cocos2dx 利用CCOrbitCamera实现扑克牌翻牌效果

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1. #include "HelloWorldScene.h"
2. #include "SimpleAudioEngine.h"
3. using namespace cocos2d;
4. using namespace CocosDenshion;
5. CCScene* HelloWorld::scene()
6. {
7. CCScene *scene = CCScene::create();
8. HelloWorld *layer = HelloWorld::create();
9. scene->addChild(layer);
10. return scene;
11. }
12. bool HelloWorld::init()
13. {
14. if ( !CCLayer::init() )
15. {
16. return false;
17. }
18. size = CCDirector::sharedDirector()->getWinSize();
19. //加一背景
20. CCLayerColor* background = CCLayerColor::create(ccc4(255, 180, 255, 255), size.width, size.height);
21. this->addChild(background);
22. actionIsDone = true;//标示动作是否完毕
23. createPoker(); //创建扑克
24. return true;
25. }
26. //创建扑克
27. void HelloWorld::createPoker()
28. {
29. //扑克牌正面
30. CCSprite* pokerFront = CCSprite::create("poker_front.png");
31. pokerFront->setVisible(false);
32. pokerFront->setPosition(ccp(size.width/2, size.height/2));
33. this->addChild(pokerFront,1,123);
34. //扑克牌反面
35. CCSprite* pokerBack = CCSprite::create("poker_back.png");
36. pokerBack->setPosition(pokerFront->getPosition());
37. this->addChild(pokerBack,1,321);
38. }
39. //翻牌动作
40. void HelloWorld::startOrbitAction()
41. {
42. //扑克牌正面
43. CCSprite* pokerFront = (CCSprite*)this->getChildByTag(123);
44. //扑克牌反面
45. CCSprite* pokerBack = (CCSprite*)this->getChildByTag(321);
46. float orbitTime = 1;
47. if (pokerFront->isVisible() == false && actionIsDone == true) {
48. actionIsDone = false;
49. //第一个參数是旋转的时间，第二个參数是起始半径，第三个參数半径差。第四个參数是起始Z角。
50. 第五个參数是旋转Z角差。第六个參数是起始X角。最后一个參数旋转X角差，
51. //顺时钟翻转

            CCOrbitCamera* orbitFront = CCOrbitCamera::create(orbitTime, 1, 0, 270, 90, 0, 0);

52. CCSequence* sequenceFront = CCSequence::createWithTwoActions(CCShow::create(), orbitFront);
53. CCTargetedAction* targetFront = CCTargetedAction::create(pokerFront, sequenceFront);
54. CCOrbitCamera* orbitBack = CCOrbitCamera::create(orbitTime, 1, 0, 0, 90, 0, 0);
55. pokerBack->runAction(CCSequence::create(orbitBack, CCHide::create(), targetFront, CCCallFunc::create(this, callfunc_selector(HelloWorld::actionIsDownFunc)),NULL));
56. }else if(pokerFront->isVisible() == true && actionIsDone == true){
57. actionIsDone = false;
58. //逆时钟翻转

            CCOrbitCamera* orbitFront = CCOrbitCamera::create(orbitTime, 1, 0, 270, 90, 180, 0);

59. CCSequence* sequenceFront = CCSequence::createWithTwoActions(CCShow::create(), orbitFront);
60. CCTargetedAction* targetFront = CCTargetedAction::create(pokerBack, sequenceFront);
61. CCOrbitCamera* orbitBack = CCOrbitCamera::create(orbitTime, 1, 0, 0, 90, 0, 0);
62. pokerFront->runAction(CCSequence::create(orbitBack, CCHide::create(), targetFront, CCCallFunc::create(this, callfunc_selector(HelloWorld::actionIsDownFunc)),NULL));
63. }
64. }
65. void HelloWorld::actionIsDownFunc()
66. {
67. actionIsDone = true;
68. }
69. bool HelloWorld::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
70. {
71. //翻牌动作
72. startOrbitAction();
73. return true;
74. }
75. void HelloWorld::ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent){}
76. void HelloWorld::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent){}
77. void HelloWorld::onEnter()
78. {
79. CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, 0, false);
80. CCLayer::onEnter();
81. }
82. void HelloWorld::onExit()
83. {
84. CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this);
85. CCLayer::onExit();
86. }
87. HelloWorld::~HelloWorld(){}

两张扑克牌资源：

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