axmol/samples/TestCpp/Classes/AccelerometerTest/AccelerometerTest.cpp

96 lines
2.4 KiB
C++

#include "AccelerometerTest.h"
#include "../testResource.h"
#include "cocos2d.h"
#define FIX_POS(_pos, _min, _max) \
if (_pos < _min) \
_pos = _min; \
else if (_pos > _max) \
_pos = _max; \
//------------------------------------------------------------------
//
// AccelerometerTest
//
//------------------------------------------------------------------
AccelerometerTest::AccelerometerTest(void)
: m_fLastTime(0.0)
{
}
AccelerometerTest::~AccelerometerTest(void)
{
m_pBall->release();
}
std::string AccelerometerTest::title()
{
return "AccelerometerTest";
}
void AccelerometerTest::onEnter()
{
CCLayer::onEnter();
setAccelerometerEnabled(true);
CCSize s = CCDirector::sharedDirector()->getWinSize();
CCLabelTTF* label = CCLabelTTF::create(title().c_str(), "Arial", 32);
addChild(label, 1);
label->setPosition( CCPointMake(s.width/2, s.height-50) );
m_pBall = CCSprite::create("Images/ball.png");
m_pBall->setPosition(ccp(s.width / 2, s.height / 2));
addChild(m_pBall);
m_pBall->retain();
}
void AccelerometerTest::didAccelerate(CCAcceleration* pAccelerationValue)
{
// double fNow = pAccelerationValue->timestamp;
//
// if (m_fLastTime > 0.0)
// {
// CCPoint ptNow = convertToUI
// }
//
// m_fLastTime = fNow;
CCDirector* pDir = CCDirector::sharedDirector();
CCSize winSize = pDir->getWinSize();
/*FIXME: Testing on the Nexus S sometimes m_pBall is NULL */
if ( m_pBall == NULL ) {
return;
}
CCSize ballSize = m_pBall->getContentSize();
CCPoint ptNow = m_pBall->getPosition();
CCPoint ptTemp = pDir->convertToUI(ptNow);
ptTemp.x += pAccelerationValue->x * 9.81f;
ptTemp.y -= pAccelerationValue->y * 9.81f;
CCPoint ptNext = pDir->convertToGL(ptTemp);
FIX_POS(ptNext.x, (ballSize.width / 2.0), (winSize.width - ballSize.width / 2.0));
FIX_POS(ptNext.y, (ballSize.height / 2.0), (winSize.height - ballSize.height / 2.0));
m_pBall->setPosition(ptNext);
}
//------------------------------------------------------------------
//
// AccelerometerTestScene
//
//------------------------------------------------------------------
void AccelerometerTestScene::runThisTest()
{
CCLayer* pLayer = new AccelerometerTest();
addChild(pLayer);
pLayer->release();
CCDirector::sharedDirector()->replaceScene(this);
}