progresses on processing script

processing-js 0.4 has been merged in some relevant parts
basic and topic scripts added for test
color handling fixed, more scripts show up now

scripts/processing/topics/pixelarray.pde

@@ -0,0 +1,56 @@
+PImage a;
+int[] aPixels;
+int direction = 1;
+boolean onetime = true;
+float signal;
+
+void setup() 
+{
+  size(200, 200);
+  aPixels = new int[width*height];
+  noFill();
+  stroke(255);
+  frameRate(30);
+  a = loadImage("data/ystone08.jpg", null, function(){
+    for(int i=0; i<width*height; i++) {
+      aPixels[i] = a.pixels[i];
+    }
+  });  
+}
+
+void draw() 
+{
+  if (signal > width*height-1 || signal < 0) { 
+    direction = direction * -1; 
+  }
+
+  if(mousePressed) {
+    if(mouseY > height-1) { mouseY = height-1; }
+    if(mouseY < 0) { mouseY = 0; }
+    signal = mouseY*width+mouseX;
+  } else {
+    signal += (0.33*direction);  
+  }
+  
+  if(keyPressed) {
+    image(a, 0, 0);
+    /*
+    loadPixels();
+    for (int i=0; i<width*height; i++) { 
+      pixels[i] = aPixels[i];  
+    }
+    updatePixels();
+    */
+    rect(signal%width-5, int(signal/width)-5, 10, 10);
+    point(signal%width, int(signal/width));
+  } else {
+    background( aPixels[int(signal)] );
+    /*
+    loadPixels();
+    for (int i=0; i<width*height; i++) { 
+      pixels[i] = aPixels[int(signal)];
+    }
+    updatePixels();
+    */
+  }
+}