mirror of https://github.com/axmolengine/axmol.git
127 lines
3.4 KiB
C++
127 lines
3.4 KiB
C++
#include "MutiTouchTest.h"
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static const Color3B* s_TouchColors[EventTouch::MAX_TOUCHES] = {
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&Color3B::YELLOW,
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&Color3B::BLUE,
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&Color3B::GREEN,
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&Color3B::RED,
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&Color3B::MAGENTA
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};
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class TouchPoint : public Node
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{
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public:
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TouchPoint()
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{
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setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR));
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}
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virtual void draw(Renderer *renderer, const kmMat4 &transform, bool transformUpdated)
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{
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DrawPrimitives::setDrawColor4B(_touchColor.r, _touchColor.g, _touchColor.b, 255);
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glLineWidth(10);
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DrawPrimitives::drawLine( Point(0, _touchPoint.y), Point(getContentSize().width, _touchPoint.y) );
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DrawPrimitives::drawLine( Point(_touchPoint.x, 0), Point(_touchPoint.x, getContentSize().height) );
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glLineWidth(1);
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DrawPrimitives::setPointSize(30);
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DrawPrimitives::drawPoint(_touchPoint);
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}
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void setTouchPos(const Point& pt)
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{
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_touchPoint = pt;
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}
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void setTouchColor(Color3B color)
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{
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_touchColor = color;
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}
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static TouchPoint* touchPointWithParent(Node* pParent)
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{
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auto pRet = new TouchPoint();
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pRet->setContentSize(pParent->getContentSize());
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pRet->setAnchorPoint(Point(0.0f, 0.0f));
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pRet->autorelease();
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return pRet;
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}
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private:
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Point _touchPoint;
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Color3B _touchColor;
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};
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bool MutiTouchTestLayer::init()
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{
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if (Layer::init())
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{
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auto listener = EventListenerTouchAllAtOnce::create();
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listener->onTouchesBegan = CC_CALLBACK_2(MutiTouchTestLayer::onTouchesBegan, this);
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listener->onTouchesMoved = CC_CALLBACK_2(MutiTouchTestLayer::onTouchesMoved, this);
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listener->onTouchesEnded = CC_CALLBACK_2(MutiTouchTestLayer::onTouchesEnded, this);
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_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
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auto title = LabelTTF::create("Please touch the screen!", "", 24);
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title->setPosition(VisibleRect::top()+Point(0, -40));
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addChild(title);
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return true;
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}
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return false;
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}
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static Map<int, TouchPoint*> s_map;
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void MutiTouchTestLayer::onTouchesBegan(const std::vector<Touch*>& touches, Event *event)
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{
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for ( auto &item: touches )
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{
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auto touch = item;
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auto touchPoint = TouchPoint::touchPointWithParent(this);
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auto location = touch->getLocation();
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touchPoint->setTouchPos(location);
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touchPoint->setTouchColor(*s_TouchColors[touch->getID()]);
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addChild(touchPoint);
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s_map.insert(touch->getID(), touchPoint);
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}
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}
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void MutiTouchTestLayer::onTouchesMoved(const std::vector<Touch*>& touches, Event *event)
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{
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for( auto &item: touches)
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{
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auto touch = item;
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auto pTP = s_map.at(touch->getID());
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auto location = touch->getLocation();
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pTP->setTouchPos(location);
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}
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}
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void MutiTouchTestLayer::onTouchesEnded(const std::vector<Touch*>& touches, Event *event)
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{
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for ( auto &item: touches )
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{
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auto touch = item;
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auto pTP = s_map.at(touch->getID());
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removeChild(pTP, true);
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s_map.erase(touch->getID());
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}
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}
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void MutiTouchTestLayer::onTouchesCancelled(const std::vector<Touch*>& touches, Event *event)
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{
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onTouchesEnded(touches, event);
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}
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void MutiTouchTestScene::runThisTest()
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{
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auto layer = MutiTouchTestLayer::create();
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addChild(layer, 0);
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Director::getInstance()->replaceScene(this);
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}
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