Ajout de deux exercices

bouncing_ball/bouncing_ball.pde

@@ -0,0 +1,29 @@
+float x = 100;
+float y = 100;
+
+float xspeed = 1;
+float yspeed = 3.3;
+
+void setup() {
+  size(640, 360);
+  background(255);
+}
+
+void draw() {
+  background(255);
+
+  x += xspeed;
+  y += yspeed;
+  
+  if ((x > width) || (x <= 0)) {
+    xspeed *= -1;
+  }
+  if ((y > height) || (y <= 0)) {
+    yspeed *= -1;
+  }
+  
+  stroke(0);
+  fill(175);
+  ellipse(x, y, 16, 16);
+  
+}