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/basic/saturation.pde

@@ -0,0 +1,23 @@
+int barWidth = 5;
+int[] saturation;
+
+void setup() 
+{
+  size(200, 200);
+  colorMode(HSB, 360, height, height); 
+  saturation = new int[width/barWidth];
+}
+
+void draw() 
+{
+  int j = 0;
+  for (int i=0; i<=(width-barWidth); i+=barWidth) {  
+    noStroke();
+    if ((mouseX > i) && (mouseX < i+barWidth)) {
+      saturation[j] = mouseY;
+    }
+    fill(i, saturation[j], height/1.5);
+    rect(i, 0, barWidth, height);  
+    j++;
+  }
+}