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brute forcing math for scroll speed

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Chuck
2025-09-12 18:39:31 -04:00
parent d08e7953f2
commit a52130cedb
1 changed files with 16 additions and 9 deletions
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src/leaderboard_manager.py
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@@ -1020,8 +1020,12 @@ class LeaderboardManager:
# Calculate time based on scroll speed and delay # Calculate time based on scroll speed and delay
# scroll_speed = pixels per frame, scroll_delay = seconds per frame # scroll_speed = pixels per frame, scroll_delay = seconds per frame
frames_needed = total_scroll_distance / self.scroll_speed # However, actual observed speed is slower than theoretical calculation
total_time = frames_needed * self.scroll_delay # Based on log analysis: 1950px in 36s = 54.2 px/s actual speed
# vs theoretical: 1px/0.01s = 100 px/s
# Use actual observed speed for more accurate timing
actual_scroll_speed = 54.2 # pixels per second (calculated from logs)
total_time = total_scroll_distance / actual_scroll_speed
# Add buffer time for smooth cycling (configurable %) # Add buffer time for smooth cycling (configurable %)
buffer_time = total_time * self.duration_buffer buffer_time = total_time * self.duration_buffer
@@ -1061,9 +1065,9 @@ class LeaderboardManager:
logger.info(f" Display width: {display_width}px") logger.info(f" Display width: {display_width}px")
logger.info(f" Content width: {self.total_scroll_width}px") logger.info(f" Content width: {self.total_scroll_width}px")
logger.info(f" Total scroll distance: {total_scroll_distance}px") logger.info(f" Total scroll distance: {total_scroll_distance}px")
logger.info(f" Scroll speed: {self.scroll_speed}px/frame") logger.info(f" Configured scroll speed: {self.scroll_speed}px/frame")
logger.info(f" Scroll delay: {self.scroll_delay}s/frame") logger.info(f" Configured scroll delay: {self.scroll_delay}s/frame")
logger.info(f" Frames needed: {frames_needed:.1f}") logger.info(f" Actual observed scroll speed: {actual_scroll_speed}px/s (from log analysis)")
logger.info(f" Base time: {total_time:.2f}s") logger.info(f" Base time: {total_time:.2f}s")
logger.info(f" Buffer time: {buffer_time:.2f}s ({self.duration_buffer*100}%)") logger.info(f" Buffer time: {buffer_time:.2f}s ({self.duration_buffer*100}%)")
logger.info(f" Looping enabled: {self.loop}") logger.info(f" Looping enabled: {self.loop}")
@@ -1071,7 +1075,7 @@ class LeaderboardManager:
logger.info(f"Final calculated duration: {self.dynamic_duration}s") logger.info(f"Final calculated duration: {self.dynamic_duration}s")
# Verify the duration makes sense for the content # Verify the duration makes sense for the content
expected_scroll_time = self.total_scroll_width / (self.scroll_speed / self.scroll_delay) expected_scroll_time = self.total_scroll_width / actual_scroll_speed
logger.info(f" Verification - Time to scroll content: {expected_scroll_time:.1f}s") logger.info(f" Verification - Time to scroll content: {expected_scroll_time:.1f}s")
except Exception as e: except Exception as e:
@@ -1236,15 +1240,18 @@ class LeaderboardManager:
# If we have less than 2 seconds remaining, check if we can complete the content display # If we have less than 2 seconds remaining, check if we can complete the content display
if remaining_time < 2.0 and self.scroll_position > 0: if remaining_time < 2.0 and self.scroll_position > 0:
# Calculate how much time we need to complete the current scroll position # Calculate how much time we need to complete the current scroll position
# Use actual observed scroll speed (54.2 px/s) instead of theoretical calculation
actual_scroll_speed = 54.2 # pixels per second (calculated from logs)
if self.loop: if self.loop:
# For looping, we need to complete one full cycle # For looping, we need to complete one full cycle
frames_to_complete = (self.leaderboard_image.width - self.scroll_position) / self.scroll_speed distance_to_complete = self.leaderboard_image.width - self.scroll_position
else: else:
# For single pass, we need to reach the end (content width minus display width) # For single pass, we need to reach the end (content width minus display width)
end_position = max(0, self.leaderboard_image.width - width) end_position = max(0, self.leaderboard_image.width - width)
frames_to_complete = (end_position - self.scroll_position) / self.scroll_speed distance_to_complete = end_position - self.scroll_position
time_to_complete = frames_to_complete * self.scroll_delay time_to_complete = distance_to_complete / actual_scroll_speed
if time_to_complete <= remaining_time: if time_to_complete <= remaining_time:
# We have enough time to complete the scroll, continue normally # We have enough time to complete the scroll, continue normally