(12) 初学cocos2dx lua

最基本的层

最基本的场景

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

最基本的精灵

localbg=cc.Sprite:create("farm.jpg")
1. bg:setAnchorPoint(0,0)
2. inGameLayer:addChild(bg)
3. returninGameLayer
4. end

localfunctiontick()
2. end
3. cc.Director:getInstance():getScheduler():scheduleScriptFunc(tick,false)

最基本的触摸事件

localtouchBeginPoint=nil
1. localfunctiononTouchBegan(touch,event)
2. locallocation=touch:getLocation()
3. cclog("onTouchBegan:%0.2f,%0.2f",location.x,location.y)
4. touchBeginPoint={x=location.x,y=location.y}
5. --CCTOUCHBEGANeventmustreturntrue
6. --[[多点
7. fori=1,table.getn(touches)do
8. locallocation=touches[i]:getLocation()
9. Sprite1.addNewSpriteWithCoords(Helper.currentLayer,location)
10. ]]--
11. returntrue
12. end
13. localfunctiononTouchMoved(touch,248); line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> cclog("onTouchMoved:%0.2f,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> iftouchBeginPointthen
14. localcx,cy=layerFarm:getPosition()
15. layerFarm:setPosition(cx+location.x-touchBeginPoint.x,
16. cy+location.y-touchBeginPoint.y)
17. localfunctiononTouchEnded(touch,event)
18. locallocation=touch:getLocation()
19. cclog("onTouchEnded:%0.2f,location.y)
20. touchBeginPoint=nil
21. spriteDog.isPaused=false
22. locallistener=cc.EventListenerTouchOneByOne:create()
23. --locallistener=cc.EventListenerTouchAllAtOnce:create()多点
24. listener:registerScriptHandler(onTouchBegan,cc.Handler.EVENT_TOUCH_BEGAN)
25. listener:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED)
26. listener:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED)
27. localeventDispatcher=layerFarm:getEventDispatcher()
28. eventDispatcher:addEventListenerWithSceneGraphPriority(listener,layerFarm)

--localbgMusicPath=CCFileUtils:getInstance():fullPathForFilename("background.ogg")
1. localbgMusicPath=cc.FileUtils:getInstance():fullPathForFilename("background.mp3")
2. cc.SimpleAudioEngine:getInstance():playMusic(bgMusicPath,true)
3. localeffectPath=cc.FileUtils:getInstance():fullPathForFilename("effect1.wav")
4. cc.SimpleAudioEngine:getInstance():preloadEffect(effectPath)
5. localfunctionmenuCallbackOpenPopup()
6. --looptestsoundeffect
7. effectID=cc.SimpleAudioEngine:getInstance():playEffect(effectPath)
8. menuPopup:setVisible(true)
9. 最基本的加载图片
   cc.Director:getInstance():getTextureCache():addImageAsync("DartBlood.png",imageLoaded)
   1. localtexture0=cc.Director:getInstance():getTextureCache():addImage("Images/grossini_dance_atlas.png")
   2. functionLoadingScene.imageLoaded(pObj)
   3. --body
   4. cc.Director:getInstance():getTextureCache():removeTextureForKey("Images/grossinis_sister1-testalpha.png")
   5. cc.Director:getInstance():getTextureCache():removeAllTextures()
   6. cc.Director:getInstance():getTextureCache():removeUnusedTextures()
   7. localcache=cc.SpriteFrameCache:getInstance()
   8. cache:addSpriteFrames("animations/grossini_gray.plist","animations/grossini_gray.png")
   9. SpriteFrameTest.m_pSprite1=cc.Sprite:createWithSpriteFrameName("grossini_dance_01.png")
   
   最基础的动作
   
   localfunctionCallFucnCallback1()
   1. localaction=cc.Sequence:create(
   2. cc.MoveBy:create(2,cc.p(200,0)),
   3. cc.CallFunc:create(CallFucnCallback1))
   4. grossini:runAction(action)
   
   最基础的字符格式化
   
   string.format("grossini_dance_%02d.png",j+1)
   
   最基础的按钮
   
   localstart=cc.Sprite:createWithSpriteFrameName("start.png")
   1. localstartItem=cc.MenuItemSprite:create(start,start,start)
   2. localfunctionmenuCallback(sender)
   3. cclog("menuCallback...")
   4. --tolua.cast(ret:getParent(),"cc.LayerMultiplex"):switchTo(1)
   5. startItem:registerScriptTapHandler(menuCallback)
   6. startItem:setPosition(50,50)
   7. localmenu=cc.Menu:create()
   8. menu:addChild(startItem)
   9. menu:setPosition(0,0)
   10. layer:addChild(menu)

   （编辑：李大同）

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