Files
2026-05-23 14:12:25 +02:00

71 lines
1.3 KiB
C#

using System;
using UnityEngine;
[Serializable]
[AddComponentMenu("Image Effects/Screen Overlay")]
[ExecuteInEditMode]
[RequireComponent(typeof(Camera))]
public class ScreenOverlay : PostEffectsBase
{
[Serializable]
public enum OverlayBlendMode
{
AddSub = 0,
ScreenBlend = 1,
Multiply = 2,
Overlay = 3,
AlphaBlend = 4
}
public OverlayBlendMode blendMode;
public float intensity;
public Texture2D texture;
public Shader overlayShader;
private Material overlayMaterial;
public ScreenOverlay()
{
blendMode = OverlayBlendMode.Overlay;
intensity = 1f;
}
public virtual void OnDisable()
{
if ((bool)overlayMaterial)
{
UnityEngine.Object.DestroyImmediate(overlayMaterial);
}
}
public override bool CheckResources()
{
CheckSupport(false);
overlayMaterial = CheckShaderAndCreateMaterial(overlayShader, overlayMaterial);
if (!isSupported)
{
ReportAutoDisable();
}
return isSupported;
}
public virtual void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (!CheckResources())
{
Graphics.Blit(source, destination);
return;
}
overlayMaterial.SetFloat("_Intensity", intensity);
overlayMaterial.SetTexture("_Overlay", texture);
Graphics.Blit(source, destination, overlayMaterial, (int)blendMode);
}
public override void Main()
{
}
}