Calibration: click Calibrate, then click four corners on the video where the screen corners are (TL, TR, BR, BL). This computes a homography to convert camera points → screen coordinates.

Click Spawn Target to place, or let Start Session spawn targets automatically. Aim and press trigger/click to score.

Selected input: —

Calibration points collected: 0

Gamepad:

Session log

Session stats

Shots:0\nHits:0\nAccuracy:0%

Camera mode assumes the gun emits an IR/bright dot that the camera can see. Calibration maps camera coordinates onto the screen rectangle. Mouse & Gamepad modes use raw device coordinates. Browser access to the camera and Gamepad API required.