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

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 * Spine Runtimes License Agreement
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 * Copyright (c) 2013-2019, Esoteric Software LLC
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#include "RaptorExample.h"
#include "TankExample.h"
#include <spine/Extension.h>

USING_NS_CC;
using namespace spine;

PowInterpolation pow2(2);
PowOutInterpolation powOut2(2);
SwirlVertexEffect effect(400, powOut2);

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

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

	skeletonNode = SkeletonAnimation::createWithJsonFile("raptor-pro.json", "raptor.atlas", 0.5f);
	skeletonNode->setAnimation(0, "walk", true);
	skeletonNode->addAnimation(1, "gun-grab", false, 2);
	skeletonNode->setTwoColorTint(true);
	
	effect.setCenterY(200);
	swirlTime = 0;
	
	skeletonNode->setVertexEffect(&effect);

	skeletonNode->setPosition(Vec2(_contentSize.width / 2, 20));
	addChild(skeletonNode);

	scheduleUpdate();
	
	EventListenerTouchOneByOne* listener = EventListenerTouchOneByOne::create();
	listener->onTouchBegan = [this] (Touch* touch, cocos2d::Event* event) -> bool {
		if (!skeletonNode->getDebugBonesEnabled()) {
			skeletonNode->setDebugBonesEnabled(true);
			skeletonNode->setDebugMeshesEnabled(true);			
		} else if (skeletonNode->getTimeScale() == 1)
			skeletonNode->setTimeScale(0.3f);
		else
			Director::getInstance()->replaceScene(TankExample::scene());
		return true;
	};
	_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

	return true;
}

void RaptorExample::update(float fDelta) {
	swirlTime += fDelta;
	float percent = spine::MathUtil::fmod(swirlTime, 2);
	if (percent > 1) percent = 1 - (percent - 1);
	effect.setAngle(pow2.interpolate(-60.0f, 60.0f, percent));
}