C++ (Cpp) Labels::setCameraDistance Examples

Example #1

File: StarsApp.cpp Project: rmnzr/Cinder-Samples

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) );
		}
	}
}