diff --git a/periodic_updates.cpp b/periodic_updates.cpp
index e395581..4c175b5 100644
--- a/periodic_updates.cpp
+++ b/periodic_updates.cpp
@@ -13,7 +13,7 @@ struct Movement {
         right(false),
         turn_l(false),
         turn_r(false),
-        sight_angle(0.)
+        sight_angle(3.14159)
     {}
 
     bool
@@ -79,8 +79,9 @@ void periodic_update() {
 
     _movement.tick();
     _position += _movement.movement();
+    Point look_at = _position + _movement.sight();
 
-    _render->set_camera(_position, _position + _movement.sight());
+    _render->set_camera(_position, look_at);
 
     _last_time = now;
     glutPostRedisplay();