Shader "QQ/Water_Depth_Wave" {Properties {        _WaterColor("海水颜色",Color) = (0,.25,.4,1)_FarColor("海面颜色",Color)=(.2,1,1,.3)[NoScaleOffset]_BumpMap("法线贴图", 2D) = "white" {}_BumpPower("法线强度",Range(-1,1))=.6_EdgeColor("边缘颜色",Color)=(0,1,1,0)[NoScaleOffset]_WaveTex("海浪贴图",2D)="white" {}_WaveSpeed("海浪速度",Range(0,10))=4[NoScaleOffset]_EdgeTex("边缘贴图",2D)="white" {}_EdgeRange("边缘融合",Range(0.1,1))=.4_WaveSize("贴图尺寸",Range(0.01,1))=.25_WaveOffset("xy,zw为偏移",vector)=(.1,.2,-.2,-.1)_LightColor("灯光颜色",Color)=(1,1,1,1)_LightVector("xyz为灯光角度,w为衰减",vector)=(.5,.5,.5,100)}SubShader{Tags{ "RenderType" = "Opaque" "Queue" = "Transparent"}Blend SrcAlpha OneMinusSrcAlphaLOD 200Pass{CGPROGRAM#pragma vertex vert#pragma fragment frag#pragma multi_compile_fog#pragma multi_compile DEPTH_OFF DEPTH_ON#pragma target 3.0#include "UnityCG.cginc"fixed4 _WaterColor;fixed4 _FarColor;fixed4 _LightColor;sampler2D _BumpMap;float _WaveSize;float4 _WaveOffset;float4 _LightVector;float _BumpPower;#ifdef DEPTH_ONfixed4 _EdgeColor;sampler2D _WaveTex;float _WaveSpeed;sampler2D _EdgeTex;float _EdgeRange;sampler2D_float _CameraDepthTexture;#endifstruct a2v {float4 vertex:POSITION;half3 normal : NORMAL;};struct v2f{float4 pos : POSITION;UNITY_FOG_COORDS(0)half3 normal:TEXCOORD1;float4 screenPos:TEXCOORD2;fixed3 viewDir:TEXCOORD3;fixed2 uv[2] : TEXCOORD4;};v2f vert(a2v v){v2f o;o.pos = mul(UNITY_MATRIX_MVP, v.vertex);float4 wPos=mul(unity_ObjectToWorld,v.vertex);o.uv[0]=wPos.xz*_WaveSize+_WaveOffset.xy*_Time.y;o.uv[1]=wPos.xz*_WaveSize+_WaveOffset.zw*_Time.y;o.normal=UnityObjectToWorldNormal(v.normal);o.viewDir= WorldSpaceViewDir(v.vertex);o.screenPos = ComputeScreenPos(o.pos);COMPUTE_EYEDEPTH(o.screenPos.z);return o;}fixed4 frag(v2f i):COLOR {fixed4 col=_WaterColor;half3 nor = UnpackNormal((tex2D(_BumpMap,i.uv[0])+tex2D(_BumpMap,i.uv[1]))*.5f);nor= normalize(i.normal + nor.xzy *half3(1,0,1)* _BumpPower);half spec =max(0,dot(nor,normalize(normalize(_LightVector.xyz)+normalize(i.viewDir))));spec = pow(spec,_LightVector.w);half fresnel=dot(nor,normalize(i.viewDir));fresnel=saturate(dot(nor*fresnel,normalize(i.viewDir)));#ifdef DEPTH_ONhalf depth = LinearEyeDepth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.screenPos)));depth=saturate((depth-i.screenPos.z)*_EdgeRange);fixed4 edge = (tex2D(_EdgeTex,i.uv[0])+tex2D(_EdgeTex,i.uv[1]));col =lerp(edge*_EdgeColor,col,depth);float time=_Time.x*_WaveSpeed;float wave=tex2D(_WaveTex,float2(time+depth,1)).a;col+=_EdgeColor*saturate(saturate(wave)-depth)*edge.a;#endifcol.rgb=lerp(col,_FarColor,_FarColor.a-fresnel);col.rgb+=_LightColor.rgb*spec*_LightColor.a;return col;}ENDCG}}FallBack OFF
}

摄像机脚本

using UnityEngine;[RequireComponent(typeof(Camera))]
public class WaterConfig : MonoBehaviour
{private Camera cam;[ContextMenu("Depth")]void Start(){if (!cam){cam = GetComponent<Camera>();}if (SystemInfo.SupportsRenderTextureFormat(RenderTextureFormat.Depth)){Shader.EnableKeyword("DEPTH_ON");Shader.DisableKeyword("DEPTH_OFF");if (cam)cam.depthTextureMode |= DepthTextureMode.Depth;}else{Shader.EnableKeyword("DEPTH_OFF");Shader.DisableKeyword("DEPTH_ON");}}
}