Created
February 6, 2013 03:18
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Hexagon = {} | |
function Hexagon:new(x, y, height) | |
obj = {} | |
setmetatable(obj, self) | |
self.__index = self | |
obj.x = x | |
obj.y = y | |
obj.height = height | |
obj:generate_points() | |
return obj | |
end | |
function Hexagon:generate_points() | |
local h = self | |
h.l = (h.height / 2) / math.sin(45) | |
h.dX = math.cos(45) * h.l | |
h.dY = math.sin(45) * h.l | |
h.cX = h.dX + (h.l / 2) | |
h.cY = h.dY | |
h.vertices = { | |
0, h.dY | |
, h.dX, 0 | |
, h.dX + h.l, 0 | |
, h.dX + h.l + h.dX, h.dY | |
, h.dX + h.l, h.dY + h.dY | |
, h.dX, h.dY + h.dY | |
} | |
end | |
function Hexagon:update() | |
local h = self | |
local n | |
h.drawVertices = {} | |
for i, v in ipairs(h.vertices) do | |
if i % 2 == 1 then | |
n = h.x + v - h.cX | |
else | |
n = h.y + v - h.cY | |
end | |
table.insert(h.drawVertices, n) | |
end | |
end | |
function Hexagon:draw() | |
local h = self | |
love.graphics.polygon('line', h.drawVertices) | |
end |
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require("hexagon") | |
function love.load() | |
hex = Hexagon:new(300, 300, 50) | |
end | |
function love.update(dt) | |
hex:update() | |
end | |
function love.draw() | |
love.graphics.print("Current FPS: " .. tostring(love.timer.getFPS()), 10, 10) | |
love.graphics.point(300, 300) | |
hex:draw() | |
end |
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