module(..., package.seeall)
local physics = require("physics")
---------------------------------------------------------------
-- GROUPS
---------------------------------------------------------------
 
local localGroup = display.newGroup()
local gameLayer    = display.newGroup()
local enemiesLayer = display.newGroup()
 
---------------------------------------------------------------
-- DISPLAY OBJECTS
---------------------------------------------------------------
 
local background = display.newRect(0,0,320,480)
local player = display.newImage("assets/graphics/player.png")
local player2 = display.newImage("assets/graphics/player.png")
 
 
---------------------------------------------------------------
-- LISTENERS
---------------------------------------------------------------
 
local function onCollision(self, event)
        -- Bullet hit enemy
        if self.name == "bullet" and event.other.name == "enemy" and gameIsActive then
                -- Increase score
                score = score + 1
                scoreText.text = score
                
                -- Play Sound
                audio.play(sounds.boom)
                
                table.insert(toRemove, event.other)
        
 
        end
end
 
--------------------------------------------------------------------------------
-- Basic controls
--------------------------------------------------------------------------------
local function playerMovement(event)
        -- Doesn't respond if the game is ended
        if not gameIsActive then return false end
        
        -- Only move to the screen boundaries
        if event.x >= halfPlayerWidth and event.x <= display.contentWidth - halfPlayerWidth or event.y >= halfPlayerHeight and event.y <= display.contentHeight - halfPlayerHeight then
                -- Update player x axis
                player.x = event.x
                player.y = event.y
        end
end
---------------------------------------------------------------
-- INIT VARS
---------------------------------------------------------------
 
local function initVars ()
        print("init vars got HIT!!")
        
        audio.setMaxVolume( 0.85, { channel=1 } )
 
        physics.start()
        physics.setGravity(0, 20)
        local sounds
        sounds = {
                pew = audio.loadSound("assets/sounds/pew.wav"),
                boom = audio.loadSound("assets/sounds/boom.wav"),
                gameOver = audio.loadSound("assets/sounds/gameOver.wav")
        }
 
        physics.addBody(player, "dynamic", {bounce = 0.1})
        physics.addBody(player2, "static", {bounce = 0})
 
 
        --physics.addBody(rect, "static")
 
        
        -----------------------------------
        -- Inserts
        -----------------------------------
        
        localGroup:insert(background)
        --gameLayer:insert(scoreText)
        localGroup:insert(enemiesLayer)
        
        
        -----------------------------------
        -- Listeners
        -----------------------------------
        
        --background:addEventListener( "touch" , touched )
        Runtime:addEventListener("enterFrame", gameLoop)
        -- Player will listen to touches
        player:addEventListener("touch", playerMovement)
        player.collision = onCollision
        player:addEventListener("collision", player)
        
        
end                                                                                                                     --
--------------------------------------------------------------------------------
-- Take care of collisions
 
local function gameLoop(event)
        if gameIsActive then
                -- Remove collided enemy planes
                for i = 1, #toRemove do
                        toRemove[i].parent:remove(toRemove[i])
                        toRemove[i] = nil
                end
        
end
end