unity Shader新增

Unity C++脚本/shader/Scripts/MobileFog.cs

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+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.Universal;
+
+[System.Serializable, VolumeComponentMenu("Post-processing/Mobile Fog")]
+public class MobileFog : VolumeComponent, IPostProcessComponent
+{
+    [Header("深度雾设置")]
+    [Tooltip("深度雾密度")]
+    public ClampedFloatParameter fogDensity = new ClampedFloatParameter(0f, 0f, 1f);
+    
+    [Tooltip("深度雾开始距离")]
+    public FloatParameter fogStart = new FloatParameter(0f);
+    
+    [Tooltip("深度雾结束距离")]
+    public FloatParameter fogEnd = new FloatParameter(100f);
+    
+    [Header("高度雾设置")]
+    [Tooltip("高度雾密度")]
+    public ClampedFloatParameter heightFogDensity = new ClampedFloatParameter(0f, 0f, 1f);
+    
+    [Tooltip("高度雾基础高度")]
+    public FloatParameter heightFogBase = new FloatParameter(0f);
+    
+    [Tooltip("高度雾影响范围")]
+    public FloatParameter heightFogRange = new FloatParameter(50f);
+    
+    [Header("噪波设置")]
+    [Tooltip("噪波缩放")]
+    public FloatParameter noiseScale = new FloatParameter(0.01f);
+    
+    [Tooltip("噪波强度")]
+    public ClampedFloatParameter noiseIntensity = new ClampedFloatParameter(5f, 0f, 20f);
+    
+    [Tooltip("噪波动画速度")]
+    public FloatParameter noiseSpeed = new FloatParameter(0.1f);
+    
+    [Header("雾效外观")]
+    [Tooltip("是否启用渐变色")]
+    public BoolParameter useGradientColor = new BoolParameter(false);
+    
+    [Tooltip("雾的固定颜色（不使用渐变时）")]
+    public ColorParameter fogColor = new ColorParameter(Color.gray);
+    
+    [Tooltip("近处雾的颜色")]
+    public ColorParameter fogColorNear = new ColorParameter(new Color(0.8f, 0.9f, 1f, 1f)); // 偏蓝的近景色
+    
+    [Tooltip("远处雾的颜色")]
+    public ColorParameter fogColorFar = new ColorParameter(new Color(0.6f, 0.7f, 0.9f, 1f)); // 偏紫的远景色
+    
+    [Tooltip("渐变过渡距离")]
+    public FloatParameter gradientDistance = new FloatParameter(100f);
+    
+    [Tooltip("雾效强度")]
+    public ClampedFloatParameter intensity = new ClampedFloatParameter(1f, 0f, 1f);
+    
+    [Header("移动端优化")]
+    [Tooltip("使用快速模式（降低质量提升性能）")]
+    public BoolParameter useFastMode = new BoolParameter(true);
+    
+    public bool IsActive() => (fogDensity.value > 0f || heightFogDensity.value > 0f) && intensity.value > 0f;
+    public bool IsTileCompatible() => false;
+}