private void Apply3D(AudioListener listener, AudioEmitter emitter)
{
if (sid == 0)
{
return;
}
float x, y, z;
AL.GetListener(ALListener3f.Position, out x, out y, out z);
Vector3 posOffset = emitter.Position - listener.Position;
// set up orientation matrix
Matrix orientation = Matrix.Identity;
Vector3 forward = listener.Forward.Normalized();
Vector3 right = Vector3.Cross(forward, listener.Up);
Vector3 up = Vector3.Cross(right, forward);
orientation.M11 = right.X;
orientation.M12 = right.Y;
orientation.M13 = right.Z;
orientation.M21 = up.X;
orientation.M22 = up.Y;
orientation.M23 = up.Z;
orientation.M31 = -forward.X;
orientation.M32 = -forward.Y;
orientation.M33 = -forward.Z;
// set up our final position and velocity according to orientation of listener
Vector3 finalPos = new Vector3(x + posOffset.X, y + posOffset.Y, z + posOffset.Z);
finalPos = Vector3.Transform(finalPos, orientation);
Vector3 finalVel = emitter.Velocity;
finalVel = Vector3.Transform(finalVel, orientation);
// set the position based on relative positon
AL.Source(sid, ALSource3f.Position, finalPos.X, finalPos.Y, finalPos.Z);
AL.Source(sid, ALSource3f.Velocity, finalVel.X, finalVel.Y, finalVel.Z);
}
public void Apply3D(AudioListener[] listeners, AudioEmitter emitter)
{
throw new NotSupportedException("Just one listener is supported!");
//foreach(var l in listeners)
// Apply3D(l,emitter);
}
