module(..., package.seeall)
 
function new()
        local localGroup = display.newGroup()
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local physics = require("physics")
physics.start()
 
display.setStatusBar( display.HiddenStatusBar )
 
--
local background = display.newImageRect( "water.png", 320, 480 )
background:setReferencePoint( display.CenterLeftReferencePoint )
background.x = 0; background.y = 240 
localGroup:insert( background )
 
--
local fish = display.newImageRect( "fish.png", 71, 138 )
fish:setReferencePoint( display.CenterLeftReferencePoint )
fish.x = 160; fish.y = 360 
physics.addBody( fish, "kinematic" )
localGroup:insert( fish )
 
--
local gulp = audio.loadSound( "gulp.caf" )
 
local function playGulp()
    audio.play(gulp);
end
 
fish:addEventListener ( "collision", playGulp )
 
--
local removeBody = function( event )
        local t = event.target
        local phase = event.phase
 
        if "began" == phase then
                t:removeSelf()
        end
 
 
        return true
end
 
--
local foods = {}
 
local randomFood = function()
 
        choiceFood = math.random( 100 )
        local food
        
        
        if ( choiceFood < 80 ) then
                food = display.newImageRect( "worm.png", 28, 38 )
                food.x = 40 + math.random( 260 ); food.y = -40
                physics.addBody( food, { density=0.6, friction=0.6} )
        
        else
                food = display.newImageRect( "worm.png", 28, 38 )
                food.x = 40 + math.random( 260 ); food.y = -40
                physics.addBody( food, { density=2.0, friction=0.6} )
        
        end
        
        foods[#foods + 1] = food
        food.collision = onLocalCollision
        food:addEventListener( "collision", removeBody )
        localGroup:insert( food )
end
 
timer.performWithDelay( 1500, randomFood, 0 )
 
local function onLocalCollision( self, event )
        if ( event.phase == "ended" ) then
        local c = event.target
        local phase = event.phase
 
        if "ended" == phase then
                c:removeSelf()
        end
end
 
        return true
end
 
local function onTouch( event )
        local t = event.target
 
        local phase = event.phase
        if "began" == phase then
                local parent = t.parent
                parent:insert( t )
                display.getCurrentStage():setFocus( t )
 
                t.isFocus = true
                
                t.x0 = event.x - t.x
        elseif t.isFocus then
                if "moved" == phase then
                        t.x = event.x - t.x0
                elseif "ended" == phase or "cancelled" == phase then
                        display.getCurrentStage({bounds= 10, 10, 200, 50}):setFocus( nil )
                        t.isFocus = false
                end
        end
 
        return true
end
 
fish:addEventListener ( "touch", onTouch )
 
--
local exitButton = display.newImageRect( "exitButton.png", 32, 32 )
exitButton:setReferencePoint( display.CenterLeftReferencePoint )
exitButton.x = 285; exitButton.y = 20 
exitButton.alpha = .5
localGroup:insert( exitButton )
 
local function pressExit (event)
if event.phase == "ended" then
director:changeScene ("menu", "crossfade")
end
end
 
exitButton:addEventListener( "touch", pressExit )
 
--
local function stopPhysics (event)
if event.phase == "ended" then
physics.pause()
end
end
 
exitButton:addEventListener( "touch", stopPhysics )
 
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        return localGroup
end