LÖVE

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Block = {}
Block.__index = Block

function Block.new(x, y, r, g, b )
    local instance = setmetatable({}, Block)
    instance.x = x 
    instance.y = y 
    instance.width = 50
    instance.height = 50
    instance.r = r 
    instance.g = g 
    instance.b = b
    instance.body = love.physics.newBody(world, instance.x, instance.y, "static")
    instance.shape = love.physics.newRectangleShape(instance.width, instance.height)
    instance.fixture =love.physics.newFixture(instance.body, instance.shape)
    return instance
end

function Block:draw()
    love.graphics.rectangle("fill", self.x - self.width / 2, self.y - self.height / 2, self.width, self.height)
end
    

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Blocks = {0, 0, 1, 1, 1, 0}
for i, block in ipairs(Blocks) do
	Block.new(--some magic involving i)
end
 

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Blocks = {0, 0, 1, 1, 1, 0}
for index, value in ipairs(Blocks) do
	local newBlock = Blocks.new(--some magic involving index and value)
end

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blocks = {} --we define the table where we will store the blocks
for i = 1, 10 do --example 'for' loop, this one iterates from 1 to 10 and stores the progress in the variable i

	blocks[#blocks + 1] = Block.new(i*50,i*50,1,0,0) --creates a blocks and stores it in a new index of 'blocks'.
	--the # returns the quantity of elements in a table, only works with elements ordered from 1 to inf

end

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for i, block in ipairs(blocks) do --iterates over all the elements of blocks, the list where we stored the blocks

	--i is the index where the function is at. block is the equivalent of blocks[i], it's the value of the index that the loop is at

	block:draw() --calls the draw function for drawing the block

end

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blocks[i]