Add a gaussian walker

gaussian_random_walk/gaussian_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(randomGaussian());
+    int stepy = int(randomGaussian());
+    x += stepx;
+    y += stepy;
+  }
+}
+
+Walker w;
+
+void setup(){
+  size(640, 360);
+  w = new Walker();
+  background(255);
+}
+
+void draw() {
+  w.step();
+  w.display();
+}