Final exam version

solar_input.py

@@ -0,0 +1,44 @@
+from datetime import datetime
+import pygame
+
+
+def handle_events(app, system, save_callback):
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            app.running = False
+        elif event.type == pygame.VIDEORESIZE:
+            width = max(event.w, app.min_width)
+            height = max(event.h, app.min_height)
+            app.resize_window(width, height)
+        elif event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_ESCAPE:
+                app.running = False
+            elif event.key == pygame.K_SPACE:
+                system.toggle_pause()
+            elif event.key == pygame.K_o:
+                system.toggle_orbits()
+            elif event.key == pygame.K_s:
+                save_callback(system)
+
+
+def save_system_to_file(system, filename="solar_state.txt"):
+    with open(filename, "w", encoding="utf-8") as file:
+        file.write(f"Saved: {datetime.now()}\n")
+        file.write(f"Paused: {system.paused}\n")
+        file.write(f"Show orbits: {system.show_orbits}\n")
+        file.write(f"Total stars: {len(system.stars)}\n")
+        file.write(f"Total planets: {system.get_planet_count()}\n")
+        file.write(f"Total objects: {len(system.get_all_objects())}\n")
+        file.write(f"Total mass: {system.get_total_mass():.3e}\n\n")
+
+        for star in system.stars:
+            file.write(f"{star.name}: x={star.x:.2f}, y={star.y:.2f}, radius={star.radius}, mass={star.mass:.3e}\n")
+            for planet in star.planets:
+                file.write(
+                    f"  Planet orbit={planet.orbit_number}, "
+                    f"x={planet.x:.2f}, y={planet.y:.2f}, radius={planet.radius}, "
+                    f"mass={planet.mass:.3e}, angular_speed={planet.angular_speed:.6f}, "
+                    f"linear_speed={planet.linear_speed:.3f}, direction={planet.direction}, "
+                    f"angle={planet.angle:.6f}, orbit_radius={planet.orbit_radius}\n"
+                )
+            file.write("\n")