Update src/streamlit_app.py

src/streamlit_app.py

@@ -339,7 +339,7 @@ def main():
 
     elif angle_input_method == "Auto Animation":
         speed = st.sidebar.slider("Animation Speed", 1, 10, 5, key="animation_speed_slider")
-        angle_step = st.sidebar.slider("Angle Step", 5, 30, 15, key="animation_step_slider")  # Smaller steps for smoother animation
+        angle_step = st.sidebar.slider("Angle Step", 5, 30, 15, key="animation_step_slider")
         
         # Add animation controls
         col_anim1, col_anim2 = st.sidebar.columns(2)
@@ -348,32 +348,48 @@ def main():
         with col_anim2:
             stop_animation = st.sidebar.button("⏹️ Stop", key="stop_anim_button")
 
-        # Add session state for animation control
+        # Initialize session state for animation control
         if 'animation_running' not in st.session_state:
             st.session_state.animation_running = False
         if 'current_animation_angle' not in st.session_state:
             st.session_state.current_animation_angle = 0
+        if 'last_update_time' not in st.session_state:
+            st.session_state.last_update_time = time.time()
         
         if start_animation:
             st.session_state.animation_running = True
+            st.session_state.last_update_time = time.time()
         if stop_animation:
             st.session_state.animation_running = False
         
-        # Optimized animation without sleep
+        # Animation with timing control
         if st.session_state.animation_running:
-            # Update angle
-            st.session_state.current_animation_angle += angle_step
-            if st.session_state.current_animation_angle >= 360:
-                st.session_state.current_animation_angle = 0
-                st.session_state.animation_running = False
-                st.success("Animation complete!")
+            current_time = time.time()
+            # Control animation speed (higher speed = faster updates)
+            time_threshold = 1.0 / speed  # seconds between updates
             
-            angle = st.session_state.current_animation_angle
-            
-            # Use auto-refresh for animation
-            st.rerun()
+            if current_time - st.session_state.last_update_time >= time_threshold:
+                # Update angle
+                st.session_state.current_animation_angle += angle_step
+                if st.session_state.current_animation_angle >= 360:
+                    st.session_state.current_animation_angle = 0
+                    st.session_state.animation_running = False
+                    st.success("Animation complete!")
+                
+                st.session_state.last_update_time = current_time
+                st.rerun()
+            else:
+                # Keep checking for updates
+                time.sleep(0.1)
+                st.rerun()
+        
+        angle = st.session_state.current_animation_angle
+        
+        # Display current animation status
+        if st.session_state.animation_running:
+            st.sidebar.info(f"🎬 Animating... Current angle: {angle}°")
         else:
-            angle = st.session_state.current_animation_angle
+            st.sidebar.info(f"⏸️ Animation stopped at: {angle}°")
 
     else:  # Common Angles
         common_angles = {