diff --git a/bouncing_ball_with_vector/boucing_ball_with_vector.pde b/bouncing_ball_with_vector/boucing_ball_with_vector.pde
new file mode 100644
index 0000000..7ffad2a
--- /dev/null
+++ b/bouncing_ball_with_vector/boucing_ball_with_vector.pde
@@ -0,0 +1,41 @@
+class PVector {
+  float x, y;
+  
+  PVector(float x_, float y_) {
+    x = x_;
+    y = y_;
+  }
+  
+  void add(PVector other) {
+    x += other.x;
+    y += other.y;
+  }
+}
+
+PVector location;
+PVector velocity;
+
+void setup() {
+  size(640, 360);
+  background(255);
+  location = new PVector(100, 100);
+  velocity = new PVector(1, 3.3);
+}
+
+void draw() {
+  background(255);
+  
+  location.add(velocity);
+  
+  if ((location.x > width) || (location.x <= 0)) {
+    velocity.x *= -1;
+  }
+  if ((location.y > height) || (location.y <= 0)) {
+    velocity.y *= -1;
+  }
+  
+  stroke(0);
+  fill(175);
+  ellipse(location.x, location.y, 16, 16);
+  
+}
\ No newline at end of file
diff --git a/test_export_svg/test_export_svg.pde b/test_export_svg/test_export_svg.pde
new file mode 100644
index 0000000..3c1a503
--- /dev/null
+++ b/test_export_svg/test_export_svg.pde
@@ -0,0 +1,22 @@
+import processing.svg.*;
+
+
+
+void setup() {
+  size(400, 400);
+  noLoop();
+  background(220, 220, 220);
+  beginRecord(SVG, "/home/yaf/filename.svg"); 
+}
+
+void draw() {
+  for(int i = 0; i < 10; i++) {
+    int rouge = int(random(250)) % 255;
+    int vert = int(random(230)) % 255;
+    int bleu = int(random(250)) % 255;
+    color couleur_du_moment = color(rouge, vert, bleu);
+    fill(couleur_du_moment);
+    quad(int(random(width)), int(random(height)), int(random(width)), int(random(height)), int(random(130)), int(random(163)), int(random(180)), int(random(176)));
+  }
+  endRecord();
+}