doors is a list of Bricks.
Lists don't have BrickColors, so changing the BrickColor of a list won't do anything.
You want to set the .BrickColor of the elements of the list, that is, of the bricks listed in the list.
You can get the ith element of a list like this: list[i]. There are #list things in a list, so we can use a loop to have i go from 1 to #list:
2 | local brick = bricks[i] |
3 | brick.BrickColor = BrickColor.new("Bright red") |
There are other iterators defined that make this a little shorter/semantic:
1 | for i, brick in pairs(bricks) do |
2 | brick.BrickColor = BrickColor.new("Bright red") |
You want to be careful, though. If there are other things in the model that aren't Parts, this will error when you try to set their .BrickColor. We should add a check to be sure:
1 | for i, brick in pairs(bricks) do |
2 | if brick:IsA("BasePart") then |
3 | brick.BrickColor = BrickColor.new("Bright red") |
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