASSABLE);
if(key_pressed(32) == 1)
c_rotate (me, vector(-2,0,0), IGNORE_PASSABLE);
//downwards
if(key_pressed(46) == 1)
c_move(me, vector(0, 0, -20 * time_step), nullvector, IGNORE_PASSABLE);
wait(1);
}
}