Random walk and random distribution visualisation

random_visualisation/randpm_visualisation.pde

@@ -0,0 +1,19 @@
+int[] randomCounts;
+
+void setup() {
+  size(640, 240);
+  randomCounts = new int[20];
+}
+
+void draw() {
+  background(255);
+  int index = int(random(randomCounts.length));
+  randomCounts[index]++;
+  stroke(0);
+  fill(175);
+  int w = width/randomCounts.length;
+  
+  for(int x = 0; x < randomCounts.length; x++) {
+    rect(x * w, height - randomCounts[x], w - 1, randomCounts[x]);
+  }
+}

random_walk/random_walk.pde

@@ -0,0 +1,39 @@
+
+int EQUILIBRE = 3;
+int SUD_EST = 4;
+int BALADE = SUD_EST;
+
+class Walker {
+  int x;
+  int y;
+  
+  Walker() {
+    x = width / 2;
+    y = height / 2;
+  }
+  
+  void display() {
+    stroke(0);
+    point(x, y);
+  }
+  
+  void step() {
+    int stepx = int(random(BALADE)) - 1;
+    int stepy = int(random(BALADE)) - 1;
+    x += stepx;
+    y += stepy;
+  }
+}
+
+Walker w;
+
+void setup(){
+  size(640, 360);
+  w = new Walker();
+  background(255);
+}
+
+void draw() {
+  w.step();
+  w.display();
+}