Files
2026-02-21 16:45:37 +08:00

49 lines
1.1 KiB
C#

using UnityEngine;
[AddComponentMenu("Image Effects/Frost")]
[ExecuteInEditMode]
public class FrostEffect : MonoBehaviour
{
public float FrostAmount = 0.5f;
public float EdgeSharpness = 1f;
public float minFrost;
public float maxFrost = 1f;
public float seethroughness = 0.2f;
public float distortion = 0.1f;
public Texture2D Frost;
public Texture2D FrostNormals;
public Shader Shader;
private Material material;
private void Awake()
{
material = new Material(Shader);
material.SetTexture("_BlendTex", Frost);
material.SetTexture("_BumpMap", FrostNormals);
}
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (!Application.isPlaying)
{
material.SetTexture("_BlendTex", Frost);
material.SetTexture("_BumpMap", FrostNormals);
EdgeSharpness = Mathf.Max(1f, EdgeSharpness);
}
material.SetFloat("_BlendAmount", Mathf.Clamp01(Mathf.Clamp01(FrostAmount) * (maxFrost - minFrost) + minFrost));
material.SetFloat("_EdgeSharpness", EdgeSharpness);
material.SetFloat("_SeeThroughness", seethroughness);
material.SetFloat("_Distortion", distortion);
Graphics.Blit(source, destination, material);
}
}