libretro / libretro/nestopia

Crosshair issue in light gun games

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Dominant language
C++
Stars
78
Forks
63
PR merge metrics
No merged PRs in 30d

Description

The problem is best shown in the video I posted on YT:
https://www.youtube.com/watch?v=l_e4k2wftY0

The crosshair automatically appears in the upper left corner when it goes out of the screen. Changing the screen aspect ratio to full does nothing. I also tried with other input drivers.

Retroarch 1.15
Win 11, I7 8700k, Rtx 3070ti

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the linked video using RetroArch 1.15 on Windows 11 and a light gun game, then trace the light-gun input and crosshair behavior when the aim leaves the screen. Done means the crosshair no longer incorrectly appears in the upper-left corner, including with different input drivers and screen aspect ratios.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
game-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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