MainScene.lua

-- Demo game for all these stuff
-- This is the title screen, which is the entry of game

function MainScene()
	local Button = require "Button"

	local self = SceneManager.newScene(love.graphics.getWidth(), love.graphics.getHeight())

	local MapScene = require("MapScene")()

	local btn0, btn1, btn2
	local title_img = love.graphics.newImage("TankWarsTitle.png")

	btn0 = Button.new(220, 290, 200, 40)
	btn0.title = "New Game"
	btn0.callback = function ()
		SceneManager.load(MapScene)
	end

	btn1 = Button.new(220, 335, 200, 40)
	btn1.title = "Load Game"
	btn1.disabled = true

	btn2 = Button.new(220, 380, 200, 40)
	btn2.title = "Exit"
	btn2.callback = function ()
		love.event.quit()
	end

	self.mousepressed = function (x, y, button, isTouch)
		btn0.onMousePress(x, y)
		btn1.onMousePress(x, y)
		btn2.onMousePress(x, y)
	end

	self.mousereleased = function (x, y, button, isTouch)
		btn0.onMouseRelease(x, y)
		btn1.onMouseRelease(x, y)
		btn2.onMouseRelease(x, y)
	end

	self.update = function (dt)
		btn0.update(dt)
		btn1.update(dt)
		btn2.update(dt)
	end

	self.draw = function ()
		love.graphics.draw(title_img)

		btn0.draw()
		btn1.draw()
		btn2.draw()
	end

	return self
end

return MainScene