Примерно вот так? Вроде работает.

Код AS1/AS2:
var tile = [[0,0,0,0,0,0,0],
[0,0,0,0,0,0,0],
[0,0,0,0,0,0,0],
[0,0,0,0,0,0,0],
[0,0,0,0,0,0,0],
[0,0,0,0,0,0,0],
[0,0,0,0,0,0,0]];
var debugString;
var t = 0;
var x1 = 0;
var y1 = 0;
var depth = 0;
var unit = [];
var hX = 2;
var hY = 2;
function map()
{
unit.push({xt:1,yt:1},{xt:4,yt:3},{xt:0,yt:3},{xt:5,yt:5},{xt:6,yt:0},{xt:0,yt:5},{xt:3,yt:0});
for(var i = 0; i < tile.length; i++)
{
for(var j = 0; j < tile[i].length; j++)
{
as_mc = (j + i) * 60 / 2 * 100 + (j - i) * 60 + 3;
clip.attachMovie("clip","t_"+i+"_"+j,as_mc);
clip["t_"+i+"_"+j]._x = 60*i;
clip["t_"+i+"_"+j]._y = 60*j;
for(k = 0; k < unit.length; k++)
{
tile[unit[k].xt][unit[k].yt] = 1;
}
tile[hX][hY] = 1;
}
}
for(var i = 0; i < unit.length; i++)
{
name = "unit"+(100000+i);
clip.attachMovie("unit",name,(100000+i));
clip[name]._x = unit[i].xt*60;
clip[name]._y = unit[i].yt*60;
}
clip.attachMovie("hero","hero1",999998);
clip["hero1"]._x = hX*60;
clip["hero1"]._y = hY*60;
setInterval(createBonus, 200);
}
function createBonus()
{
x1 = Math.floor(Math.random()*7);
y1 = Math.floor(Math.random()*7);
tile_txt.text = "";
for(var i = 0; i < tile.length; i++)
{
debugString = "";
for(var j = 0; j < tile[i].length; j++)
{
if(tile[x1][y1] == 0)
{
tile[x1][y1] = 1;
depth++;
var bonus = clip.attachMovie("bonus","bonus" + (1000000+depth),(1000000+depth));
bonus._x = x1*60;
bonus._y = y1*60;
}
debugString += tile[i][j] + " ";
}
count_txt.text = depth;
tile_txt.text += debugString;
}
}
map();