feat: implement axis gridlines#17
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nsh07 merged 2 commits intoOPCODE-Open-Spring-Fest:mainfrom Oct 27, 2025
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Please resolve the 3 requests. Otherwise, your PR is perfect and I can merge it after you fix these 3. Thanks for contributing!
nsh07
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Oct 27, 2025
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Description
Summary:
Implemented thin axis gridlines on the graph canvas that align with integer coordinates. Added adaptive grid spacing to prevent overcrowding at smaller zoom levels.
Details:
-> Added rendering logic for thin integer gridlines (light gray) on both axes.
-> Implemented adaptive spacing logic — gridline intervals dynamically increase when the zoom level is too small to keep visuals clean.
-> Updated graph rendering to maintain smooth performance even when zooming in or out.
-> Ensured the feature integrates with the existing SDL2 + ImGui rendering pipeline.
Testing:
-> Verified gridlines align with integer points.
-> Checked that lines don’t overcrowd at various zoom levels.
-> Confirmed smooth transitions during zoom in/out and function plotting.
Impact:
Improves graph readability and usability by providing clear, uncluttered grid visuals at all zoom scales.
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