spine-runtimes/spine-cocos2dx/example/Classes/PhysicsExample.cpp

/******************************************************************************
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 * Last updated April 5, 2025. Replaces all prior versions.
 *
 * Copyright (c) 2013-2025, Esoteric Software LLC
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#include "PhysicsExample.h"
#include "SpineboyExample.h"

USING_NS_CC;
using namespace spine;

Scene *PhysicsExample::scene() {
	Scene *scene = Scene::create();
	scene->addChild(PhysicsExample::create());
	return scene;
}

bool PhysicsExample::init() {
	if (!LayerColor::initWithColor(Color4B(128, 128, 128, 255))) return false;

	// Load the Spineboy skeleton and create a SkeletonAnimation node from it
	// centered on the screen.
	skeletonNode = SkeletonAnimation::createWithBinaryFile("celestial-circus-pro.skel", "celestial-circus.atlas", 0.2f);
	skeletonNode->setPosition(Vec2(_contentSize.width / 2, 200));
	addChild(skeletonNode);

	// Queue the "walk" animation on the first track.
	// skeletonNode->setAnimation(0, "walk", true);

	// Next we setup a listener that receives and stores
	// the current mouse location and updates the skeleton position
	// accordingly.
	EventListenerMouse *mouseListener = EventListenerMouse::create();
	mouseListener->onMouseMove = [this](cocos2d::Event *event) -> void {
		// convert the mosue location to the skeleton's coordinate space
		// and store it.
		EventMouse *mouseEvent = dynamic_cast<EventMouse *>(event);
		Vec2 mousePosition = skeletonNode->convertToNodeSpace(mouseEvent->getLocationInView());
		if (firstUpdate) {
			firstUpdate = false;
			lastMousePosition = mousePosition;
			return;
		}
		Vec2 delta = mousePosition - lastMousePosition;
		skeletonNode->getSkeleton()->physicsTranslate(-delta.x, -delta.y);
		lastMousePosition = mousePosition;
	};
	_eventDispatcher->addEventListenerWithSceneGraphPriority(mouseListener, this);

	EventListenerTouchOneByOne *listener = EventListenerTouchOneByOne::create();
	listener->onTouchBegan = [this](Touch *touch, cocos2d::Event *event) -> bool {
		Director::getInstance()->replaceScene(SpineboyExample::scene());
		return true;
	};

	_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

	scheduleUpdate();

	return true;
}

void PhysicsExample::update(float deltaTime) {
}