CameraFilterPack_Atmosphere_Rain.cs

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using UnityEngine;
 
[ExecuteInEditMode]
[AddComponentMenu("Camera Filter Pack/Weather/Rain")]
public class CameraFilterPack_Atmosphere_Rain : MonoBehaviour
{
    public Shader SCShader;
 
    private float TimeX = 1f;
 
    private Material SCMaterial;
 
    [Range(0f, 1f)]
    public float Fade = 1f;
 
    [Range(0f, 2f)]
    public float Intensity = 0.5f;
 
    [Range(-0.25f, 0.25f)]
    public float DirectionX = 0.12f;
 
    [Range(0.4f, 2f)]
    public float Size = 1.5f;
 
    [Range(0f, 0.5f)]
    public float Speed = 0.275f;
 
    [Range(0f, 0.5f)]
    public float Distortion = 0.05f;
 
    [Range(0f, 1f)]
    public float StormFlashOnOff = 1f;
 
    private Texture2D Texture2;
 
    private Material material
    {
        get
        {
            if (SCMaterial == null)
            {
                SCMaterial = new Material(SCShader);
                SCMaterial.hideFlags = HideFlags.HideAndDontSave;
            }
            return SCMaterial;
        }
    }
 
    private void Start()
    {
        Texture2 = Resources.Load("CameraFilterPack_Atmosphere_Rain_FX") as Texture2D;
        SCShader = Shader.Find("CameraFilterPack/Atmosphere_Rain");
        if (!SystemInfo.supportsImageEffects)
        {
            base.enabled = false;
        }
    }
 
    private void OnRenderImage(RenderTexture sourceTexture, RenderTexture destTexture)
    {
        if (SCShader != null)
        {
            TimeX += Time.deltaTime;
            if (TimeX > 100f)
            {
                TimeX = 0f;
            }
            material.SetFloat("_TimeX", TimeX);
            material.SetFloat("_Value", Fade);
            material.SetFloat("_Value2", Intensity);
            material.SetFloat("_Value3", DirectionX);
            material.SetFloat("_Value4", Speed);
            material.SetFloat("_Value5", Size);
            material.SetFloat("_Value6", Distortion);
            material.SetFloat("_Value7", StormFlashOnOff);
            material.SetVector("_ScreenResolution", new Vector4(sourceTexture.width, sourceTexture.height, 0f, 0f));
            material.SetTexture("Texture2", Texture2);
            Graphics.Blit(sourceTexture, destTexture, material);
        }
        else
        {
            Graphics.Blit(sourceTexture, destTexture);
        }
    }
 
    private void Update()
    {
    }
 
    private void OnDisable()
    {
        if ((bool)SCMaterial)
        {
            Object.DestroyImmediate(SCMaterial);
        }
    }
}