Sort of fixed enemy freezes

Former-commit-id: b21819c6309cec41d4812e712c1ca3b31452e530

common/src/sys/agent.rs

@@ -93,7 +93,7 @@ impl<'a> System<'a> for Sys {
                         },
                         None => {
                             control.move_dir = Vec2::one();
-                            rand::random::<f32>().fract() < 0.25
+                            true
                         },
                     };