MySprite<\/code> \u7c7b\u3002<\/p>\n\r\nstruct MySprite : public Sprite{\r\n \r\n static MySprite* _target; static vector<Vec2> _pos; static vector<Node*> _pot;\r\n static double _dist2, _atan2;\r\n \r\n bool isMoveable, isZoomable, isRotatable;\r\n\r\n void onTouchesBegan(const std::vector<Touch*>& touches, cocos2d::Event *event);\r\n void onTouchesMoved(const std::vector<Touch*>& touches, cocos2d::Event *event);\r\n void onTouchesEnded(const std::vector<Touch*>& touches, cocos2d::Event *event);\r\n void onTouchesCancelled(const std::vector<Touch*>& touches, cocos2d::Event *event);\r\n \r\n void init2(bool,bool,bool);\r\n};\r\n<\/pre>\n\u6ce8\u610f\u5230\u4e0d\u540c\u4e8e\u5355\u70b9\u89e6\u63a7\u3001\u591a\u70b9\u89e6\u63a7\u7684 onTouchesBegan()<\/code> \u65b9\u6cd5\u4f3c\u4e4e\u6ca1\u6709\u8fd4\u56de\u51fd\u6570\u3001\u56e0\u6b64\u6211\u4eec\u9700\u8981\u624b\u52a8\u7eaa\u5f55\u4e00\u4e0b _target\u3002
\n\u5f53\u4f5c\u7528\u5728\u591a\u4e2a\u5bf9\u8c61\u4e0a\u65f6\uff0c\u53ea\u64cd\u4f5c\u6700\u4e0a\u5c42\u7684\u3002<\/p>\n_dist2<\/code> \u7528\u6765\u8bb0\u5f55\u4e24\u6307\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u7528\u6765\u5b9e\u73b0\u653e\u5927\u3002
\n_atan2<\/code> \u7528\u6765\u8bb0\u5f55\u4e24\u53ea\u4e4b\u95f4\u7684\u89d2\u5ea6\uff0c\u7528\u6765\u5b9e\u73b0\u65cb\u8f6c\u3002<\/p>\n\r\n#include "HelloWorldScene.h"\r\n#include "cocostudio\/CocoStudio.h"\r\n#include "ui\/CocosGUI.h"\r\n#include "Audio.h"\r\n\r\n#include "Template.h"\r\n#include "Global.h"\r\nUSING_NS_CC;\r\n\r\nvoid addAroundEdge(Sprite* t){\r\n Size s = t->getContentSize();\r\n auto e = DrawNode::create();\r\n \r\n auto radius = 1;\r\n auto color = Color4F(0, 0, 0, 1.0f);\r\n \r\n auto lb = Vec2(0, 0), rb = Vec2(s.width, 0);\r\n auto lt = Vec2(0, s.height), rt = Vec2(s.width, s.height);\r\n \r\n e->drawSegment(lb, rb, radius, color);\r\n e->drawSegment(lb, lt, radius, color);\r\n e->drawSegment(rb, rt, radius, color);\r\n e->drawSegment(lt, rt, radius, color);\r\n e->setName("edge");\r\n t->addChild(e);\r\n}\r\n\r\n\/*\r\nvoid MySprite::init(string s){\r\n}\r\n*\/\r\n\r\nvector<Vec2> MySprite::_pos;\r\nvector<Node*> MySprite::_pot;\r\nMySprite* MySprite::_target;\r\nDB MySprite::_atan2, MySprite::_dist2;\r\n \r\nvoid MySprite::init2(bool _isMoveable = 1, bool _isZoomable = 1, bool _isRotatable = 1){\r\n \r\n isMoveable = _isMoveable;\r\n isZoomable = _isZoomable;\r\n isRotatable = _isRotatable;\r\n \r\n auto listener = EventListenerTouchAllAtOnce::create();\r\n \r\n listener->onTouchesBegan = CC_CALLBACK_2(MySprite::onTouchesBegan, this);\r\n listener->onTouchesMoved = CC_CALLBACK_2(MySprite::onTouchesMoved, this);\r\n listener->onTouchesEnded = CC_CALLBACK_2(MySprite::onTouchesEnded, this);\r\n _eventDispatcher->addEventListenerWithSceneGraphPriority(listener->clone(), this);\r\n \r\n addAroundEdge(this);\r\n}\r\n\r\n\r\nstatic const Color3B* s_TouchColors[5] = {\r\n &Color3B::YELLOW,\r\n &Color3B::BLUE,\r\n &Color3B::GREEN,\r\n &Color3B::RED,\r\n &Color3B::MAGENTA\r\n};\r\n\r\nstruct TouchPoint : public Node\r\n{\r\n \r\n \r\n TouchPoint(const Vec2 &touchPoint, const Color3B &touchColor)\r\n {\r\n DrawNode* drawNode = DrawNode::create();\r\n auto s = Director::getInstance()->getWinSize();\r\n Color4F color(touchColor.r\/255.0f, touchColor.g\/255.0f, touchColor.b\/255.0f, 1.0f);\r\n \r\n \/*drawNode->drawLine(Vec2(-s.width, touchPoint.y), Vec2(s.width, touchPoint.y), color);\r\n drawNode->drawLine(Vec2(touchPoint.x, -s.height), Vec2(touchPoint.x, s.height), color);\r\n drawNode->drawDot(touchPoint, 3, color);*\/\r\n \r\n drawNode->drawLine(Vec2(-s.width, 0), Vec2(s.width, 0), color);\r\n drawNode->drawLine(Vec2(0, -s.height), Vec2(0, s.height), color);\r\n drawNode->drawDot(Vec2(0, 0), 3, color);\r\n addChild(drawNode);\r\n }\r\n \r\n static TouchPoint* touchPointWithParent(Node* pParent, const Vec2 &touchPoint, const Color3B &touchColor)\r\n {\r\n auto pRet = new (std::nothrow) TouchPoint(touchPoint, touchColor);\r\n pRet->setContentSize(pParent->getContentSize());\r\n pRet->setAnchorPoint(Vec2(0.0f, 0.0f));\r\n pRet->autorelease();\r\n return pRet;\r\n }\r\n};\r\n\r\n\r\nvoid MySprite::onTouchesBegan(const std::vector<Touch*>& touches, Event *event)\r\n{\r\n auto target = static_cast<MySprite*>(event->getCurrentTarget());\r\n\r\n for (auto &touch: touches)\r\n {\r\n auto location = touch->getLocation();\r\n Point locationInNode = target->convertToNodeSpace(touch->getLocation());\r\n Size s = target->getContentSize();\r\n Rect rect = Rect(0, 0, s.width, s.height);\r\n if (!rect.containsPoint(locationInNode)){\r\n return;\r\n }\r\n }\r\n \r\n if (_target != nullptr && _target != target) return;\r\n \r\n for (auto &touch: touches)\r\n {\r\n auto location = touch->getLocation();\r\n Point locationInNode = target->convertToNodeSpace(touch->getLocation());\r\n \r\n \/\/\u70b9\u51fb\u8303\u56f4\u5224\u65ad\u68c0\u6d4b\r\n Size s = target->getContentSize();\r\n Rect rect = Rect(0, 0, s.width, s.height);\r\n \r\n auto touchPoint = TouchPoint::touchPointWithParent(this, location, *s_TouchColors[touch->getID()%5]);\r\n touchPoint->setName("touchPoint");\r\n Global::game->addChild(touchPoint);\r\n touchPoint->setPosition(location);\r\n \r\n _pos.PB(location), _pot.PB(touchPoint);\r\n }\r\n \r\n _target = target;\r\n \r\n if (_pos.size() == 2){\r\n \/\/log("%.2f %.2f %.2f %.2f\\n", _pos[0].x, _pos[0].y, _pos[1].x, _pos[1].y);\r\n _dist2 = _pos[0].getDistance(_pos[1]);\r\n Vec2 d = _pos[1] - _pos[0];\r\n _atan2 = atan2(d.y, d.x);\r\n }\r\n}\r\n\r\nvoid MySprite::onTouchesMoved(const std::vector<Touch*>& touches, Event *event)\r\n{\r\n \r\n auto target = static_cast<MySprite*>(event->getCurrentTarget());\r\n if (target != _target) return;\r\n if (_pos.empty()) return;\r\n \r\n vector<Vec2> new_pos;\r\n \r\n for( auto &item: touches)\r\n {\r\n \r\n \/\/if (state[item] == false) continue;\r\n \r\n auto touch = item;\r\n\r\n auto location = touch->getLocation();\r\n Point locationInNode = target->convertToNodeSpace(touch->getLocation());\r\n \/\/\u70b9\u51fb\u8303\u56f4\u5224\u65ad\u68c0\u6d4b\r\n \r\n Size s = target->getContentSize();\r\n Rect rect = Rect(0, 0, s.width, s.height);\r\n \/\/if (!rect.containsPoint(locationInNode)) continue;\r\n new_pos.PB(location);\r\n }\r\n \r\n if (_pos.size() != new_pos.size()) return;\r\n \r\n REP(i, _pos.size()){\r\n _pot[i]->setPosition(new_pos[i]);\r\n }\r\n \r\n if (_pos.size() == 1){ \/\/ \u5e73\u79fb...\r\n\/\/ log("%.2f %.2f %.2f %.2f", target->getPosition().x, target->getPosition().y, (t->getPosition() - target->_pos).x , (t->getPosition() - target->_pos).y );\r\n target->setPosition(target->getPosition() + (new_pos[0] - _pos[0]));\r\n _pos = new_pos;\r\n }\r\n else if (_pos.size() == 2){\r\n\r\n auto target = static_cast<Sprite*>(event->getCurrentTarget());\r\n auto new_dist2 = new_pos[0].getDistance(new_pos[1]);\r\n target->setScale((DB)target->getScale()\/_dist2*new_dist2);\r\n _dist2 = new_dist2;\r\n \/\/log("%.2f %.2f %.2f\\n", _dist2, new_dist2, target->getScale()\/_dist2*new_dist2);\r\n\r\n Vec2 d = new_pos[1] - new_pos[0];\r\n DB new_atan2 = atan2(d.y, d.x);\r\n target->setRotation( target->getRotation() - (new_atan2 - _atan2) \/ PI * 180);\r\n _atan2 = new_atan2;\r\n }\r\n}\r\n\r\nvoid MySprite::onTouchesEnded(const std::vector<Touch*>& touches, Event *event)\r\n{\r\n \r\n auto target = static_cast<MySprite*>(event->getCurrentTarget());\r\n \r\n while (Global::game->getChildByName("touchPoint") != nullptr){\r\n Global::game->getChildByName("touchPoint")->removeFromParent();\r\n }\r\n _pos.clear(); _pot.clear();\r\n _target = nullptr;\r\n \r\n \r\n \/*for ( auto &item: touches )\r\n {\r\n \/\/if (state[item] == false) continue;\r\n \r\n auto touch = item; auto pTP = s_map.at(target);\r\n \r\n if (pTP == nullptr) continue;\r\n \r\n pTP->removeFromParent();\r\n s_map.erase(target);\r\n }*\/\r\n \r\n \r\n \/*for ( auto &item: touches ){\r\n state.erase(item);\r\n }*\/\r\n}\r\n\r\nvoid MySprite::onTouchesCancelled(const std::vector<Touch*>& touches, Event *event)\r\n{\r\n onTouchesEnded(touches, event);\r\n}\r\n\r\n\r\n\r\n\r\nvoid LongTouch::upd(){\r\n if (counter > 0){\r\n if (--counter == 0){\r\n Audio::playSE("coin.mp3");\r\n }\r\n }\r\n}\r\n\r\nScene* HelloWorld::createScene()\r\n{\r\n auto scene = Scene::create();\r\n auto layer = HelloWorld::create();\r\n scene->addChild(layer);\r\n return scene;\r\n}\r\n\r\nvoid HelloWorld::update(float dt){\r\n longTouch->upd();\r\n return;\r\n}\r\n\r\n\r\nbool HelloWorld::init()\r\n{\r\n \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n \/\/ 1. super init first\r\n if ( !LayerColor::initWithColor(Color4B(255, 255, 255, 255)))\r\n {\r\n return false;\r\n }\r\n \r\n \r\n Global::game = this;\r\n \r\n longTouch = new LongTouch;\r\n \r\n auto size = Director::getInstance()->getWinSize();\r\n \r\n auto t1 = static_cast<MySprite*>(Sprite::create("star_on.png")); t1->init2();\r\n t1->setPosition(size \/ 2); addChild(t1);\r\n \r\n auto t2 = static_cast<MySprite*>(Sprite::create("star_on.png")); t2->init2();\r\n t2->setPosition(Vec2(size.width \/ 2 - 100, size.height \/ 2 - 100) ); addChild(t2);\r\n \r\n \r\n auto t3 = static_cast<MySprite*>(Sprite::create("star_on.png")); t3->init2();\r\n t3->setPosition(Vec2(size.width \/ 2 + 100, size.height \/ 2 + 100) ); addChild(t3);\r\n \r\n \r\n \/*\r\n auto _touchListener = EventListenerTouchOneByOne::create();\r\n _touchListener->setSwallowTouches(true);\r\n \r\n _touchListener->onTouchBegan = [&](Touch* touch, Event* event){\r\n \r\n auto target = static_cast<Sprite*>(event->getCurrentTarget());\r\n Point locationInNode = target->convertToNodeSpace(touch->getLocation());\r\n Size s = target->getContentSize();\r\n Rect rect = Rect(0, 0, s.width, s.height);\r\n \r\n \/\/\u70b9\u51fb\u8303\u56f4\u5224\u65ad\u68c0\u6d4b\r\n if (rect.containsPoint(locationInNode))\r\n {\r\n longTouch->counter = 20;\r\n longTouch->target = target;\r\n return true;\r\n }\r\n return false;\r\n };\r\n \r\n _touchListener->onTouchEnded = [&](Touch* touch, Event* event){\r\n if (longTouch->counter == 0) return;\r\n longTouch->counter = 0;\r\n Audio::playSE("error.mp3");\r\n };\r\n \r\n _eventDispatcher->addEventListenerWithSceneGraphPriority(_touchListener->clone(), t);\r\n scheduleUpdate(); *\/\r\n return true;\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"\u4ecb\u7ecd\uff1a \u6211\u4eec\u77e5\u9053 Mac \u4e2d\u9884\u89c8\u56fe\u7247\u7684\u65f6\u5019\u53ef\u4ee5\u4f7f\u7528\u591a\u6307\u89e6\u63a7\u5bf9\u56fe\u7247\u8fdb\u884c\u62c9\u4f38\u548c\u65cb\u8f6c\u3002 \u5728 iOS \u4e2d\u3001\u6211\u4eec\u53ef\u4ee5\u8ba9\u624b\u6307\u5728\u56fe\u4e2d\u7684\u76f8\u5bf9\u4f4d\u7f6e\u4fdd\u6301\u4e0d\u53d8\uff0c\u4ece\u800c\u5c06\u8fd9\u4e09\u4e2a\u64cd\u4f5c\u7edf\u4e00\u8d77\u6765\uff0c\u66f4\u65b9\u4fbf\u7684\u5b9e\u73b0\u7f16\u8f91\u529f\u80fd\u3002 \u6f14\u793a\u5730\u5740\uff1ahttp:\/\/www.pgyer.com\/Hu8O \u53c2\u8003\u8d44\u6599\uff1acpp-test \u4e2d\u7684 multitouch To-do: \u5982\u4f55\u652f\u6301\u6cbf\u7740\u4e00\u4e2a\u65b9\u5411\u7684\u62c9\u4f38\uff08\u4e09\u6307\uff1f\uff09 \u4ee3\u7801\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[34],"tags":[],"class_list":["post-1103","post","type-post","status-publish","format-standard","hentry","category-34"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-hN","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/comments?post=1103"}],"version-history":[{"count":1,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1103\/revisions"}],"predecessor-version":[{"id":1104,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1103\/revisions\/1104"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=1103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=1103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=1103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}