Updated pack sources

tools/packsrc/Homecomputer/shaders/Buffer C.frag

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+// Homecomputer by nimitz 2016 (twitter: @stormoid)
+// License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
+// Contact the author for other licensing options
+
+/*
+ 	The goal of this Buffer is to prepare
+	the sound data so that it can be used 
+	by the other buffers
+
+	Data output:
+	x = fft
+	y = waveform
+	z = filtered waveform
+	w = filtered fft summed over many bands
+*/
+
+void mainImage( out vec4 fragColor, in vec2 fragCoord )
+{
+    vec2 q = fragCoord.xy/iResolution.xy;
+    float fft  = texture( iChannel1, vec2(q.x,0.25) ).x;
+	float nwave = texture( iChannel1, vec2(q.x,0.75) ).x;
+    
+    float owave = texture( iChannel0, vec2(q.x,0.25) ).z;
+    float offt  = texture( iChannel0, vec2(q.x,0.25) ).w;
+    
+    
+    float fwave = mix(nwave,owave, 0.85);
+    
+    
+    /*
+        get fft sum over many bands, this will allow
+		to ge tthe current "intensity" of a track
+	*/
+    float nfft = 0.;
+    for (float i = 0.; i < 1.; i += 0.05)
+    {
+        nfft += texture( iChannel1, vec2(i,0.25) ).x; 
+    }
+    nfft = clamp(nfft/30.,0.,1.);
+    
+    float ffts = mix(nfft, offt, 0.8);
+    
+    if (iFrame < 5) 
+    {
+        fft = 0.;
+        fwave= .5;
+        ffts = 0.;
+    }
+    
+    fragColor = vec4(fft, nwave, fwave, ffts);
+}