added fxGrauzone

effects.pde

@@ -1735,7 +1735,63 @@ class DUAL extends Shader {
   }
 }
 
+/*
 
+ GRAUZONE
+ 
+ */
+
+class GRAUZONE extends Shader {
+  int nFrames = 20;
+  int iWrite = 0, iRead = 1;
+  PImage[] buffer;
+  PGraphics grauz;
+  GRAUZONE() {
+    name = "fxGrauzone";
+    params.add(new Param("delay (in frames)", INTVAL, 3, 100, new int[]{RANDOM}));
+    nFrames = (int)params.get(0).value;
+    buffer = new PImage[nFrames];
+  }
+  int nFramesPrev;
+  void apply() {
+    nFramesPrev = nFrames;
+    if (nFramesPrev != (int)params.get(0).value) {
+      iWrite = 0;
+      iRead = 1;
+      int nFramesOld = nFrames;
+      nFrames = (int)params.get(0).value;
+      if (nFrames > nFramesOld) {
+        buffer = new PImage[nFrames];
+      }
+    }
+
+    buffer[iWrite] = renderer.get();
+    grauz = createGraphics(renderer.width, renderer.height);
+    grauz.beginDraw();
+    //  grauz.resize(renderer.width, renderer.height);
+    buffer[iWrite] = renderer.get();
+    if (buffer[iRead] != null) {
+      grauz.tint(255, 127);
+      buffer[iRead].filter(INVERT);
+      grauz.image(buffer[iRead], 0, 0, renderer.width, renderer.height);
+      grauz.tint(255, 255);
+    }
+    grauz.endDraw();
+    renderer.beginDraw();
+    renderer.image(grauz, 0, 0, renderer.width, renderer.height);
+    renderer.endDraw();
+
+
+    iWrite++;
+    iRead++;
+    if (iRead >= nFrames-1) {
+      iRead = 0;
+    }
+    if (iWrite >= nFrames-1) {
+      iWrite = 0;
+    }
+  }
+}
 
 
 

secondapplet.pde

@@ -548,6 +548,9 @@ public class SecondApplet extends PApplet {
         case(14):
         shaderManager.addShader(new DUAL());
         break;
+        case(15):
+        shaderManager.addShader(new GRAUZONE());
+        break;
         /*
          case(4):
          shaderManager.addShader(new AUECHO());

statics_and_lists.pde

@@ -56,18 +56,17 @@ String availableFx[] = {
   "fxBrokenColorRot", 
   "fxPosterize", 
   "fxDual", 
+  "fxGrauzone",
   
-  "fxMove", 
-  "fxEpilepsy", 
+  "fxMove",  
   "fxCopyZoom", 
+  
   "fxScanker", 
   "fxPixelSort", 
-  "fxEcho", 
   "fxSubtleSort", 
-  "fxBlackWhite", 
   
+  "fxMosh",
+  "fxPixelDrifter",
   "fxDrawGenerative", 
-  "fxDrawStrokes", 
-  
-  "fxGrauzone"
+  "fxDrawStrokes"
 };