1.引言
今天在网上找到了FlappyBird的图片资源，虽然是整图，但我用pngSplit分成了独立子图，这样就可以使用了。所以会尝试尽量实现这个经典游戏，由于没有太集中的时间，所以只能一天写一点，所以本文只是该游戏的一部分。
2.代码部分
#ifndef MAIN_SCENE_H_
#define MAIN_SCENE_H_
#include"cocos2d.h"
USING_NS_CC;
class MainScene:public Layer
{
public:
bool init()override;
static Scene* createScene();
CREATE_FUNC(MainScene);
private:
void update(float)override;
Sprite* bgDownSprite;
int offset = 0;
void loadResource();
int rate = 1;
};
#endif // !MAIN_SCENE_H_
#include "MainScene.h"
#include"ui/CocosGUI.h"
using namespace ui;
bool MainScene::init()
{
if (!Layer::init())
{
return false;
}
//get window size
const auto size = Director::getInstance()->getVisibleSize();
//load resource
loadResource();
//set background
auto bgSprite = Sprite::create("media/0.png");
bgSprite->setPosition(Vec2(size.width / 2, 368));
this->addChild(bgSprite);
bgDownSprite = Sprite::create("media/2.png", Rect(0, 0, 288, 112));
bgDownSprite->setPosition(Vec2(size.width / 2, 56));
this->addChild(bgDownSprite);
//game title
auto titleSprite = Sprite::create("media/16.png");
titleSprite->setPosition(Vec2(size.width / 2, size.height / 2 + 150));
this->addChild(titleSprite);
//rate
auto rateButton = Button::create("media/4.png");
rateButton->setPosition(Vec2(size.width / 2, size.height / 2));
this->addChild(rateButton);
rateButton->addTouchEventListener([&](Ref* pSender, Widget::TouchEventType type)
{
switch (type)
{
case cocos2d::ui::Widget::TouchEventType::BEGAN:
if (rate > 5)
{
rate = 0;
}
break;
case cocos2d::ui::Widget::TouchEventType::MOVED:
break;
case cocos2d::ui::Widget::TouchEventType::ENDED:
rate++;
break;
case cocos2d::ui::Widget::TouchEventType::CANCELED:
break;
default:
break;
}
});
//menu
auto leftButton = Button::create("media/18.png");
leftButton->setPosition(Vec2(size.width / 2 - 80, size.height / 2 - 80));
this->addChild(leftButton);
leftButton->addTouchEventListener([](Ref* pSender,Widget::TouchEventType type)
{
});
auto rightButton = Button::create("media/19.png");
rightButton->setPosition(Vec2(size.width / 2 + 80, size.height / 2 - 80));
this->addChild(rightButton);
rightButton->addTouchEventListener([](Ref* pSender,Widget::TouchEventType type)
{
});
//flybird
auto flybirdSprite = Sprite::create("media/55.png");
flybirdSprite->setPosition(Vec2(size.width / 2, size.height / 2 + 60));
this->addChild(flybirdSprite);
//down-to-top
auto moveby = MoveBy::create(0.5f, Vec2(0, 20));
auto moveUp = EaseCubicActionOut::create(moveby);
auto moveDown = EaseCubicActionIn::create(moveby->reverse());
flybirdSprite->runAction(RepeatForever::create(Sequence::create(moveUp, moveDown, nullptr)));
//animate
auto flybirdAnimate = Animate::create(AnimationCache::getInstance()->getAnimation("birdfly"));
flybirdSprite->runAction(flybirdAnimate);
//update the bottom background
scheduleUpdate();
return true;
}
Scene* MainScene::createScene()
{
auto scene = Scene::create();
auto layer = MainScene::create();
scene->addChild(layer);
return scene;
}
void MainScene::update(float)
{
offset += rate;
if (offset > 49)
{
offset = 0;
}
else
{
bgDownSprite->setTextureRect(Rect(offset, 0, 288, 112));
}
}
void MainScene::loadResource()
{
//create animation
auto birdAnimation = Animation::create();
birdAnimation->addSpriteFrame(SpriteFrame::create("media/52.png", Rect(0, 0, 34, 24)));
birdAnimation->addSpriteFrame(SpriteFrame::create("media/55.png", Rect(0, 0, 34, 24)));
birdAnimation->addSpriteFrame(SpriteFrame::create("media/58.png", Rect(0, 0, 34, 24)));
birdAnimation->setDelayPerUnit(0.2f);
birdAnimation->setRestoreOriginalFrame(true);
birdAnimation->setLoops(-1);
AnimationCache::getInstance()->addAnimation(birdAnimation, "birdfly");
}
3.效果图
