tune reverb

[vg.git] / vg_audio_dsp.h

diff --git a/vg_audio_dsp.h b/vg_audio_dsp.h
index 4c7d85c931907f4e52b37a2c94c6543fbe469bab..56d3b20c655cb8050999f87287531bf76cf59a41 100644 (file)
--- a/vg_audio_dsp.h
+++ b/vg_audio_dsp.h
@@ -163,8 +163,7 @@ static void vg_dsp_init( void )
 
    float reflection_variance = 0.1f;
 
-   for( int i=0; i<8; i++ )
-   {
+   for( int i=0; i<8; i++ ){
       float reflection_time = ((sizes[i])/343.0f) * 1000.0f;
 
       float var   = 1.0f + (vg_randf()*2.0f - 1.0f) * reflection_variance,
@@ -179,8 +178,7 @@ static void vg_dsp_init( void )
    float diffusions[] = { 187.0f, 159.0f, 143.0f, 121.0f, 
                           79.0f,  57.0f,  27.0f,  11.0f };
 
-   for( int i=0; i<8; i++ )
-   {
+   for( int i=0; i<8; i++ ){
       dsp_init_schroeder( __diffusion_chain+i, diffusions[i]/1000.0f, 0.7f );
    }
 }
@@ -190,8 +188,7 @@ static void vg_dsp_process( float *stereo_in, float *stereo_out )
    float in_total = (stereo_in[0]+stereo_in[1])*0.5f;
    float recieved = 0.0f;
 
-   for( int i=0; i<8; i++ )
-   {
+   for( int i=0; i<8; i++ ){
       float echo;
       dsp_read_delay(  __echos+i, &echo );
       dsp_write_lpf( __echos_lpf+i, &echo );
@@ -202,8 +199,7 @@ static void vg_dsp_process( float *stereo_in, float *stereo_out )
 
    float diffused = recieved;
 
-   for( int i=0; i<8; i++ )
-   {
+   for( int i=0; i<8; i++ ){
       dsp_process_schroeder( __diffusion_chain+i, &diffused, &diffused );
    }
 
@@ -230,20 +226,19 @@ static void dsp_update_tunings(void)
 {
    float sizes[] = 
          { 2.0f, 4.0f, 8.0f, 16.0f,   32.0f, 64.0f, 128.0f, 256.0f };
+   float volumes[] = 
+         { 0.2f, 0.3f, 0.5f, 0.7f,   0.8f, 0.9f, 1.0f, 1.0f };
 
    float avg_distance = 0.0f;
 
    for( int i=0; i<8; i++ )
       vg_dsp.echo_tunings[i] = 0.5f;
 
-   for( int j=0; j<14; j++ )
-   {
+   for( int j=0; j<14; j++ ){
       float d = vg_dsp.echo_distances[j];
       
-      for( int i=0; i<7; i++ )
-      {
-         if( d < sizes[i+1] )
-         {
+      for( int i=0; i<7; i++ ){
+         if( d < sizes[i+1] ){
             float range = sizes[i+1]-sizes[i];
             float t = vg_clampf( (d - sizes[i])/range, 0.0f, 1.0f );
 
@@ -266,21 +261,22 @@ static void dsp_update_tunings(void)
    for( int i=0; i<8; i++ )
       total += vg_dsp.echo_tunings[i];
 
-   if( total > 0.0f )
-   {
+   if( total > 0.0f ){
       float inverse = 1.0f/total;
 
-      for( int i=0;i<8; i++ )
-      {
+      for( int i=0;i<8; i++ ){
          vg_dsp.echo_tunings[i] *= inverse;
       }
    }
 
-   for( int i=0; i<8; i++ )
-   {
+   for( int i=0; i<8; i++ ){
       float freq = vg_lerpf( 200.0f, 500.0f, vg_dsp.echo_tunings[i] );
       dsp_update_lpf( &__echos_lpf[i], freq );
    }
+
+   for( int i=0;i<8; i++ ){
+      vg_dsp.echo_tunings[i] *= volumes[i];
+   }
 }
 
 static void vg_dsp_free( void )
@@ -290,8 +286,7 @@ static void vg_dsp_free( void )
 
 static void vg_dsp_update_texture( void )
 {
-   for( int i=0; i<512*512; i++ )
-   {
+   for( int i=0; i<512*512; i++ ){
       float v = vg_clampf( vg_dsp.buffer[i] * 0.5f + 0.5f, 0.0f, 1.0f );
       vg_dsp.view_texture_buffer[i] = v * 255.0f;
    }