w/h resizing with magic numbers

js/x3dom_init.js

@@ -117,8 +117,18 @@ X3DOMObject.prototype.resize = function(){
     });
 
     //var fov = w/h*self._FOV;
-    // fixed ratio
+    // default vertical FoV is 30 degs, we would like to fit in the window
+    // the model w/h ratio is 2592/1904
     var fov = 1.8*self._FOV;
+    var K_model = 2592/1904;
+    var K_window = w/h;
+
+    // window is really wide - fit the height
+    if (K_window > K_model){
+        fov = 1.8*self._FOV;
+    }else{
+        fov = (4.2-1.8*K_window)*self._FOV;
+    }
 
     //fov = Math.PI/2;
     //console.log(fov);