Hi
Its just the default HelloWorld class, here it is:
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
http://www.cocos2d-x.org
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****************************************************************************/
#include "HelloWorldScene.h"
USING_NS_CC;
Scene* HelloWorld::createScene()
{
return HelloWorld::create();
}
// Print useful error message instead of segfaulting when files are not there.
static void problemLoading(const char* filename)
{
printf("Error while loading: %s\n", filename);
printf("Depending on how you compiled you might have to add 'Resources/' in front of filenames in HelloWorldScene.cpp\n");
}
// on "init" you need to initialize your instance
bool HelloWorld::init()
{
//////////////////////////////
// 1. super init first
if ( !Scene::init() )
{
return false;
}
auto visibleSize = Director::getInstance()->getVisibleSize();
Vec2 origin = Director::getInstance()->getVisibleOrigin();
/////////////////////////////
// 2. add a menu item with "X" image, which is clicked to quit the program
// you may modify it.
// add a "close" icon to exit the progress. it's an autorelease object
auto closeItem = MenuItemImage::create(
"CloseNormal.png",
"CloseSelected.png",
CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));
if (closeItem == nullptr ||
closeItem->getContentSize().width <= 0 ||
closeItem->getContentSize().height <= 0)
{
problemLoading("'CloseNormal.png' and 'CloseSelected.png'");
}
else
{
float x = origin.x + visibleSize.width - closeItem->getContentSize().width/2;
float y = origin.y + closeItem->getContentSize().height/2;
closeItem->setPosition(Vec2(x,y));
}
// create menu, it's an autorelease object
auto menu = Menu::create(closeItem, NULL);
menu->setPosition(Vec2::ZERO);
this->addChild(menu, 1);
/////////////////////////////
// 3. add your codes below...
// add a label shows "Hello World"
// create and initialize a label
auto label = Label::createWithTTF("Hello World", "fonts/Marker Felt.ttf", 24);
if (label == nullptr)
{
problemLoading("'fonts/Marker Felt.ttf'");
}
else
{
// position the label on the center of the screen
label->setPosition(Vec2(origin.x + visibleSize.width/2,
origin.y + visibleSize.height - label->getContentSize().height));
// add the label as a child to this layer
this->addChild(label, 1);
}
// add "HelloWorld" splash screen"
auto sprite = Sprite::create("HelloWorld.png");
if (sprite == nullptr)
{
problemLoading("'HelloWorld.png'");
}
else
{
// position the sprite on the center of the screen
sprite->setPosition(Vec2(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
// add the sprite as a child to this layer
this->addChild(sprite, 0);
}
initZoomListener();
return true;
}
void HelloWorld::menuCloseCallback(Ref* pSender)
{
//Close the cocos2d-x game scene and quit the application
Director::getInstance()->end();
/*To navigate back to native iOS screen(if present) without quitting the application ,do not use Director::getInstance()->end() as given above,instead trigger a custom event created in RootViewController.mm as below*/
//EventCustom customEndEvent("game_scene_close_event");
//_eventDispatcher->dispatchEvent(&customEndEvent);
}
void HelloWorld::initZoomListener()
{
auto listener = EventListenerMouse::create();
listener->onMouseScroll = ([](EventMouse* event)
{
auto cam = Camera::getDefaultCamera();
auto z = cam->getPositionZ();
log("new z %f", (z + 10));
if (event->getScrollY() > 0)
{
cam->setPositionZ(z + 10);
}
else if (event->getScrollY() < 0)
{
cam->setPositionZ(z - 10);
}
});
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
}
