void StarsApp::update()
{
double elapsed = getElapsedSeconds() - mTime;
mTime += elapsed;
// animate camera
mCamera.update(elapsed);
// update background and user interface
mBackground.setCameraDistance( mCamera.getCamera().getEyePoint().length() );
mUserInterface.setCameraDistance( mCamera.getCamera().getEyePoint().length() );
}
void StarsApp::update()
{
double elapsed = getElapsedSeconds() - mTime;
mTime += elapsed;
double time = getElapsedSeconds() / 200.0;
if(mSoundEngine && mMusic && mPlayMusic) time = mMusic->getPlayPosition() / (double) mMusic->getPlayLength();
// animate camera
mCamera.setDistanceTime(time);
mCamera.update(elapsed);
// adjust content based on camera distance
float distance = mCamera.getCamera().getEyePoint().length();
mBackground.setCameraDistance( distance );
mLabels.setCameraDistance( distance );
mConstellations.setCameraDistance( distance );
mConstellationLabels.setCameraDistance( distance );
mUserInterface.setCameraDistance( distance );
//
if(mSoundEngine) {
// send camera position to sound engine (for 3D sounds)
Vec3f pos = mCamera.getPosition();
mSoundEngine->setListenerPosition(
vec3df(pos.x, pos.y, pos.z),
vec3df(-pos.x, -pos.y, -pos.z),
vec3df(0,0,0),
vec3df(0,1,0) );
// if music has finished, play next track
if( mPlayMusic && mMusic && mMusic->isFinished() ) {
playMusic( getNextFile(mMusicPath) );
}
}
}