Cocos2d-x Lua学习【1】基本元素的创建

概述1、基本层 function GameScene:createInGameLayer() local inGameLayer = cc.Layer::create(); return inGameLayer;end 2、基本场景 local sceneGame = cc.Scene:create() sceneGame:addChild(create 1、基本层

function GameScene:createInGameLayer()        local inGameLayer = cc.Layer::create();        return inGameLayer;end

2、基本场景

 local sceneGame = cc.Scene:create()      sceneGame:addChild(createInGameLayer())    cc.Director:getInstance():runWithScene(sceneGame)  cc.Director:getInstance():replaceScene(cc.TransitionFade:create(1,WelcomeScene.createScene())) 

3、基本精灵

function createInGameLayer()           local inGameLayer = cc.Layer:create()          local bg = cc.Sprite:create("farm.jpg")          bg:setAnchorPoint(0,0)          inGameLayer:addChild(bg)          return inGameLayer  end  

4、基本定时器

local function tick()                     end           cc.Director:getInstance():getScheduler():scheduleScriptFunc(tick,false)  

5、基本触摸事件

local touchBeginPoint = nil          local function ontouchBegan(touch,event)              local location = touch:getLocation()              cclog("ontouchBegan: %0.2f,%0.2f",location.x,location.y)              touchBeginPoint = {x = location.x,y = location.y}              -- CCtouchBEGAN event must return true              --[[多点               for i = 1,table.getn(touches) do               local location = touches[i]:getLocation()               Sprite1.addNewSpriteWithCoords(Helper.currentLayer,location)               end              ]]--              return true          end            local function ontouchmoved(touch,event)              local location = touch:getLocation()              cclog("ontouchmoved: %0.2f,location.y)              if touchBeginPoint then                  local cx,cy = layerFarm:getposition()                  layerFarm:setposition(cx + location.x - touchBeginPoint.x,cy + location.y - touchBeginPoint.y)                  touchBeginPoint = {x = location.x,y = location.y}              end          end            local function ontouchended(touch,event)              local location = touch:getLocation()              cclog("ontouchended: %0.2f,location.y)              touchBeginPoint = nil              spriteDog.isPaused = false          end            local Listener = cc.EventListenertouchOneByOne:create()          --local Listener = cc.EventListenertouchAllAtOnce:create() 多点          Listener:registerScriptHandler(ontouchBegan,cc.Handler.EVENT_touch_BEGAN )          Listener:registerScriptHandler(ontouchmoved,cc.Handler.EVENT_touch_MOVED )          Listener:registerScriptHandler(ontouchended,cc.Handler.EVENT_touch_ENDED )          local eventdispatcher = layerFarm:getEventdispatcher()          eventdispatcher:addEventListenerWithSceneGraPHPriority(Listener,layerFarm) 

6、基本音乐

--local bgMusicPath = CCfileUtils:getInstance():fullPathForfilename("background.ogg")       local bgMusicPath = cc.fileUtils:getInstance():fullPathForfilename("background.mp3")       cc.SimpleAudioEngine:getInstance():playMusic(bgMusicPath,true)     local effectPath = cc.fileUtils:getInstance():fullPathForfilename("effect1.wav")       cc.SimpleAudioEngine:getInstance():preloadEffect(effectPath)       local function menuCallbackOpenPopup()             -- loop test sound effect             local effectPath = cc.fileUtils:getInstance():fullPathForfilename("effect1.wav")             effectID = cc.SimpleAudioEngine:getInstance():playEffect(effectPath)             menuPopup:setVisible(true)         end  

7、基本加载图片

cc.Director:getInstance():getTextureCache():addImageAsync("DartBlood.png",imageLoaded)  local texture0 = cc.Director:getInstance():getTextureCache():addImage( "Images/grossini_dance_atlas.png")    function LoadingScene.imageLoaded( pObj)      -- body  end    cc.Director:getInstance():getTextureCache():removeTextureForKey("Images/grossinis_sister1-testAlpha.png")  cc.Director:getInstance():getTextureCache():removeAllTextures()  cc.Director:getInstance():getTextureCache():removeUnusedTextures()    local cache = cc.SpriteFrameCache:getInstance()  cache:addSpriteFrames("animations/grossini_gray.pList","animations/grossini_gray.png")  SpriteFrameTest.m_pSprite1 = cc.Sprite:createWithSpriteFramename("grossini_dance_01.png")  

8、基本动作

local function CallFucnCallback1()        end    local action = cc.Sequence:create(          cc.MoveBy:create(2,cc.p(200,0)),cc.CallFunc:create(CallFucnCallback1) )   grossini:runAction(action)  

9、基本格式化输出字符串

string.format("grossini_dance_%02d.png",j + 1)  

10、基本按钮

local start = cc.Sprite:createWithSpriteFramename("start.png")      local  startItem = cc.MenuItemSprite:create(start,start,start)      local function menuCallback(sender)      cclog("menuCallback...")      --tolua.cast(ret:getParent(),"cc.LayerMultiplex"):switchTo(1)  end      startItem:registerScriptTapHandler(menuCallback)  startItem:setposition(50,50)      local  menu = cc.Menu:create()  menu:addChild(startItem)  menu:setposition(0,0)  layer:addChild(menu)  

11、基本菜单

-- create menufunction GameScene:createLayerMenu()    local layerMenu = cc.Layer:create()    local menuPopup,menuTools,effectID    local function menuCallbackClosePopup()        -- stop test sound effect        cc.SimpleAudioEngine:getInstance():stopEffect(effectID)        menuPopup:setVisible(false)    end    local function menuCallbackOpenPopup()        -- loop test sound effect        local effectPath = cc.fileUtils:getInstance():fullPathForfilename("effect1.wav")        effectID = cc.SimpleAudioEngine:getInstance():playEffect(effectPath)        menuPopup:setVisible(true)    end    -- add a popup menu    local menuPopupItem = cc.MenuItemImage:create("menu2.png","menu2.png")    menuPopupItem:setposition(0,0)    menuPopupItem:registerScriptTapHandler(menuCallbackClosePopup)    menuPopup = cc.Menu:create(menuPopupItem)    menuPopup:setposition(self.origin.x + self.visibleSize.wIDth / 2,self.origin.y + self.visibleSize.height / 2)    menuPopup:setVisible(false)    layerMenu:addChild(menuPopup)    -- add the left-bottom "tools" menu to invoke menuPopup    local menuToolsItem = cc.MenuItemImage:create("menu1.png","menu1.png")    menuToolsItem:setposition(0,0)    menuToolsItem:registerScriptTapHandler(menuCallbackOpenPopup)    menuTools = cc.Menu:create(menuToolsItem)    local itemWIDth = menuToolsItem:getContentSize().wIDth    local itemHeight = menuToolsItem:getContentSize().height    menuTools:setposition(self.origin.x + itemWIDth/2,self.origin.y + itemHeight/2)    layerMenu:addChild(menuTools)    return layerMenuend

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