RayBlackOut.cs Oclusカメラ用のコード。当たり判定があるものに近づきすぎると徐々にブラックアウト＆FOV減少して、めり込みされる状態の描画を防ぐ

gistfile1.cs

using UnityEngine;
using System.Collections;

public class RayBlackOut : MonoBehaviour {
    /// <summary>暗転用黒テクスチャ</summary>
    private Texture2D blackTexture;
    /// <summary>フェード中の透明度</summary>
    private float fadeAlpha = 0;
    /// <summary>フェード中かどうか</summary>
    private bool isFading = false;

    float blackDist = 0.15f;
    float blackStartDist = 0.25f;
    [SerializeField]
    GameObject OVRCamera = null;
    OVRCameraController ovrcc = null;
    float fovORG = 0f;

    public void Start()
    {
        DontDestroyOnLoad (this.gameObject);
        //ここで黒テクスチャ作る
        this.blackTexture = new Texture2D (32, 32, TextureFormat.RGB24, false);
        this.blackTexture.ReadPixels (new Rect (0, 0, 32, 32), 0, 0, false);
        this.blackTexture.SetPixel (0, 0, Color.white);
        this.blackTexture.Apply ();
        ovrcc = OVRCamera.GetComponent<OVRCameraController>();
        fovORG = OVRDevice.VerticalFOV();
    }
   
    public void OnGUI ()
    {
        if (!isFading)
            return;
 
        //透明度を更新して黒テクスチャを描画
        GUI.color = new Color (0, 0, 0, this.fadeAlpha);
        GUI.DrawTexture (new Rect (0, 0, Screen.width, Screen.height), this.blackTexture);
    }
    void Update()
    {
        RaycastHit hit;
        //カメラからみたマウス位置のレイ
        Ray ray = new Ray(Camera.main.transform.position, Camera.main.transform.forward);
        fadeAlpha = 1f;
        isFading = true;
        //レイを投射してオブジェクトを検出
        if (Physics.Raycast(ray, out hit))
        {
            if (hit.distance < blackDist)
            {
                isFading = true;
                fadeAlpha = 1f;
                ovrcc.VerticalFOV = 60f;
            }
            else if (hit.distance < blackStartDist)
            {
                isFading = true;
                fadeAlpha = (blackStartDist - hit.distance) * 10;
                ovrcc.VerticalFOV = fovORG - (blackStartDist - hit.distance) * 300f;
            }
            else if (isFading)
            {
                ovrcc.VerticalFOV = fovORG;
                isFading = false;
            }
        }
    }
}