shader 反射 水面_【Unity Shader实例】水体WaterEffect(四)水的反射

Shader "Hidden/MirrorReflect"

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Properties

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_MainTex ("Texture", 2D) = "white" ｛｝

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SubShader

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// No culling or depth

// Cull Off ZWrite Off ZTest Always

Pass

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CGPROGRAM

#pragma vertex vert

#pragma fragment frag

#include "UnityCG.cginc"

struct appdata

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float4 vertex : POSITION;

float2 uv : TEXCOORD0;

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struct v2f

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float2 uv : TEXCOORD0;

float4 vertex : SV_POSITION;

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v2f vert (appdata v)

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v2f o;

o.vertex = UnityObjectToClipPos(v.vertex);

o.uv = v.uv;

// 镜子里反射的图像和现实中是左右颠倒的

o.uv.x = 1- o.uv.x;

return o;

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sampler2D _MainTex;

fixed4 frag (v2f i) : SV_Target

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fixed4 col = tex2D(_MainTex, i.uv);

return col;

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ENDCG

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