better movement, floor and exit with escape

src/camera.rs

@@ -18,7 +18,7 @@ impl Default for FlyCamera {
   fn default() -> Self {
     Self {
       speed: 1.5,
-      sensitivity: 3.0,
+      sensitivity: 6.0,
       friction: 1.0,
       pitch: 0.0,
       yaw: 0.0,
@@ -76,7 +76,7 @@ fn camera_movement_system(
 
     let rotation = transform.rotation;
     let accel: Vec3 = (strafe_vector(&rotation) * axis_h)
-      + (forward_walk_vector(&rotation) * axis_v)
+      + (forward_vector(&rotation) * axis_v)
       + (Vec3::unit_y() * axis_float);
     let accel: Vec3 = if accel.length() != 0.0 {
       accel.normalize() * options.speed

src/main.rs

@@ -44,6 +44,14 @@ fn init(
       }
     }
   }
+
+  // create a floor
+  commands.spawn(PbrBundle {
+    mesh: meshes.add(Mesh::from(shape::Plane { size: 10. })),
+    material: materials.add(Color::rgb(0.5, 0.9, 0.9).into()),
+    transform: Transform::from_translation(Vec3::new(0.0, -3.0, 0.0)),
+    ..Default::default()
+  });
 }
 
 fn exit_game_system(keyboard_input: Res<Input<KeyCode>>) {