local dinoB_amount = 15
local tiles
local filled_tiles = {}

function init(self)
    tiles = tilemap.get_tiles("main:/tilemap#level2maplevel", "floor")
    math.randomseed(os.time())

    for i = 1, dinoB_amount do
        local x_pos, y_pos, tile
        -- loops till valid tile
        repeat
            x_pos = math.random(1,200)
            y_pos = math.random(1,200)
            tile = tiles[x_pos][y_pos]
        until tile == 120 and is_tile_empty(x_pos, y_pos)

        mark_tile_filled(x_pos, y_pos) -- marks the tile as a full tile so that two wont spawn

        local tile_size = 16
        local tilemap_origin = go.get_position("main:/level2maplevel")

        local dino_pos = vmath.vector3(
        tilemap_origin.x + (y_pos - 0.5) * tile_size,
        tilemap_origin.y + (x_pos - 0.5) * tile_size,
        tilemap_origin.z
    )

    factory.create("factory", dino_pos, nil, {}, 1.5 ) -- spawns the dino

    end
end

function is_tile_empty(x,y)
    return not (filled_tiles[x] and filled_tiles[x][y])
end

function mark_tile_filled(x,y)
    if not filled_tiles[x] then
        filled_tiles[x] = {}
    end
    filled_tiles[x][y] = true
end