--[[

CocosDenshionTest.lua

Cocos2d-x 音頻支持

]]--

require "AudioEngine"

local EFFECT_FILE = "effect1.wav"

local MUSIC_FILE = nil

-- 獲取目標平臺

local targetPlatform = cc.Application:getInstance():getTargetPlatform()

-- iphone或者ipad

if (cc.PLATFORM_OS_IPHONE == targetPlatform) or (cc.PLATFORM_OS_IPAD == targetPlatform) then

MUSIC_FILE = "background.caf" -- caf格式

else

MUSIC_FILE = "background.mp3" -- mp3格式

end

local LINE_SPACE = 40

local function CocosDenshionTest()

local ret = cc.Layer:create()

local m_pItmeMenu = nil

local m_tBeginPos = cc.p(0, 0)

local m_nSoundId = 0

-- 測試菜單項

local testItems = {

"play background music",

"stop background music",

"pause background music",

"resume background music",

"rewind background music",

"is background music playing",

"play effect",

"play effect repeatly",

"stop effect",

"unload effect",

"add background music volume",

"sub background music volume",

"add effects volume",

"sub effects volume",

"pause effect",

"resume effect",

"pause all effects",

"resume all effects",

"stop all effects"

}

-- 菜單回調方法

local function menuCallback(tag, pMenuItem)

local nIdx = pMenuItem:getLocalZOrder() - 10000

-- play background music

if nIdx == 0 then

AudioEngine.playMusic(MUSIC_FILE, true) -- 播放音樂

elseif nIdx == 1 then

-- stop background music

AudioEngine.stopMusic() -- 停止背景音樂

elseif nIdx == 2 then

-- pause background music

AudioEngine.pauseMusic() -- 暫停音樂

elseif nIdx == 3 then

-- resume background music

AudioEngine.resumeMusic() -- 繼續播放音樂

-- rewind background music

elseif nIdx == 4 then

AudioEngine.rewindMusic() -- 循環播放

elseif nIdx == 5 then

-- is background music playing

if AudioEngine.isMusicPlaying () then -- 音樂正在播放

cclog("background music is playing")

else

cclog("background music is not playing")

end

elseif nIdx == 6 then

-- play effect

m_nSoundId = AudioEngine.playEffect(EFFECT_FILE) -- 播放音效

elseif nIdx == 7 then

-- play effect

m_nSoundId = AudioEngine.playEffect(EFFECT_FILE, true) -- 播放音效，第二個參數表示是否循環，true表示循環

elseif nIdx == 8 then

-- stop effect

AudioEngine.stopEffect(m_nSoundId) -- 停止音效

elseif nIdx == 9 then

-- unload effect

AudioEngine.unloadEffect(EFFECT_FILE) -- 不加載音效

elseif nIdx == 10 then

-- add bakcground music volume

AudioEngine.setMusicVolume(AudioEngine.getMusicVolume() + 0.1) -- 增加音量

elseif nIdx == 11 then

-- sub backgroud music volume

AudioEngine.setMusicVolume(AudioEngine.getMusicVolume() - 0.1) -- 減小音量

elseif nIdx == 12 then

-- add effects volume

AudioEngine.setEffectsVolume(AudioEngine.getEffectsVolume() + 0.1) -- 增加音效音量

elseif nIdx == 13 then

-- sub effects volume

AudioEngine.setEffectsVolume(AudioEngine.getEffectsVolume() - 0.1) -- 減少音效音量

elseif nIdx == 14 then

AudioEngine.pauseEffect(m_nSoundId) -- 暫停音效

elseif nIdx == 15 then

AudioEngine.resumeEffect(m_nSoundId) -- 恢復音效

elseif nIdx == 16 then

AudioEngine.pauseAllEffects() -- 暫停所有音效

elseif nIdx == 17 then

AudioEngine.resumeAllEffects() -- 恢復所有音效

elseif nIdx == 18 then

AudioEngine.stopAllEffects() -- 停止所有音效

end

end

-- add menu items for tests

m_pItmeMenu = cc.Menu:create() -- 創建菜單

m_nTestCount = table.getn(testItems)

local i = 1

for i = 1, m_nTestCount do

local label = cc.Label:createWithTTF(testItems[i], s_arialPath, 24)

label:setAnchorPoint(cc.p(0.5, 0.5))

local pMenuItem = cc.MenuItemLabel:create(label) -- 菜單標簽

pMenuItem:registerScriptTapHandler(menuCallback) -- 注冊菜單回調方法

m_pItmeMenu:addChild(pMenuItem, i + 10000 -1)

pMenuItem:setPosition( cc.p( VisibleRect:center().x, (VisibleRect:top().y - i * LINE_SPACE) ))

end

-- 設置菜單內容大小

m_pItmeMenu:setContentSize(cc.size(VisibleRect:getVisibleRect().width, (m_nTestCount + 1) * LINE_SPACE))

m_pItmeMenu:setPosition(cc.p(0, 0))

ret:addChild(m_pItmeMenu)

-- preload background music and effect

AudioEngine.preloadMusic( MUSIC_FILE ) -- 預加載音樂

AudioEngine.preloadEffect( EFFECT_FILE ) -- 預加載音效

-- set default volume

AudioEngine.setEffectsVolume(0.5) -- 設置音效音量

AudioEngine.setMusicVolume(0.5) -- 設置音樂音量

local function onNodeEvent(event)

if event == "enter" then -- 進來時

elseif event == "exit" then -- 退出時

AudioEngine.destroyInstance() -- 銷毀對象

end

end

-- 注冊層的結點事件

ret:registerScriptHandler(onNodeEvent)

local prev = {x = 0, y = 0}

local function onTouchEvent(eventType, x, y)

if eventType == "began" then -- 開始點擊

prev.x = x

prev.y = y

m_tBeginPos = cc.p(x, y) -- 開始點擊位置

return true

elseif eventType == "moved" then -- 移動事件

local touchLocation = cc.p(x, y) -- 獲取觸摸的位置

local nMoveY = touchLocation.y - m_tBeginPos.y -- 觸摸位置減去開始位置等于移動的距離

local curPosX, curPosY = m_pItmeMenu:getPosition() -- 獲取當前菜單的位置

local curPos = cc.p(curPosX, curPosY) -- 當前位置

local nextPos = cc.p(curPos.x, curPos.y + nMoveY) -- 下一個位置

if nextPos.y < 0.0 then

m_pItmeMenu:setPosition(cc.p(0, 0))

end

if nextPos.y > ((m_nTestCount + 1)* LINE_SPACE - VisibleRect:getVisibleRect().height) then

m_pItmeMenu:setPosition(cc.p(0, ((m_nTestCount + 1)* LINE_SPACE - VisibleRect:getVisibleRect().height)))

end

m_pItmeMenu:setPosition(nextPos)

m_tBeginPos.x = touchLocation.x -- 重新記錄開始位置

m_tBeginPos.y = touchLocation.y

prev.x = x

prev.y = y

end

end

-- 觸摸開始回調方法

local function onTouchBegan(touch, event)

local location = touch:getLocation()

prev.x = location.x

prev.y = location.y

m_tBeginPos = location

return true

end

-- 觸摸移動的回調方法

local function onTouchMoved(touch, event)

local location = touch:getLocation()

local touchLocation = location

local nMoveY = touchLocation.y - m_tBeginPos.y

local curPosX, curPosY = m_pItmeMenu:getPosition()

local curPos = cc.p(curPosX, curPosY)

local nextPos = cc.p(curPos.x, curPos.y + nMoveY)

if nextPos.y < 0.0 then

m_pItmeMenu:setPosition(cc.p(0, 0))

end

if nextPos.y > ((m_nTestCount + 1)* LINE_SPACE - VisibleRect:getVisibleRect().height) then

m_pItmeMenu:setPosition(cc.p(0, ((m_nTestCount + 1)* LINE_SPACE - VisibleRect:getVisibleRect().height)))

end

m_pItmeMenu:setPosition(nextPos)

m_tBeginPos.x = touchLocation.x

m_tBeginPos.y = touchLocation.y

prev.x = location.x

prev.y = location.y

end

-- 單點觸摸

local listener = cc.EventListenerTouchOneByOne:create()

listener:setSwallowTouches(true)

-- 注冊腳本監聽事件

listener:registerScriptHandler(onTouchBegan,cc.Handler.EVENT_TOUCH_BEGAN )

listener:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED )

local eventDispatcher = ret:getEventDispatcher()

eventDispatcher:addEventListenerWithSceneGraphPriority(listener, ret)

return ret

end

function CocosDenshionTestMain()

cclog("CocosDenshionTestMain")

local scene = cc.Scene:create()

scene:addChild(CocosDenshionTest())

scene:addChild(CreateBackMenuItem())

return scene

end

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