fix: prevents cursor drift when using gamepads #2800
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Controllers commonly experience "stick drift" where analog sticks don't return perfectly to center (0.0, 0.0) and instead hover at small values like 0.01-0.05. Without a deadzone check, even tiny thumbstick movements cause deltaX to be non-zero, resulting in the cursor constantly drifting to the right (or other directions) pixel by pixel. With this commit, gamepads will only move the cursor when the thumbstick is pushed beyond a deadzone threshold (0.15f), effectively filtering out controller drift while still allowing intentional cursor movement with the gamepad. Signed-off-by: Arufonsu <17498701+Arufonsu@users.noreply.github.com>
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This commit should fix the following issue:
2026-01-03.20-45-52.mp4
Explanation
Controllers commonly experience "stick drift" where analog sticks don't return perfectly to center (0.0, 0.0) and instead hover at small values like 0.01-0.05. Without a deadzone check, even tiny thumbstick movements cause deltaX to be non-zero, resulting in the cursor constantly drifting to the right (or other directions) pixel by pixel. With this commit, gamepads will only move the cursor when the thumbstick is pushed beyond a deadzone threshold (0.15f), effectively filtering out controller drift while still allowing intentional cursor movement with the gamepad.