using UnityEngine; public class PostEffect : MonoBehaviour { private Material _material = null; private void Awake() { _material = new Material(Shader.Find("Unlit/PostEffect")); // .shader の定義名に合わせる } private void OnDestroy() { if (_material != null) { Destroy(_material); _material = null; } } private void OnRenderImage(RenderTexture source, RenderTexture destination) { Graphics.Blit(source, desti