void AccelerometerTest::didAccelerate(CCAcceleration* pAccelerationValue)
{
// double fNow = pAccelerationValue->timestamp;
//
// if (m_fLastTime > 0.0)
// {
// CCPoint ptNow = convertToUI
// }
//
// m_fLastTime = fNow;
CCDirector* pDir = CCDirector::sharedDirector();
/*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, (VisibleRect::left().x+ballSize.width / 2.0), (VisibleRect::right().x - ballSize.width / 2.0));
FIX_POS(ptNext.y, (VisibleRect::bottom().y+ballSize.height / 2.0), (VisibleRect::top().y - ballSize.height / 2.0));
m_pBall->setPosition(ptNext);
}
void StartLayer::update(float dt)
{
CCSprite* title = (CCSprite*)this->getChildByTag(10000);
CCDirector* pDir = CCDirector::sharedDirector();
CCSize winSize = pDir->getWinSize();
//判断小球精灵是否有效。
if ( title == NULL ) {
return;
}
//取得小球的图像区域大小。
CCSize ballSize = title->getContentSize();
//取得小球的当前位置。
CCPoint ptNow = title->getPosition();
//将当前位置转换成界面坐标系的位置。
CCPoint ptTemp = pDir->convertToUI(ptNow);
//由收到的速度乘以一个系数后来影响位置。
ptTemp.x += posChange.x;
ptTemp.y -= posChange.y;
//再转换为OPENGL坐标系的位置。貌似有点麻烦，其实直接在上面X,Y的加减上做上正确的方向即可。
CCPoint ptNext = pDir->convertToGL(ptTemp);
//限定位置的X,Y的有效范围，等于小球边缘始终在窗口内。
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));
//将位置传给小球。
title->setPosition(ptNext);
}
void ShootingGameScene::didAccelerate(CCAcceleration* pAccelerationValue) {
CCDirector* pDir = CCDirector::sharedDirector();
if (_aim == NULL)
return;
CCSize aimsize = _aim->getContentSize();
CCPoint aimNow = _aim->getPosition();
CCPoint aimTemp = pDir->convertToUI(aimNow);
aimTemp.x += pAccelerationValue->x * 50.0f;
aimTemp.y -= pAccelerationValue->y * 50.0f;//9.81f;
CCPoint aimNext = pDir->convertToGL(aimTemp);
FIX_POS(aimNext.x,(aimsize.width/2.0),(winsize.width - aimsize.width/2.0f));
FIX_POS(aimNext.y,(aimsize.height/2.0),(winsize.height - aimsize.height/2.0f));
_aim->setPosition(aimNext);
}
void Director1::ccTouchesEnded(CCSet * touches, CCEvent* event)
{
CCSetIterator it;
CCTouch* touch;
for( it = touches->begin(); it != touches->end(); it++)
{
touch = (CCTouch*)(*it);
if(!touch)
break;
CCPoint a = touch->locationInView();
CCDirector *director = CCDirector::sharedDirector();
CCPoint b = director->convertToUI(director->convertToGL(a));
CCLog("(%d,%d) == (%d,%d)", (int) a.x, (int)a.y, (int)b.x, (int)b.y );
}
}
