Central-Defence/level1.lua at master · drowne/Central-Defence · GitHub

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module (..., package.seeall)

local director 	= require ("director")
local physics 	= require( "physics" )
local globalLayer
local gameLayer

-- external modules
local cannon	= require("cannon")
local cannonInstance
local enemy 	= require("enemy")
local gamestate = require("gamestate")

local _H = display.contentHeight
local _W = display.contentWidth

_G.firstTouch = true

function touchListener(event)

	if not _G.firstTouch then

		if not _G.gameEnded then
			if event.phase == "began" then

				cannon.setRotation(event.x, event.y)
				cannon.startShooting()

			else

				if event.phase == "moved" then

					cannon.setRotation(event.x, event.y)

				else

					if event.phase == "ended" then

						cannon.stopShooting()

					end

				end

			end

		end

	else

		_G.firstTouch = false

	end

end

function init()
	--physics.setDrawMode( "hybrid" )

	physics.start()
	physics.setGravity( 0, 0 )

	globalLayer = display.newGroup()
	gameLayer = display.newGroup()
	globalLayer:insert(gameLayer)
	globalLayer:insert(gamestate.new())

end

function setupBackground()

	local background = display.newImage("background.png")
	gameLayer:insert(background)
	background.x = _W/2
	background.y = _H/2
	background:scale(1.5, 1.5)

end

function new()

	init()

	setupBackground()
	cannonInstance = cannon.new()
	gameLayer:insert(cannonInstance)

	gamestate.startSpawningEnemies()

	Runtime:addEventListener( "touch", touchListener )

	return globalLayer
end