Ch 9. Using Sound ideal for UI clicks

[kyuhyunp]

When any button is activated, a sound plays.

void Button::activate()
{
	...
	mSounds.play(SoundEffect::Button);
}

Currently, the button's volume differs based on x and y values.

void SoundPlayer::play(SoundEffect::ID effect)
{
	play(effect, getListenerPosition());
}

If we use the code below, the sound volume for each button remains the same, which is more adequate for UI buttons.

void SoundPlayer::play(SoundEffect::ID effect)
{
	mSounds.push_back(sf::Sound(mSoundBuffers.get(effect)));
	sf::Sound& sound = mSounds.back();

	sound.setRelativeToListener(true); // ignore world coordinates
	sound.setAttenuation(0.f);         // no distance fade

	sound.play();
}