```ruby
module Color
  Black       = Gosu::Color::BLACK
  White       = Gosu::Color::WHITE
  Trans_black = Gosu::Color.argb(0xd5000000)
end

module ZOrder
  Background, Grid, Texture, Player, Pause_background, Pause_button = *0..5
end

module Media
  Font = 'media/poke.dfont'
end
```

Add an array to store which tiles are solid
user
```ruby
module Color
  Black       = Gosu::Color::BLACK
  White       = Gosu::Color::WHITE
  Trans_black = Gosu::Color.argb(0xd5000000)
end

module ZOrder
  Background, Grid, Texture, Player, Pause_background, Pause_button = *0..5
end

module Tiles
  Solid = [0]
end

module Media
  Font = 'media/poke.dfont'
end
```
assistant