cocos3 射线

    auto listener=EventListenerTouchOneByOne::create();
    listener->onTouchBegan=[this,visibleSize](Touch* touch,Event* event){
        
        auto sp=Sprite::create("ray.png");

        auto v=150;
        auto s=touch->getLocation();
        auto length=sqrt(s.x*s.x+s.y*s.y);
        auto action=MoveBy::create(2,Point(1000*s.x/length,1000*s.y/length));
        sp->runAction(action);
        sp->setRotation(-CC_RADIANS_TO_DEGREES(asin(s.y/length)));
        sp->setPosition(0,0);
        addChild(sp);
        return false;
    };
    Director::getInstance()->getEventDispatcher()->addEventListenerWithSceneGraphPriority(listener,this);