diff --git a/pooltool/ani/animate.py b/pooltool/ani/animate.py
index 89c97415..a609e237 100755
--- a/pooltool/ani/animate.py
+++ b/pooltool/ani/animate.py
@@ -28,6 +28,7 @@
 from pooltool.ani.menu import GenericMenu, menus
 from pooltool.ani.modes import Mode, ModeManager, all_modes
 from pooltool.ani.mouse import mouse
+from pooltool.evolution import simulate
 from pooltool.evolution.continuize import continuize
 from pooltool.game.datatypes import GameType
 from pooltool.layouts import get_rack
@@ -518,6 +519,16 @@ def enter_game(self):
         if ani.settings["graphics"]["hud"]:
             hud.init()
 
+        code_comp_menu = GenericMenu(
+            title="Compiling simulation code...",
+            frame_color=(0, 0, 0, 0.4),
+            title_pos=(0, 0, 0),
+        )
+        code_comp_menu.show()
+        boop(2)
+        simulate(System.example(), inplace=True)
+        code_comp_menu.hide()
+
         Global.mode_mgr.change_mode(Mode.aim)
 
     def create_system(self):
diff --git a/pooltool/ani/modes/calculate.py b/pooltool/ani/modes/calculate.py
index 19c969fe..0e0aa83c 100644
--- a/pooltool/ani/modes/calculate.py
+++ b/pooltool/ani/modes/calculate.py
@@ -9,7 +9,7 @@
 from pooltool.ani.modes.datatypes import BaseMode, Mode
 from pooltool.ani.mouse import MouseMode, mouse
 from pooltool.evolution import simulate
-from pooltool.system.datatypes import multisystem
+from pooltool.system.datatypes import System, multisystem
 
 
 class CalculateMode(BaseMode):
@@ -30,7 +30,13 @@ def enter(self):
             title_pos=(0, 0, -0.2),
         )
 
-        tasks.add(self.run_simulation, "run_simulation", taskChain="simulation")
+        tasks.add(
+            self.run_simulation,
+            "run_simulation",
+            extraArgs=[multisystem.active],
+            taskChain="simulation",
+            appendTask=True,
+        )
 
         self.register_keymap_event("escape", Action.quit, True)
         self.register_keymap_event("mouse1", Action.zoom, True)
@@ -74,11 +80,11 @@ def calculate_view_task(self, task):
 
         return task.cont
 
-    def run_simulation(self, task):
+    def run_simulation(self, system: System, task):
         """Run a pool simulation"""
 
         simulate(
-            multisystem.active,
+            system,
             continuous=True,
             inplace=True,
         )
diff --git a/pooltool/system/datatypes.py b/pooltool/system/datatypes.py
index 1a54a812..d5a6c120 100644
--- a/pooltool/system/datatypes.py
+++ b/pooltool/system/datatypes.py
@@ -573,7 +573,7 @@ def example(cls) -> System:
             },
         )
         system.set_ballset(BallSet("pooltool_pocket"))
-        system.cue.set_state(V0=1.5, b=-0.3, phi=95.07668213305062)
+        system.cue.set_state(V0=1.5, b=-0.3, a=-0.4, phi=95.14)
         return system