space to play/pause

life/src/main.rs

@@ -66,6 +66,7 @@ fn main() {
                 // Run if state changed: AudioPlayback
                 control_volume,
                 toggle_audio_state.run_if(input_just_pressed(KeyCode::KeyM)),
+                toggle_playback_state.run_if(input_just_pressed(KeyCode::Space)),
                 de_spawn_cells
                     .run_if(not(is_ui_hovered))
                     .run_if(not(is_panning))
@@ -997,6 +998,20 @@ fn toggle_audio_state(
     );
 }
 
+fn toggle_playback_state(
+    mut next_state: ResMut<NextState<SimulationPlayback>>,
+    curr_state: Res<State<SimulationPlayback>>,
+) {
+    // Set next audio playback state
+    next_state.set(
+        match curr_state.get() {
+            SimulationPlayback::Run => SimulationPlayback::Pause,
+            SimulationPlayback::Step => SimulationPlayback::Pause,
+            SimulationPlayback::Pause => SimulationPlayback::Run,
+        }
+    );
+}
+
 fn control_volume(
     audio_state: Res<State<AudioPlayback>>,
     simulation_state: Res<State<SimulationPlayback>>,