Cocos2d-x3.0 触摸事件
Posted zsychanpin
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TouchableSpriteTest
auto winSize = Director::getInstance()->getWinSize();
Point origin = Director::getInstance()->getVisibleOrigin();
auto containerForSprite1 = Node::create();
auto sprite1 = Sprite::create("CyanSquare.png");
sprite1->setPosition(origin + Point(winSize.width / 2, winSize.height / 2) + Point(-80, 80));
containerForSprite1->addChild(sprite1);
addChild(containerForSprite1,10);
auto sprite2 = Sprite::create("MagentaSquare.png");
sprite2->setPosition(origin + Point(winSize.width / 2, winSize.height / 2));
addChild(sprite2,20);
auto sprite3 = Sprite::create("YellowSquare.png");
sprite3->setPosition(Point(0, 0));
sprite2->addChild(sprite3, 1);
auto listener1 = EventListenerTouchOneByOne::create();
listener1->setSwallowTouches(true);
listener1->onTouchBegan = [](Touch* touch,Event* event){
auto target = static_cast<Sprite*>(event->getCurrentTarget());
Point locationInNode = target->convertToNodeSpace(touch->getLocation());
Size s = target->getContentSize();
Rect rect = Rect(0, 0, s.width, s.height);
if (rect.containsPoint(locationInNode)) {
log("sprite began... x = %f, y = %f",locationInNode.x , locationInNode.y);
target->setOpacity(180);
return true;
}
return false;
};
listener1->onTouchMoved = [](Touch* touch,Event* event){
auto target = static_cast<Sprite*>(event->getCurrentTarget());
target->setPosition(target->getPosition() + touch->getDelta());
};
listener1->onTouchEnded = [=](Touch* touch,Event* event){
auto target = static_cast<Sprite*>(event->getCurrentTarget());
log("sprite onTouchedEnded");
target->setOpacity(255);
if (target == sprite2) {
containerForSprite1->setLocalZOrder(100);
}
else if (target == sprite1)
{
containerForSprite1->setLocalZOrder(0);
}
};
_eventDispatcher->addEventListenerWithSceneGraphpriority(listener1, sprite1);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener1->clone(), sprite2);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener1->clone(), sprite3);
auto removeAllTouchItem = MenuItemFont::create("Remove All Touch Listeners", [this](Ref* sender){
auto senderItem = static_cast<MenuItemFont*>(sender);
senderItem->setString("Only Next item could be clicked");
_eventDispatcher->removeEventListenersForType(EventListener::Type::TOUCH_ONE_BY_ONE);
auto nextItem = MenuItemFont::create("Next", [=](Ref* sender){
});
});
removeAllTouchItem->setFontSizeObj(16);
removeAllTouchItem->setPosition(Point(100, 50));
auto menu = Menu::create(removeAllTouchItem, NULL);
menu->setPosition(Point(0, 0));
menu->setAnchorPoint(Point(0, 0));
addChild(menu);效果：
CustomEventTest
Point origin = Director::getInstance()->getVisibleOrigin();
Size size = Director::getInstance()->getVisibleSize();
MenuItemFont::setFontSize(20);
auto statusLabel = Label::createWithSystemFont("No custom event 1 received!", "", 20);
statusLabel->setPosition(origin + Point(size.width/2, size.height-90));
addChild(statusLabel);
_listener = EventListenerCustom::create("game_custom_event1", [=](EventCustom* event){
std::string str("Custom event 1 received, ");
char* buf = static_cast<char*>(event->getUserData());
str += buf;
str += " times";
statusLabel->setString(str.c_str());
});
_eventDispatcher->addEventListenerWithFixedPriority(_listener, 1);
auto sendItem = MenuItemFont::create("Send Custom Event 1", [=](Ref* sender){
static int count = 0;
++count;
char* buf = new char[10];
sprintf(buf, "%d",count);
EventCustom event("game_custom_event1");
event.setUserData(buf);
_eventDispatcher->dispatchEvent(&event);
CC_SAFE_DELETE_ARRAY(buf);
});
sendItem->setPosition(origin + Point(size.width / 2, size.height / 2));
auto menu = Menu::create(sendItem, NULL);
menu->setPosition(Point(0, 0));
menu->setAnchorPoint(Point(0, 0));
addChild(menu , -1);
RemoveAndRetainNodeTest
Point origin = Director::getInstance()->getVisibleOrigin();
Size size = Director::getInstance()->getVisibleSize();
_sprite = Sprite::create("CyanSquare.png");
_sprite->setPosition(origin+Point(size.width/2, size.height/2));
addChild(_sprite, 10);
// Make sprite1 touchable
auto listener1 = EventListenerTouchOneByOne::create();
listener1->setSwallowTouches(true);
listener1->onTouchBegan = [](Touch* touch ,Event* event){
auto target = static_cast<Sprite*>(event->getCurrentTarget());
Point locationInNode = target->convertToNodeSpace(touch->getLocation());
Size s = target->getContentSize();
Rect rect = Rect(0, 0, s.width, s.height);
if (rect.containsPoint(locationInNode)) {
log("sprite began... x = %f, y = %f",locationInNode.x,locationInNode.y);
target->setOpacity(180);
return true;
}
return false;
};
listener1->onTouchMoved = [](Touch* touch ,Event* event){
auto target = static_cast<Sprite*>(event->getCurrentTarget());
target->setPosition(target->getPosition() + touch->getDelta());
};
listener1->onTouchEnded = [](Touch* touch,Event* event){
auto target = static_cast<Sprite*>(event->getCurrentTarget());
log("sprite onTouchesEnded..");
target->setOpacity(25);
};
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, _sprite);
this->runAction(Sequence::create(DelayTime::create(5.0f),CallFunc::create([this](){
_spriteSaved = true;
_sprite->retain();
_sprite->removeFromParent();
}),DelayTime::create(5),CallFunc::create([this](){
_spriteSaved = false;
this->addChild(_sprite);
_sprite->release();
})
, NULL));
RemoveListenerAfterAddingTest
auto item1 = MenuItemFont::create("Click Me 1", [this](Ref* sender){
auto listener = EventListenerTouchOneByOne::create();
listener->onTouchBegan = [](Touch* touch,Event* event)->bool{
CCASSERT(false, "Should not come here!");
return true;
};
_eventDispatcher->addEventListenerWithFixedPriority(listener, -1);
_eventDispatcher->removeEventListener(listener);
});
item1->setPosition(Point(0, 80));
auto addNextButton = [this](){
auto next = MenuItemFont::create("Please Click Me To Reset!", [this](Ref* sender){
});
next->setPosition(Point(100, 100));
auto menu = Menu::create(next, NULL);
menu->setPosition(Point(300, 100));
menu->setAnchorPoint(Point::ZERO);
this->addChild(menu);
};
auto item2 = MenuItemFont::create("Click Me 2", [=](Ref* sender){
auto listener = EventListenerTouchOneByOne::create();
listener->onTouchBegan = [](Touch* touch, Event* event) -> bool{
CCASSERT(false, "Should not come here!");
return true;
};
_eventDispatcher->addEventListenerWithFixedPriority(listener, -1);
_eventDispatcher->removeEventListenersForType(EventListener::Type::TOUCH_ONE_BY_ONE);
addNextButton();
});
item2->setPosition( Point(0, 40));
auto item3 = MenuItemFont::create("Click Me 3", [=](Ref* sender){
auto listener = EventListenerTouchOneByOne::create();
listener->onTouchBegan = [](Touch* touch, Event* event) -> bool{
CCASSERT(false, "Should not come here!");
return true;
};
_eventDispatcher->addEventListenerWithFixedPriority(listener, -1);
_eventDispatcher->removeAllEventListeners();
addNextButton();
});
item3->setPosition(Point(90, 90));
auto menu = Menu::create(item1,item2,item3, NULL);
menu->setPosition(Point(160, 160));
addChild(menu);
DirectorEventTest
bool HelloWorld::init()
{
//////////////////////////////
// 1. super init first
if ( !Layer::init() )
{
return false;
}
Size s = Director::getInstance()->getWinSize();
TTFConfig ttfConfig("arial.ttf", 20);
_label1 = Label::createWithTTF(ttfConfig, "Update: 0");
_label1->setAnchorPoint(Point::ANCHOR_BOTTOM_LEFT);
_label1->setPosition(30,s.height/2 + 60);
this->addChild(_label1);
_label2 = Label::createWithTTF(ttfConfig, "Visit: 0");
_label2->setAnchorPoint(Point::ANCHOR_BOTTOM_LEFT);
_label2->setPosition(30,s.height/2 + 20);
this->addChild(_label2);
_label3 = Label::createWithTTF(ttfConfig, "Draw: 0");
_label3->setAnchorPoint(Point::ANCHOR_BOTTOM_LEFT);
_label3->setPosition(30,30);
_label3->setPosition(30,s.height/2 - 20);
_label3->retain();
this->addChild(_label3);
_label4 = Label::createWithTTF(ttfConfig, "Projection: 0");
_label4->setAnchorPoint(Point::ANCHOR_BOTTOM_LEFT);
_label4->setPosition(30,30);
_label4->setPosition(30,s.height/2 - 60);
this->addChild(_label4);
_count1 = 0;
_count2 = 0;
_count3 = 0;
_count4 = 0;
auto dispatcher = Director::getInstance()->getEventDispatcher();
auto event1 = dispatcher->addCustomEventListener(Director::EVENT_AFTER_UPDATE, std::bind(&HelloWorld::onEvent1, this,std::placeholders::_1));
auto event2 = dispatcher->addCustomEventListener(Director::EVENT_AFTER_VISIT, std::bind(&HelloWorld::onEvent2, this,std::placeholders::_1));
auto event3 = dispatcher->addCustomEventListener(Director::EVENT_AFTER_DRAW, [&](EventCustom* event){
char buf[20];
snprintf(buf, sizeof(buf) - 1, "Draw: %d",_count3++);
_label3->setString(buf);
});
event1->retain();
event2->retain();
event3->retain();
scheduleUpdate();
return true;
}
void HelloWorld::update(float delta)
{
static float time = 0;
time += delta;
if(time > 0.5) {
Director::getInstance()->setProjection(Director::Projection::_2D);
time = 0;
}
}
void HelloWorld::onEvent1(EventCustom *event)
{
char buf[20];
snprintf(buf, sizeof(buf) - 1, "Update: %d",_count1++);
_label1->setString(buf);
}
void HelloWorld::onEvent2(EventCustom *event)
{
char buf[20];
snprintf(buf, sizeof(buf)-1, "Visit: %d", _count2++);
_label2->setString(buf);
}
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