//移动事件
void HRocker::ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent)
{
if (!isCanMove)
{
return;
}
CCPoint point = pTouch->getLocation();
CCSprite *rocker = (CCSprite *)this->getChildByTag(tag_rocker);
//得到摇杆与触屏点所形成的角度
float angle = getRad(rockerBGPosition,point);
//判断两个圆的圆心距是否大于摇杆背景的半径
if (sqrt(pow((rockerBGPosition.x - point.x),2) + pow((rockerBGPosition.y - point.y),2)) >= rockerBGR)
{
//保证内部小圆运动的长度限制
rocker->setPosition(ccpAdd(getAngelePosition(rockerBGR,angle),ccp(rockerBGPosition.x,rockerBGPosition.y)));
}
else
rocker->setPosition(point);
//判断方向
if(angle>=-PI/4&&angle<PI/4)
{
rocketDirection=rocker_right;
rocketRun=false;
}
else if(angle>=PI/4&&angle<3*PI/4)
{
rocketDirection=rocker_up;
}
else if((angle>=3*PI/4&&angle<=PI)||(angle>=-PI&&angle<-3*PI/4))
{
rocketDirection=rocker_left;
rocketRun=true;
}
else if(angle>=-3*PI/4&&angle<-PI/4)
{
rocketDirection=rocker_down;
}
}
//启动摇杆(显示摇杆、监听摇杆触屏事件)
void HRocker::startRocker(bool _isStopOther)
{
Sprite *rocker = (Sprite*)this->getChildByTag(tag_rocker);
rocker->setVisible(true);
Sprite *rockerBG = (Sprite *)this->getChildByTag(tag_rockerBG);
rockerBG->setVisible(true);
auto listenerTouch = EventListenerTouchOneByOne::create();//创建一个触摸监听
listenerTouch->setSwallowTouches(true);//设置是否想下传递触摸
//3.0 后可以直接在touchBegan后添加它的实现代码，而不用特意去写一个touchBegan的函数
listenerTouch->onTouchBegan = [=](Touch* touch, Event* event){ //[]中间的是传入的参数
CCPoint point = touch->getLocation();
Sprite *rocker = (Sprite *)this->getChildByTag(tag_rocker);
if (rocker->boundingBox().containsPoint(point))
isCanMove = true;
return true;
};
//拖动精灵移动
listenerTouch->onTouchMoved = [this](Touch* touch, Event* event){
if (!isCanMove)
{
return;
}
CCPoint point = touch->getLocation();
Sprite *rocker = (Sprite *)this->getChildByTag(tag_rocker);
//得到摇杆与触屏点所形成的角度
float angle = getRad(rockerBGPosition,point);
//判断两个圆的圆心距是否大于摇杆背景的半径
if (sqrt(pow((rockerBGPosition.x - point.x),2) + pow((rockerBGPosition.y - point.y),2)) >= rockerBGR)
{
//保证内部小圆运动的长度限制
rocker->setPosition(ccpAdd(getAngelePosition(rockerBGR,angle),ccp(rockerBGPosition.x,rockerBGPosition.y)));
}
else
{
rocker->setPosition(point);
}
//判断方向
if(angle>=-PI/4&&angle<PI/4)
{
rocketDirection=rocker_right;
rocketRun=false;
}
else if(angle>=PI/4&&angle<3*PI/4)
{
rocketDirection=rocker_up;
}
else if((angle>=3*PI/4&&angle<=PI)||(angle>=-PI&&angle<-3*PI/4))
{
rocketDirection=rocker_left;
rocketRun=true;
}
else if(angle>=-3*PI/4&&angle<-PI/4)
{
rocketDirection=rocker_down;
}
};
listenerTouch->onTouchEnded = [=](Touch* touch, Event* event){ // =在c++11里面代表这个lambda表达式中能使用外面的变量
// if (!isCanMove)
// {
// return;
// }
Sprite *rockerBG = (Sprite*)this->getChildByTag(tag_rockerBG);
Sprite *rocker = (Sprite*)this->getChildByTag(tag_rocker);
rocker->stopAllActions();
rocker->runAction(CCMoveTo::create(0.08f,rockerBG->getPosition()));
isCanMove = false;
rocketDirection=rocker_stay;
};
auto listenerKey = EventListenerKeyboard::create();//创建一个触摸监听
listenerKey->onKeyPressed = [this](EventKeyboard::KeyCode code, Event* event)
{
//isCanMove = true;
switch(code)
{
case EventKeyboard::KeyCode::KEY_RIGHT_ARROW:
rocketDirection=rocker_right;
rocketRun=false;
break;
case EventKeyboard::KeyCode::KEY_UP_ARROW:
rocketDirection=rocker_up;
break;
case EventKeyboard::KeyCode::KEY_LEFT_ARROW:
rocketDirection=rocker_left;
rocketRun=true;
break;
case EventKeyboard::KeyCode::KEY_DOWN_ARROW:
rocketDirection=rocker_down;
break;
default:
break;
}
log("press key");
};
listenerKey->onKeyReleased = [this](EventKeyboard::KeyCode code, Event* event)
{
Sprite *rockerBG = (Sprite*)this->getChildByTag(tag_rockerBG);
Sprite *rocker = (Sprite*)this->getChildByTag(tag_rocker);
rocker->stopAllActions();
rocker->runAction(CCMoveTo::create(0.08f,rockerBG->getPosition()));
//isCanMove = false;
rocketDirection=rocker_stay;
log("released key");
};
//将触摸监听添加到eventDispacher中去
_eventDispatcher->addEventListenerWithSceneGraphPriority(listenerTouch ,this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listenerKey ,this);
}