普通的摇晃.ver

Shader "Custom/sd_Water3"
{Properties{_WaterColor("Water Color 水体染色", Color) = (1,1,1,1)_Alpha("Alpha", Range(0,1)) = 0.5_MainTex ("Albedo (RGB) 水面贴图", 2D) = "white" {}_WaveDen("Density of Waves 水波频率",Range(0,1.4)) = 0.8_WaveIts("Intensity of Waves 水波强度",Range(-1, 1)) = 1_WaveSpeed("Speed of Waves", Range(0.1, 80)) = 10}SubShader{Tags { "RenderType"="Transparent""IgnoreProject" = "True""Queue" = "Transparent"}LOD 200Blend SrcAlpha OneMinusSrcAlphaCGPROGRAM#pragma surface surf Standard vertex:vert alpha:fade fragment frag#pragma target 3.0sampler2D _MainTex;sampler2D _CameraDepthTexture;//内置变量struct Input{float2 uv_MainTex;};fixed4 _WaterColor;fixed _WaveDen, _WaveIts, _WaveSpeed, _Alpha;UNITY_INSTANCING_BUFFER_START(Props)UNITY_INSTANCING_BUFFER_END(Props)void surf (Input IN, inout SurfaceOutputStandard o){fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _WaterColor;o.Albedo = c.rgb;o.Alpha = _Alpha;}void vert(inout appdata_full v, out Input o){UNITY_INITIALIZE_OUTPUT(Input,o);            float time = _WaveSpeed * _Time;float waveValue = sin(time + v.vertex.x * _WaveDen) * _WaveIts;//偏移量v.vertex.xyz = float3(v.vertex.x, v.vertex.y + waveValue, v.vertex.z);}ENDCG}FallBack "Diffuse"
}

波纹+扰动+Alpha.ver

Shader "HomeworkShader/Water"
{Properties{_MainTint("Tint",Color) = (1,1,1,1)_MainTex ("水纹贴图", 2D) = "white" {}_WaterAlpha("水不透明度",Range(0,1)) = 0.5_ScrollSpeed("贴图滚动速度", Range(0,10)) = 2_NoiseTex("水波噪声贴图",2D) = "white"{}_Amount("噪声影响因子", Range(0,2)) = 1_Frequency("水波频率",Range(0,1.4)) = 0.8_WaveSpeed("水波速度",Range(0.1, 80)) = 10_Amplitude("水波振幅", Range(-1, 1)) = 1_CWaveVal("水环振幅", Range(.01, 20)) = 1}SubShader{Tags { "Queue" = "Transparent""RenderType"="Transparent" }LOD 200CGPROGRAM// Physically based Standard lighting model, and enable shadows on all light types#pragma surface surf Standard alpha:fade #pragma vertex vert#pragma target 4.0struct Input{float2 uv_MainTex;float2 uv_StoneTex;float2 uv_NoiseTex;};fixed4 _MainTint;fixed _ScrollSpeed;sampler2D _MainTex;sampler2D _NoiseTex;fixed _WaterAlpha;fixed _Amount;fixed _Frequency;fixed _WaveSpeed;fixed _Amplitude;float _CWaveVal;UNITY_INSTANCING_BUFFER_START(Props)UNITY_INSTANCING_BUFFER_END(Props)void surf (Input IN, inout SurfaceOutputStandard o){//引入贴图fixed2 scrolledUV = IN.uv_MainTex;fixed2 noiseTex = IN.uv_NoiseTex;//流动fixed ScrollValue = _ScrollSpeed * _Time;//非交替定向流动half4 n = tex2D (_NoiseTex,noiseTex) * _Amount;//噪声因子scrolledUV += fixed2(ScrollValue + n.x, ScrollValue + n.y);//x，y方向各自偏移量//圆环旋转float2 center = (0.5, 0.5);//若要中点，注意与平铺值的一半对应；此处平铺为1,1float2 dt = IN.uv_MainTex - center;float len = length(dt);//偏移量float intensity = sin(_SinTime.x * 3) * _CWaveVal;//旋转强度因子float off = len * intensity;//对应uv旋转量float2x2 rot = float2x2(cos(off), -sin(off), sin(off), cos(off));//二维空间旋转矩阵dt = mul(rot, dt) + center;//乘旋转矩阵，加上需要偏移中心的量half4 c = tex2D(_MainTex, dt + scrolledUV);//uv偏移（圆环与流动）//赋值输出o.Albedo = c.rgb * _MainTint;o.Alpha = _WaterAlpha;}void vert(inout appdata_full v, out Input o){UNITY_INITIALIZE_OUTPUT(Input,o);float time = _WaveSpeed * _Time;float waveValue = sin(time + v.vertex.x * _Frequency) * _Amplitude;//偏移量v.vertex.xyz = float3(v.vertex.x, v.vertex.y + waveValue, v.vertex.z);//在y轴附加偏移量}ENDCG}FallBack "Diffuse"
}

平静的波光粼粼 + 混合纹理.ver

其实这一part的混合纹理用的不是很好，水面的高光部分完全可以用白色（颜色）替代。

Shader "Custom/sd_WaterBubble"
{Properties{_RChannelTint("RChannel Tint", Color) = (1,1,1,1)_BlendTex("Blend Channel混合指示图", 2D) = "white"{}_RTex("Red Channel",2D) = ""{}_GTex("Green Channel", 2D) = ""{}_BTex("Blue Channel", 2D) = ""{}_ATex("Alpha Channel",2D) = ""{}_NoiseMap("Noise Map",2D) = ""{}_Alpha("Alpha", Range(0,1)) = 0.5}SubShader{Tags { "RenderType"="Transparent""Queue" = "Transparent""IgnoreProjector" = "True" }LOD 200CGPROGRAM#pragma surface surf Standard alpha:fade#pragma target 4.0sampler2D _BlendTex;sampler2D _RTex;sampler2D _GTex;sampler2D _BTex;sampler2D _ATex;sampler2D _NoiseMap;struct Input{fixed2 uv_BlendTex;fixed2 uv_RTex;fixed2 uv_GTex;fixed2 uv_BTex;fixed2 uv_ATex;fixed2 uv_NoiseMap;};fixed _Alpha;fixed4 _RChannelTint;UNITY_INSTANCING_BUFFER_START(Props)UNITY_INSTANCING_BUFFER_END(Props)void surf (Input IN, inout SurfaceOutputStandard o){fixed2 noiseTex = IN.uv_NoiseMap;fixed ScrollUV = _Time * 3;half4 n = tex2D(_NoiseMap, noiseTex) * 2;ScrollUV += fixed2(ScrollUV + n.x, ScrollUV + n.y);fixed4 blendData = tex2D(_BlendTex, IN.uv_BlendTex + ScrollUV);fixed4 rTex = tex2D(_RTex, IN.uv_RTex);fixed4 gTex = tex2D(_GTex, IN.uv_GTex);fixed4 bTex = tex2D(_BTex, IN.uv_BTex);fixed4 aTex = tex2D(_ATex, IN.uv_ATex) * _RChannelTint;float4 finalColor;finalColor = lerp(rTex, gTex, blendData.g);finalColor = lerp(finalColor, bTex, blendData.b);finalColor = lerp(finalColor, aTex, blendData.a);finalColor = saturate(finalColor);o.Albedo = finalColor.rgb;o.Alpha = _Alpha;}ENDCG}FallBack "Diffuse"
}

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Shader攻占笔记（一）水体

水

普通的摇晃.ver

波纹+扰动+Alpha.ver

平静的波光粼粼 + 混合纹理.ver

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