FinalDissertationProject/VRRuntimeInfo2 at main · Ru1Cheng/FinalDissertationProject · GitHub

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using UnityEngine;
using UnityEngine.XR;

public class VRRuntimeInfo2 : MonoBehaviour
{
    public int logEveryNFrames = 300; // ~5 seconds at 60 Hz

    private Camera cam;
    private int frameCount;

    void Awake()
    {
        cam = GetComponent<Camera>();
        if (cam == null)
            cam = Camera.main;
    }

    void Update()
    {
        frameCount++;
        if (frameCount % logEveryNFrames == 0)
        {
            LogXRInfo();
        }
    }

    void LogXRInfo()
    {
        int w = XRSettings.eyeTextureWidth;
        int h = XRSettings.eyeTextureHeight;

        string device = XRSettings.loadedDeviceName;
        float scale = XRSettings.eyeTextureResolutionScale;

        if (cam != null && cam.stereoEnabled)
        {
            var left = cam.GetStereoProjectionMatrix(Camera.StereoscopicEye.Left);
            var right = cam.GetStereoProjectionMatrix(Camera.StereoscopicEye.Right);

            float fovV_L = Mathf.Rad2Deg * (2f * Mathf.Atan(1f / left[1, 1]));
            float fovH_L = Mathf.Rad2Deg * (2f * Mathf.Atan(1f / left[0, 0]));

            float fovV_R = Mathf.Rad2Deg * (2f * Mathf.Atan(1f / right[1, 1]));
            float fovH_R = Mathf.Rad2Deg * (2f * Mathf.Atan(1f / right[0, 0]));

            Debug.Log(
                $"[VRRuntimeInfo] Device='{device}', eyeTex={w}x{h}, scale={scale:F2} | " +
                $"Left FOV HxV={fovH_L:F2}�{fovV_L:F2} deg, " +
                $"Right FOV HxV={fovH_R:F2}�{fovV_R:F2} deg"
            );
        }
        else
        {
            Debug.Log(
                $"[VRRuntimeInfo] Device='{device}', eyeTex={w}x{h}, scale={scale:F2} | stereo not enabled yet."
            );
        }
    }
}