2019独角兽企业重金招聘Python工程师标准>>>

[cpp]  view plain copy

1. winSize = CCDirector::sharedDirector()->getWinSize();
2. //添加背景 0 ；1；
3. CCSprite* sl = CCSprite::create(s_loading);
4. sl->setScaleX(winSize.width/sl->getContentSize().width);
5. sl->setScaleY(winSize.height/sl->getContentSize().height);
6. sl->setAnchorPoint(ccp(0, 0));
7. this->addChild(sl,0,1);

[cpp]  view plain copy

1. CCSprite* aboutNormal = CCSprite::create(s_menu, CCRectMake(252, 0, 126, 33));
2. CCSprite* aboutSelected = CCSprite::create(s_menu, CCRectMake(252, 33, 126, 33));
3. CCSprite* aboutDesabled = CCSprite::create(s_menu, CCRectMake(252, 33*2, 126, 33));
4. CCMenuItemSprite* about = CCMenuItemSprite::create(aboutNormal, aboutSelected, aboutDesabled,
5. this, menu_selector(StartMenu::menuCallback));//StartMenu::menuCallback
6. /“关于”按钮tag为21
7. about->setTag(21);

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1. menu->alignItemsVerticallyWithPadding(20);

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1. //飞船在初始界面移动函数
2. void StartMenu::update(float dt)
3. {
4. if (m_ship->getPosition().y > winSize.height)
5. {
6. CCPoint pos = ccp(CCRANDOM_0_1() * winSize.width, 10);
7. m_ship->setPosition(pos);
8. m_ship->runAction(CCMoveBy::create(floor(5 * CCRANDOM_0_1()), ccp(CCRANDOM_0_1() * winSize.width, pos.y + winSize.height)));
9. }
10. }

[cpp]  view plain copy

1. //选择按钮时的音乐
2. void StartMenu::onButtonEffect()
3. {
4. if (Config::sharedConfig()->getAudioState()) {
5. SimpleAudioEngine::sharedEngine()->playEffect(s_buttonEffect);
6. }
7. }

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1. //选择开始游戏之后的效果
2. void StartMenu::flareEffect(CCObject* pSender)
3. {
4. onButtonEffect();
5. int n=0;
6. CCLog("begin>>>StartMenu::flareEffect",n);
7. Effect* flareEffect = Effect::create();
8. CCCallFunc *callback =  CCCallFunc::create(this, callfunc_selector(StartMenu::newGame));
9. CCLog("begin>>>StartMenu::flareEffect>>1",n);
10. flareEffect->flareEffect(this, callback);
11. CCLog("begin>>>StartMenu::flareEffect>>2",n);
12. }

[cpp]  view plain copy

1. void StartMenu::menuCallback(CCObject* pSender)
2. {
3. onButtonEffect();
4. int tag = dynamic_cast<CCNode*>(pSender)->getTag();
5. if (tag == 20) {
6. //转到"Options"
7. CCScene *scene = Options::scene();
8. CCDirector::sharedDirector()->replaceScene(CCTransitionFade::create(1.2, scene));
9. }

[cpp]  view plain copy

1. Effect* flareEffect = Effect::create();
2. CCCallFunc *callback =  CCCallFunc::create(this, callfunc_selector(StartMenu::newGame));
3. CCLog("begin>>>StartMenu::flareEffect>>1",n);
4. flareEffect->flareEffect(this, callback);

[cpp]  view plain copy

1. //执行完这个函数跳到StartMenu::newGame()开始游戏
2. void Effect::flareEffect(CCNode *parent, CCCallFunc *callback)
3. {
4. int n=0;
5. CCSize winSize = CCDirector::sharedDirector()->getWinSize();
6. // 特效图片
7. CCSprite *flare = CCSprite::create(s_flare);
8. // 设置混合模式
9. ccBlendFunc cbl = {GL_SRC_ALPHA, GL_ONE};
10. flare->setBlendFunc(cbl);
11. // 添加到父节点
12. parent->addChild(flare, 10);
13. // 设置初始透明度
14. flare->setOpacity(0);
15. // 设置初始位置
16. flare->setPosition(ccp(-30, winSize.height - 130));
17. // 设置初始角度
18. flare->setRotation(-120);
19. // 设置初始放大系数
20. flare->setScale(0.2);
21. // 透明度渐变
22. CCActionInterval *opacityAnim = CCFadeTo::create(0.5, 255);
23. CCActionInterval *opacDim = CCFadeTo::create(1, 0);
24. // 大小渐变
25. CCActionInterval *bigAnim = CCScaleBy::create(0.7, 1.2, 1.2);
26. // 渐变速度
27. CCEaseSineOut *biggerEase = CCEaseSineOut::create(bigAnim);
28. CCActionInterval *moveAnim = CCMoveBy::create(0.5, ccp(328, 0));
29. CCEaseSineOut *moveEase = CCEaseSineOut::create(moveAnim);
30. // 角度旋转
31. CCActionInterval *roteAnim = CCRotateBy::create(2.5, 90);
32. // 角度旋转速度，指数变化
33. CCEaseExponentialOut * rotateEase = CCEaseExponentialOut::create(roteAnim);
34. // 放大到原大小
35. CCScaleTo *bigger = CCScaleTo::create(0.5, 1);
36. // 动画完成后回调函数,干掉精灵
37. CCCallFuncN *removeFunc =  CCCallFuncN::create(flare, callfuncN_selector(Effect::killSprite));
38. // 执行动画和回调函数
39. flare->runAction(CCSequence::create(opacityAnim, biggerEase, opacDim, removeFunc, callback,  NULL));
40. flare->runAction(moveEase);
41. flare->runAction(rotateEase);
42. flare->runAction(bigger);
43. CCLog("end>>>Effect::flareEffect()",n);
44. }