+ if( dist <= 0.01f ){
+
+ }
+ else{
+ v3_muls( delta, 1.0f/dist, delta );
+ float pan = v3_dot( vg_audio.internal_listener_ears, delta );
+ vol = powf( vol, 5.0f );
+
+ framevol_l *= (vol * 0.5f) * (1.0f - pan);
+ framevol_r *= (vol * 0.5f) * (1.0f + pan);
+
+ if( !(ch->source->flags & AUDIO_FLAG_NO_DOPPLER) ){
+ const float vs = 323.0f;
+
+ float dv = v3_dot(delta,vg_audio.internal_listener_velocity);
+ float doppler = (vs+dv)/vs;
+ doppler = vg_clampf( doppler, 0.6f, 1.4f );
+
+ if( fabsf(doppler-1.0f) > 0.01f )
+ frame_samplerate *= doppler;
+ }
+ }
+
+ if( !vg_validf( framevol_l ) ||
+ !vg_validf( framevol_r ) ||
+ !vg_validf( frame_samplerate ) ){
+ vg_fatal_error( "Invalid sampling conditions.\n"
+ "This crash is to protect your ears.\n"
+ " channel: %p (%s)\n"
+ " sample_rate: %f\n"
+ " volume: L%f R%f\n"
+ " listener: %.2f %.2f %.2f [%.2f %.2f %.2f]\n",
+ ch, ch->name, frame_samplerate,
+ framevol_l, framevol_r,
+ vg_audio.internal_listener_pos[0],
+ vg_audio.internal_listener_pos[1],
+ vg_audio.internal_listener_pos[2],
+ vg_audio.internal_listener_ears[0],
+ vg_audio.internal_listener_ears[1],
+ vg_audio.internal_listener_ears[2]
+ );
+ }
+ }