Update index.html

threejs/dodecahedron-fractal/index.html

@@ -30,6 +30,26 @@
     </script>
 
   <script type="module" src="./script.js"></script>
+
+  <script>
+    // Function to toggle full screen mode
+    function toggleFullScreen() {
+      if (!document.fullscreenElement) {
+        document.documentElement.requestFullscreen().catch(err => {
+          console.error(`Error attempting to enable full-screen mode: ${err.message} (${err.name})`);
+        });
+      } else {
+        document.exitFullscreen();
+      }
+    }
+
+    // Event listener for keydown event
+    document.addEventListener('keydown', (event) => {
+      if (event.key === 'f' || event.key === 'F') {
+        toggleFullScreen();
+      }
+    });
+  </script>
 </body>
 
 </html>