diff --git a/src/engine/input.rs b/src/engine/input.rs
index 7466b82..a1d96ac 100644
--- a/src/engine/input.rs
+++ b/src/engine/input.rs
@@ -302,4 +302,10 @@ impl Inputs {
         let mut inner = self.0.borrow_mut();
         inner.events.pop_front()
     }
+
+    /// Deletes all the events and resets all the values.
+    pub fn clear(&mut self) {
+        let mut inner = self.0.borrow_mut();
+        inner.events.clear();
+    }
 }
diff --git a/src/engine/mod.rs b/src/engine/mod.rs
index a39068a..f1c773f 100644
--- a/src/engine/mod.rs
+++ b/src/engine/mod.rs
@@ -219,6 +219,9 @@ impl Engine {
 
                 self.scene = scene;
             }
+        } else {
+            // Clear the events received while document was out of focus
+            self.inputs.clear();
         }
 
         Ok(())
@@ -239,6 +242,8 @@ impl Engine {
             self.canvas.set_height(window_height_u32);
         }
 
+        let window_size = Vector::new(window_width, window_height);
+
         let view = self.scene.view().unwrap(); // TODO remove this unwrap
 
         // Clear render
@@ -258,7 +263,7 @@ impl Engine {
             for j in 0..cols {
                 let tile = map.at(i, j);
                 if tile.graphic.is_visible() {
-                    self.draw(&tile, view)?;
+                    self.draw(&tile, view, window_size)?;
                 }
             }
         }
@@ -266,7 +271,7 @@ impl Engine {
         // Draw characters
         for c in self.scene.characters() {
             if true {
-                self.draw(c, view)?;
+                self.draw(c, view, window_size)?;
             }
         }
 
@@ -274,19 +279,16 @@ impl Engine {
     }
 
     /// Draw a drawable.
-    pub fn draw<D: Drawable>(&self, drawable: &D, view: Bbox) -> Result<()> {
-        let window_width = unwrap!(self.window.inner_width()?.as_f64());
-        let window_height = unwrap!(self.window.inner_height()?.as_f64());
-
+    pub fn draw<D: Drawable>(&self, drawable: &D, view: Bbox, window: Vector) -> Result<()> {
         let image = self.textures.get(drawable.texture());
 
         let source = drawable.texture_rect(self.after_loop);
         let mut dest = source.clone();
         dest.position = drawable.position() - view.position;
-        dest.position.x *= window_width / view.size.x;
-        dest.position.y *= window_height / view.size.y;
-        dest.size.x *= window_width / view.size.x;
-        dest.size.y *= window_height / view.size.y;
+        dest.position.x *= window.x / view.size.x;
+        dest.position.y *= window.y / view.size.y;
+        dest.size.x *= window.x / view.size.x;
+        dest.size.y *= window.y / view.size.y;
 
         image.render(source, dest, &self.context)?;
         Ok(())