mirror of https://github.com/axmolengine/axmol.git
96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
#include "AccelerometerTest.h"
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#include "../testResource.h"
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#include "cocos2d.h"
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#define FIX_POS(_pos, _min, _max) \
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if (_pos < _min) \
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_pos = _min; \
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else if (_pos > _max) \
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_pos = _max; \
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//------------------------------------------------------------------
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//
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// AccelerometerTest
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//
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//------------------------------------------------------------------
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AccelerometerTest::AccelerometerTest(void)
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: _lastTime(0.0)
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{
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}
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AccelerometerTest::~AccelerometerTest(void)
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{
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_ball->release();
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Device::setAccelerometerEnabled(false);
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}
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std::string AccelerometerTest::title()
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{
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return "AccelerometerTest";
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}
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void AccelerometerTest::onEnter()
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{
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Layer::onEnter();
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Device::setAccelerometerEnabled(true);
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auto listener = EventListenerAcceleration::create(CC_CALLBACK_2(AccelerometerTest::onAcceleration, this));
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_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
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auto label = LabelTTF::create(title().c_str(), "Arial", 32);
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addChild(label, 1);
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label->setPosition( Point(VisibleRect::center().x, VisibleRect::top().y-50) );
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_ball = Sprite::create("Images/ball.png");
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_ball->setPosition(Point(VisibleRect::center().x, VisibleRect::center().y));
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addChild(_ball);
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_ball->retain();
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}
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void AccelerometerTest::onAcceleration(Acceleration* acc, Event* event)
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{
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// double fNow = pAccelerationValue->timestamp;
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//
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// if (_lastTime > 0.0)
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// {
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// auto ptNow = convertToUI
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// }
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//
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// _lastTime = fNow;
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auto pDir = Director::getInstance();
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/*FIXME: Testing on the Nexus S sometimes _ball is NULL */
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if ( _ball == NULL ) {
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return;
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}
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auto ballSize = _ball->getContentSize();
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auto ptNow = _ball->getPosition();
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auto ptTemp = pDir->convertToUI(ptNow);
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ptTemp.x += acc->x * 9.81f;
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ptTemp.y -= acc->y * 9.81f;
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auto ptNext = pDir->convertToGL(ptTemp);
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FIX_POS(ptNext.x, (VisibleRect::left().x+ballSize.width / 2.0), (VisibleRect::right().x - ballSize.width / 2.0));
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FIX_POS(ptNext.y, (VisibleRect::bottom().y+ballSize.height / 2.0), (VisibleRect::top().y - ballSize.height / 2.0));
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_ball->setPosition(ptNext);
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}
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//------------------------------------------------------------------
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//
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// AccelerometerTestScene
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//
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//------------------------------------------------------------------
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void AccelerometerTestScene::runThisTest()
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{
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auto layer = new AccelerometerTest();
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addChild(layer);
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layer->release();
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Director::getInstance()->replaceScene(this);
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}
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