/// <summary>
/// Update the sound with a new matrix manually.
/// </summary>
/// <param name="matrix">Object-To-World Matrix for the 3D sound</param>
/// <param name="gameTime"></param>
public void UpdateMatrix(Matrix matrix, GameTime gameTime)
{
float dt = (float)gameTime.ElapsedGameTime.TotalSeconds;
m_emitter.Forward = matrix.Forward;
m_emitter.Up = matrix.Up;
m_emitter.Position = Vector3.Transform(m_offset, matrix);
m_emitter.Velocity = (m_emitter.Position - m_oldPos) / dt;
m_oldPos = m_emitter.Position;
AudioComponent.Get().UpdateSound3D(m_sound, m_emitter);
}
/// <summary>
/// Start a new sound.
/// </summary>
/// <param name="sound">The name of the sound to play</param>
public void PlaySound(string sound)
{
StopSound(); //This class can only track one sound at a time so kill any previous sounds.
m_sound = AudioComponent.Get().PlaySound3D(sound, m_emitter);
}
/// <summary>
/// Stop the sound
/// </summary>
public void StopSound()
{
AudioComponent.Get().StopSound(m_sound);
m_sound.Invalidate();
}
/// <summary>
/// Sets a user-defined variable for the sound
/// </summary>
/// <param name="varName">name of the variable to set</param>
/// <param name="value">value of the variable to set</param>
public void SetVariable(string varName, float value)
{
AudioComponent.Get().SetVariable(m_sound, varName, value);
}
