added fxWahWah

data/saves.sav

@@ -1,2 +1,2 @@
 //globals
-uptime = 116639275
+uptime = 116639496

effects.pde

@@ -1036,13 +1036,13 @@ class SLITSCAN extends Shader {
     buffer = renderer.get(0, 0, renderer.width, renderer.height);
 
     //int s = buffer.width>buffer.height?buffer.height:buffer.width;
-    int s = min(buffer.width,buffer.height);
-    
+    int s = min(buffer.width, buffer.height);
+
     depth = (int)(log(s)/log(2));
-    
+
     fxnum = (int)random(depth); ////
     fynum = (int)random(depth); ////
-    
+
     fx = new int[fxnum+1]; 
     fy = new int[fynum+1];
     sx = new int[fxnum+1];
@@ -1052,25 +1052,23 @@ class SLITSCAN extends Shader {
     skipfx = new boolean[fxnum+1];
     skipfy = new boolean[fynum+1];
     for (int i=0; i<fxnum; i++) {
-      
+
       fx[i]=(int)random(6);
       phx[i] = random(1);
       skipfx[i] = random(1)<0.2;
       sx[i] = random(1)<0.2?-1:1;
-      
     }
     for (int i=0; i<fynum; i++) {
-      
+
       fy[i]=(int)random(6);
       phy[i] = random(1);
       skipfy[i] = random(1)<0.2;
       sy[i] = random(1)<0.2?-1:1;
-      
     }
-    
+
     dox = random(1)<0.8;
     doy = dox?random(1)<0.8:true;
-    
+
 
 
     float v=0;
@@ -1150,7 +1148,80 @@ class SLITSCAN extends Shader {
   }
 }
 
+/*
+
+ WAHWAH
+ 
+ */
+
 
+class WAHWAH extends Shader {
+  float sequence, lfoskip, xn1, xn2, yn1, yn2, b0, b1, b2, a0, a1, a2, freqofs, freq, freqoff, startsequence, res, depth;
+  float mCurRate = 0.4, skipcount = 0;
+  int lfoskipsamples = 0;
+  float frequency, omega, sn, cs, alpha;
+  float in, out;
+  float val;
+  WAHWAH() {
+    name = "fxWahWah";
+    //params.add(new Param("mode", INTVAL, 0, 1, new int[]{RANDOM, SQUAR}));
+    params.add(new Param ("resolution", FLOATVAL, 1, 100, new int[]{TRIANG, SINE, RAMPUPDOWN, }));
+    params.add(new Param ("depth", FLOATVAL, 0.0001, 1, new int[]{TRIANG, SINE, RAMPUPDOWN }));
+    params.add(new Param ("frequency offset", FLOATVAL, 0, 1, new int[]{TRIANG, SINE, RAMPUPDOWN }));
+    params.add(new Param ("mCurRate", FLOATVAL, 0, 1, new int[]{TRIANG, SINE, RAMPUPDOWN }));
+    // params.add(new Param ("blend mode", INTVAL, 0, this.blends.length-1, new int[]{RANDOM }));
+  }
+  void apply() {
+    res = params.get(0).value;
+    depth = params.get(1).value;
+    freqofs = params.get(2).value;
+    //res = 12.5
+    //depth = 0.8;
+    //freqofs = 0.9;
+
+    freq = 1.5;
+    startsequence = 0.2;
+    lfoskip = freq * 2 * PI / mCurRate;
+    skipcount = xn1 = xn2 = yn1 = yn2 = b0 = b1 = b2 = a0 = a1 = a2 = 0;
+    sequence = startsequence;
+    
+    renderer.beginDraw();
+    renderer.colorMode(RGB);
+    renderer.loadPixels();
+    float[] rgb = new float[3];
+    for ( int i = 0, len = renderer.pixels.length; i < len; i++) {
+      rgb[0] = red(renderer.pixels[i]);
+      rgb[1] = green(renderer.pixels[i]);
+      rgb[2] = blue(renderer.pixels[i]);
+      for ( int ri = 0; ri < 3; ri++ ) {
+        in = map(rgb[ri], 0, 255, 0, 1);
+        frequency = (1+cos(skipcount * lfoskip + sequence ))/2;
+        frequency = frequency * depth * (1-freqofs) + freqofs;
+        frequency = exp((frequency - 1) * 6 );
+        omega = PI * frequency;
+        sn = sin(omega);
+        cs = cos(omega);
+        alpha = sn/(2*res);
+        b0 = (1-cs) /2;
+        b1 = 1 - cs;
+        b2 = (1-cs)/2;
+        a0 = 1 + alpha;
+        a1 = -2 * cs;
+        a2 = 1 - alpha;
+        out = ( b0 * in + b1 * xn1 + b2 * xn2 - a1 * yn1 - a2 * yn2 ) / a0;
+        xn2 = xn1;
+        xn1 = in;
+        yn2 = yn1;
+        yn1 = out;
+        rgb[ri] = map(out, 0, 1, 0, 255);
+      }
+      renderer.pixels[i] = color(rgb[0], rgb[1], rgb[2]);
+    }
+
+    renderer.updatePixels();
+    renderer.endDraw();
+  }
+}
 
 
 

secondapplet.pde

@@ -475,6 +475,9 @@ public class SecondApplet extends PApplet {
         case(5): 
         shaderManager.addShader(new SLITSCAN()); 
         break;
+        case(6): 
+        shaderManager.addShader(new WAHWAH()); 
+        break;
         /*
          case(4): 
          shaderManager.addShader(new AUECHO());