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⚡ Bolt: optimize snake.html rendering performance#58

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bolt-snake-optimization-8369810555903953250
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⚡ Bolt: optimize snake.html rendering performance#58
babelman97 wants to merge 1 commit into
mainfrom
bolt-snake-optimization-8369810555903953250

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Optimized snake.html rendering performance by pre-rendering the background grid, snake segments, and obstacles onto offscreen canvases. This replaces expensive gradient and stroke calls in the main draw loop with efficient drawImage calls, resulting in a measurable ~2.6x performance improvement while maintaining visual parity.


PR created automatically by Jules for task 8369810555903953250 started by @babelman97

💡 What: Implemented offscreen canvas caching for static and repeated visual elements in `snake.html`. This includes the background grid, snake head/body segments, and obstacles.

🎯 Why: The original implementation re-calculated gradients and re-drew the entire grid every frame inside the `drawGame` loop, causing unnecessary CPU/GPU overhead.

📊 Impact: Measured a ~2.6x speedup in the `drawGame` function logic (~2.26ms down to ~0.85ms per call for a 100-segment snake).

🔬 Measurement: Verified using a Playwright-based benchmark script and visual parity check with screenshots.

Co-authored-by: babelman97 <186798789+babelman97@users.noreply.github.com>
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