practice-beefki/love/hexgrid/main.lua

function createHex(centerX, centerY)
	local hex = {}
  hex.centerX = centerX
	hex.centerY = centerY
	hex.size = 45

--The height is size *2
--The width is sqrt(3)/2 * height
--Horizontal distance between two hexes is horiz = width
  
	hex.height = hex.size * 2
	hex.width = math.sqrt(3)/2 * hex.height

	local lastX = nil
	local lastY = nil
	
	hex.sides = {}

	for i=0,6 do
		local angle = 2 * math.pi/6 * (i + 0.5)
		local x = hex.centerX + hex.size * math.cos(angle)
		local y = hex.centerY + hex.size * math.sin(angle)

		if i > 0 then
			hex.sides[i] = {lastX, lastY, x, y}
		end

		lastX = x
		lastY = y

	end



	return hex
end

function love.load()

end

function love.update()

end

function love.draw()
	love.graphics.setColor({255,255,255,255})
	
	--create our first hex #note: this will all end up 
	--in a single for loop to draw a complete grid
	temp=createHex (300,300)
	hex1=createHex(0+temp.width,0+temp.height)

	for i=1, #hex1.sides do
		love.graphics.line(unpack(hex1.sides[i]))
	end
  
	--Here we create another hex and place it to the side
	newCenterX = hex1.centerX + hex1.width
	hex2=createHex(newCenterX,hex1.centerY)

	for i=1, #hex2.sides do
		love.graphics.line(unpack(hex2.sides[i]))
	end

	-- Here we want to move down a row and base it from the first hex
	newCenterY = hex1.centerY+(hex1.height * 3/4)
	newCenterX = (hex1.centerX + hex2.centerX)/2
	hex3 = createHex(newCenterX, newCenterY)

	for i=1, #hex3.sides do
		love.graphics.line(unpack(hex3.sides[i]))
	end

end