Added reset button

prototype/index.html

@@ -5,13 +5,17 @@
                 camera with the arrow keys of your keyboard, and change the
                 angle of the camera by dragging and dropping the scene around
                 it (you can also use your numpad, 2 to look lower, 8 to look
-                higher, 4 to look on the left and 6 to look on the right).
+                higher, 4 to look on the left and 6 to look on the right, but
+                if you're more comfortable with non-numpad keys, you can also
+                use i for up, j for left, k for down, and l for right).
             </p>
             <p>
-                Recommended views are displayed with a transparent red screen.
-                By clicking on this screen, your camera will move to the
-                recommended viewpoint.
+                Recommended views are displayed with a transparent red arrow.
+                They disappear when you come closer to them, and you can
+                automatically move to them by clicking on them. You can reset
+                the camera at anytime by clicking on the reset button.
             </p>
+            <button id="reset" style="margin-bottom:10px">Reset camera</button>
             <div style="border-width:1px; border-style: solid;" id="container"></div>
 #
         </section>

prototype/js/main.js

@@ -16,6 +16,9 @@ init();
 animate();
 
 function init() {
+    // Add the listener on the button
+    document.getElementById('reset').onclick = function() { cameras.mainCamera().reset(); };
+
     // on initialise le moteur de rendu
     container = document.getElementById('container');
     container.style.height = container_size.height + 'px';
@@ -51,8 +54,7 @@ function init() {
     // on initialise la camera que l’on place ensuite sur la scène
     var camera1 = new PointerCamera(50, container_size.width / container_size.height, 0.01, 100000, container);
     camera1.speed = 0.001;
-    camera1.position = new THREE.Vector3(0,2,0);
-    camera1.phi = -0.1;
+    camera1.reset();
     scene.add(camera1);
     cameras.push(camera1);