#include "cocos2d.h"typedef enum
{HudLayerTag = 2,GameLayerTag =1,}GameLayersTags;using namespace cocos2d;class InputLayer : public cocos2d::CCLayer
{
public:InputLayer();                //构造函数声明~InputLayer();                //析构函数声明CREATE_FUNC(InputLayer);    //类似于cocos2d中的node方法，返回一个autorelease对象virtual bool init();        //本类对象初始化void InitJoystick();        //初始化摇杆void InitHero();            //初始化主角精灵//void InitBullet();        //初始化子弹void InitFox();                //初始化敌人-9尾狐void update(float dt);        //定时器void Shootupdate(float dt);        //发射子弹定时器//主角精灵发射子弹void shootBulletFromHero(CCSprite *bullet, cocos2d::CCPoint point);void menuCloseCallback(CCObject* pSender);    //退出游戏按钮//触摸事件处理virtual void ccTouchesBegan(CCSet *pTouches, CCEvent *pEvent);virtual void ccTouchesMoved(CCSet *pTouches, CCEvent *pEvent);virtual void ccTouchesEnded(CCSet *pTouches, CCEvent *pEvent);float heronsformula(float x1, float y1, float x2, float y2, float x3, float y3);  bool triangleContainPoint(float x1, float y1, float x2, float y2, float x3, float y3, float px, float py);  void setPlayerPosition(cocos2d::CCPoint position);        //设置玩家位置
CC_SYNTHESIZE(cocos2d::CCSprite*, _player, Player);//CC_SYNTHESIZE();
private:void Moving(float dt);cocos2d::CCSprite *joystick;cocos2d::CCSprite *joystick1;cocos2d::CCSize size;//cocos2d::CCSpriteBatchNode *_spritebatchnode;
    cocos2d::CCPoint velocity;cocos2d::CCSprite *bullet;cocos2d::CCPoint O;        //中心点O  float R;                //大圆半径  //精灵移动的速度分量值  float speedX;  float speedY;  //是否移动的标志  bool IsMoving;  CCMotionStreak* _strike;        //主角精灵的CCMotionStreak变量CCMotionStreak* _bulletstrike;    //手里剑的CCMotionStreak变量
};

#include "InputLayer.h"InputLayer::InputLayer()
{//初始化需要的变量IsMoving = false;speedX = speedY = 0;size = CCDirector::sharedDirector()->getWinSize();
}InputLayer::~InputLayer()
{}bool InputLayer::init()
{bool bRet = false;do{//先初始化父类，如果失败则break循环CC_BREAK_IF(! CCLayer::init());//创建一个关闭按钮菜单置于屏幕右下角CCMenuItemLabel *txtmenItem = CCMenuItemLabel::create(CCLabelTTF::create("EXIT", "Arial", 20), this, menu_selector(InputLayer::menuCloseCallback));CC_BREAK_IF(! txtmenItem);txtmenItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width - txtmenItem->getContentSize().width/2, 20));CCMenu* pMenu = CCMenu::create(txtmenItem, NULL);pMenu->setPosition(CCPointZero);CC_BREAK_IF(! pMenu);// Add the menu to HelloWorld layer as a child layer.this->addChild(pMenu, 10);this->InitHero();                //初始化精灵this->setTouchEnabled(TRUE);    //打开触摸事件处理this->InitJoystick();            //初始化摇杆//this->InitBullet();                //初始化子弹this->InitFox();                //初始化敌人-9尾狐//每帧要执行的函数  this->schedule(schedule_selector(InputLayer::Moving));this->schedule(schedule_selector(InputLayer::Shootupdate));bRet = true;}while(0);return bRet;}void InputLayer::menuCloseCallback(CCObject* pSender)
{CCDirector::sharedDirector()->end();
}void InputLayer::InitJoystick()
{//创建摇杆下面部分 joystick1 = CCSprite::create("joystick1.png");  //设置透明度，锚点，位置joystick1->setOpacity(150);joystick1->setAnchorPoint(ccp(0, 0));joystick1->setPosition(ccp(0, 0));joystick1->setColor(ccGREEN);//大圆半径R=joystick1->getContentSize().width/2;  //中心点  O = ccp(R, R);  //添加进布景  this->addChild(joystick1, 3);//创建摇杆上面圆圈部分 joystick = CCSprite::create("joystick2.png");//设置位置为摇杆中心点并添加进布景joystick->setPosition(ccp(O.x, O.y));joystick->setColor(ccRED);joystick->setScale(0.5f);this->addChild(joystick, 4);}
void InputLayer::InitHero()
{CCSize size = CCDirector::sharedDirector()->getWinSize();this->setPlayer(CCSprite::create("hartnett.jpg"));_player->setScale(0.3f);float picsize = _player->getContentSize().width * 0.3f;_strike = CCMotionStreak::create(0.5f, picsize, picsize, ccWHITE, "hartnett.jpg");this->addChild(_strike);CCSize spSize = _player->getContentSize();_player->setPosition(ccp(size.width/2, spSize.height * 0.5f * 0.3f));this->addChild(_player);
}
void InputLayer::Moving(float dt)
{  if (IsMoving && (speedX != 0 || speedY != 0)){  //精灵移动CCPoint position = ccp(_player->getPosition().x + speedX * 3, _player->getPosition().y + speedY * 3);CCSize size = CCDirector::sharedDirector()->getWinSize();CCSize spSize = _player->getContentSize();CCRect rect = CCRectMake(spSize.width * 0.5f * 0.3f, spSize.height * 0.5f * 0.3f, size.width - spSize.width * 0.5f * 0.3f * 2, size.height - spSize.height * 0.5f * 0.3f * 2);  //判断触摸点是否在屏幕内  if(rect.containsPoint(position)){  _player->setPosition(position);_strike->setPosition(position);}  }
}  float InputLayer::heronsformula(float x1, float y1, float x2, float y2, float x3, float y3)
{  //求边长a  float a = sqrt(pow(x1 - x2, 2) + pow(y1 - y2, 2));  //求边长b  float b = sqrt(pow(x2 - x3, 2) + pow(y2 - y3, 2));  //求边长c  float c = sqrt(pow(x3 - x1, 2) + pow(y3 - y1, 2));  //求半周长s  float s = (a + b + c) / 2;  //根据海伦公式返回三角形面积  return sqrt(s * (s - a) * (s - b) * (s - c));
}  //判断三个新三角形面积和是否等于原先三角形面积的函数的实现
bool InputLayer::triangleContainPoint(float x1, float y1, float x2, float y2, float x3, float y3, float px, float py)
{  //求S1的面积  float s1=heronsformula(x1, y1, x2, y2, px, py);  //求S2的面积  float s2=heronsformula(x2, y2, x3, y3, px, py);  //求S3的面积  float s3=heronsformula(x3, y3, x1, y1, px, py);  //求S的面积  float s=heronsformula(x1, y1, x2, y2, x3, y3);  //返回S是否等于S1,S2,S3的和  return abs(s - (s1 + s2 + s3)) < 0.001f;
}  void InputLayer::ccTouchesBegan(CCSet *pTouches, CCEvent *pEvent)
{CCTouch *touch = (CCTouch*)pTouches->anyObject();  CCPoint location = touch->getLocation();  CCRect rect = joystick->boundingBox();  if (rect.containsPoint(location))  {  IsMoving = true;  }
}void InputLayer::ccTouchesMoved(CCSet *pTouches, CCEvent *pEvent)
{CCTouch *touch = (CCTouch*)pTouches->anyObject();  CCPoint location = touch->getLocation();  //判断触摸滑动点是否在摇杆范围内  bool inRange = pow(O.x - location.x, 2) + pow(O.y - location.y, 2) < pow(R, 2);  if (IsMoving && inRange){  CCPoint position=_player->getPosition();  joystick->setPosition(location);  float r = R * 2 / 6;  float d = R * 2 / 3;  //上，区域2或5  if(triangleContainPoint(O.x, O.y, O.x - r, O.y + r, O.x  +r, O.y + r, location.x, location.y)  || CCRectMake(O.x - r, O.y + r, d, d).containsPoint(location)){  speedX = 0;  speedY = 1;  }  //下，区域6或11  else if (triangleContainPoint(O.x, O.y, O.x - r, O.y - r, O.x + r, O.y - r, location.x, location.y)  || CCRectMake(O.x - r, O.y - r - d, d, d).containsPoint(location)){  speedX = 0;  speedY = -1;  }  //左，区域4或7  else if (triangleContainPoint(O.x, O.y, O.x - r, O.y + r, O.x - r, O.y - r, location.x, location.y)  || CCRectMake(O.x - r - d, O.y - r, d, d).containsPoint(location)){  speedX = -1;  speedY = 0;  }  //右，区域9或8  else if (triangleContainPoint(O.x, O.y, O.x + r, O.y + r, O.x + r, O.y - r, location.x, location.y)  || CCRectMake(O.x + r, O.y - r, d, d).containsPoint(location)){  speedX = 1;  speedY = 0;  }  //右上，区域3  else if (location.x - (O.x + r) > 0 && location.y - (O.y + r) > 0){  speedX = 0.7f;  speedY = 0.7f;  }  //左上，区域1  else if (location.x - (O.x - r) < 0 && location.y - (O.y + r) > 0){  speedX =- 0.7f;  speedY = 0.7f;  }  //左下，区域10  else if (location.x - (O.x - r) < 0 && location.y - (O.y - r) < 0){  speedX = -0.7f;  speedY = -0.7f;  }  //右下，区域12  else if (location.x - (O.x + r) > 0 && location.y - (O.y - r) < 0){  speedX = 0.7f;  speedY = -0.7f;  }}
}void InputLayer::ccTouchesEnded(CCSet *pTouches, CCEvent *pEvent)
{IsMoving = false;  joystick->setPosition(O);  speedX = speedY = 0;
}
/*
void InputLayer::InitBullet()
{_spritebatchnode = CCSpriteBatchNode::create("bullet.png");_spritebatchnode->setPosition(ccp(size.width, size.height/2));this->addChild(_spritebatchnode, 12);for (int i = 0; i < 200; i++){CCSprite *bullet = CCSprite::create("bullet.png");bullet->setPosition(ccp(-50, -50));        //置于屏幕外面bullet->setScale(0.3f);_spritebatchnode->addChild(bullet);}
}
*/
void InputLayer::InitFox()
{CCSprite *tmpfox = CCSprite::create("fox.png");CCSize foxsize = tmpfox->getContentSize();//tmpfox->setPosition(ccp(size.width/2, size.height/2));//tmpfox->setScale(0.3f);//this->addChild(tmpfox);//CCLOG("Fox num %d", (int)(size.width / foxsize.width / 0.3f));int foxnum = (int)(size.width / foxsize.width / 0.3f);for (int i = 0; i < foxnum; i++){CCSprite *fox = CCSprite::create("fox.png");fox->setScale(0.3f);fox->setPosition(ccp(foxsize.width * 0.3f * 0.5f + i * foxsize.width * 0.3f, size.height - foxsize.height * 0.5f * 0.3f));this->addChild(fox);}
}void InputLayer::shootBulletFromHero(CCSprite *bullet, cocos2d::CCPoint point)
{float spread = (CCRANDOM_0_1() + 12.5f) * 0.5f;velocity = ccp(0, spread);bullet->setPosition(ccp(point.x, point.y + this->getPlayer()->getContentSize().height * 0.5f * 0.3f));bullet->setVisible(true);CCRotateBy* rotate = CCRotateBy::actionWithDuration(1, 360 * 5);bullet->runAction(rotate);this->scheduleUpdate();
}void InputLayer::update(float dt)
{bullet->setPosition(ccpAdd(bullet->getPosition(), velocity));_bulletstrike->setPosition(ccpAdd(bullet->getPosition(), velocity));if (bullet->getPosition().y > size.height){bullet->setVisible(false);this->unscheduleAllSelectors();this->schedule(schedule_selector(InputLayer::Moving));this->schedule(schedule_selector(InputLayer::Shootupdate));}}void InputLayer::Shootupdate(float dt)
{this->unschedule(schedule_selector(InputLayer::Shootupdate));bullet = CCSprite::create("bullet.png");bullet->setPosition(ccp(-50, -50));        //置于屏幕外面bullet->setScale(0.3f);this->addChild(bullet);float picsize = bullet->getContentSize().width * 0.5f;_bulletstrike = CCMotionStreak::create(0.5f, picsize, picsize, ccRED, "bullet.png");this->addChild(_bulletstrike);this->shootBulletFromHero(bullet, this->getPlayer()->getPosition());
}