better touch function

main.py

@@ -702,14 +702,18 @@ async def main():
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
                 running = False
-            elif event.type == pygame.KEYDOWN or event.type == pygame.JOYBUTTONDOWN or event.type == pygame.JOYHATMOTION or event.type == pygame.FINGERDOWN or touch_start or(event.type == pygame.MOUSEBUTTONDOWN and event.button == 1):
+            elif event.type == pygame.KEYDOWN or event.type == pygame.JOYBUTTONDOWN or event.type == pygame.JOYHATMOTION or event.type == pygame.FINGERDOWN or touch_start or (event.type == pygame.MOUSEBUTTONDOWN and event.button == 1):
                 if state == 1:  # PLAYING
-                    if is_LEFT_event(event) or touch(event) == "ontop":
+                    if pygame.FINGERUP and touch_start:
+                        result = touch(event)
+                    else:
+                        result = None
+                    if is_LEFT_event(event) or result == "ontop":
                         can_tip = current_case.length_units * UNIT_HEIGHT <= TRAILER_HEIGHT
                         if current_case and current_case.allow_snap and can_use_tilt and can_tip:
                             await current_case.animate_tip()
                             can_use_tilt = False
-                    elif is_UP_event(event) or touch(event) == "tilt":
+                    elif is_UP_event(event) or result == "tilt":
                         if current_case and current_case.allow_snap and can_use_on_top and current_case.can_place_on_top():
                             if await current_case.animate_place_on_top():
                                 transition_counter = transition_fps
@@ -726,7 +730,7 @@ async def main():
                                 stacked_cases.append(current_case)
                                 spawn_case_in_game()
                                 shake_timer = 10
-                    elif is_SPACE_event(event) or touch(event) == "snap":
+                    elif is_SPACE_event(event) or result == "snap":
                         if current_case and current_case.allow_snap:
                             await current_case.animate_snap()
                             can_use_tilt = True