Unity 使用代码控制PostProcessing的效果_unity 代码设置 carmera 的rendering勾选 post processing

//所需要的引用
using UnityEngine.Rendering;
using UnityEngine.Rendering.PostProcessing;
 
public class PostProcessingController:MonoBehaviour
{
        /// <summary>
        /// PP Volume
        /// </summary>
        public PostProcessVolume volume;
 
        /// <summary>
        /// Example示例  打开DOF效果
        /// </summary>
        public void OpenDepthOfField()
        {
            volume.profile.GetSetting<DepthOfField>().active = true;
        }
 
        /// <summary>
        /// 动态调节调色  从黑白变彩色
        /// </summary>
        /// <param name="speed"></param>
        public void SetColorGrading(float speed)
        {
            StartCoroutine(IESetPP(speed));
        }
        public IEnumerator IESetPP(float speed)
        {
            //float currentSaturation = volume.profile.GetSetting<ColorGrading>().saturation.value;
            while (volume.profile.GetSetting<ColorGrading>().saturation.value < 0)
            {
                volume.profile.GetSetting<ColorGrading>().saturation.value += Time.deltaTime * speed;
                yield return 0;
            }
        }
    }