{"id":189,"date":"2020-10-14T00:13:20","date_gmt":"2020-10-13T16:13:20","guid":{"rendered":"https:\/\/meecarlo.wordpress.com\/?p=189"},"modified":"2021-04-01T00:23:19","modified_gmt":"2021-03-31T16:23:19","slug":"shader%e5%85%a5%e9%97%a8-5-%e9%a1%b6%e7%82%b9%e5%8a%a8%e7%94%bb%e4%b8%8euv%e5%8a%a8%e7%94%bb","status":"publish","type":"post","link":"https:\/\/meecarlo.com\/old\/2020\/10\/14\/shader%e5%85%a5%e9%97%a8-5-%e9%a1%b6%e7%82%b9%e5%8a%a8%e7%94%bb%e4%b8%8euv%e5%8a%a8%e7%94%bb\/","title":{"rendered":"Shader\u5165\u95e8\u20145.\u9876\u70b9\u52a8\u753b\u4e0eUV\u52a8\u753b"},"content":{"rendered":"\n

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<pre class=\"wp-block-syntaxhighlighter-code\">Shader \"Custom\/VertexAnimationShader\"\n{\n    Properties\n    {\n        _Color (\"Color\", Color) = (1,1,1,1)\n        _MainTex (\"Main Tex\", 2D) = \"white\" {}\n        \n    }\n    SubShader\n    {\n        Pass{\n            CGPROGRAM\n            #pragma vertex vert \n            #pragma fragment frag \n            #include \"UnityCG.cginc\"\n            sampler2D _MainTex;\n            float4 _MainTex_St;\n            \n            struct a2v {\n                float4 vertex:POSITION;\n                float2 texcoord:TEXCOORD0;\n            };\n            \n            struct v2f {\n                float4 pos:SV_POSITION;\n                float2 uv:TEXCOORD0;\n            };\n           \n           \n            v2f vert(a2v v){\n                v2f o;\n                o.pos=UnityViewToClipPos(v.vertex);\n                o.uv=v.texcoord;\n                return o;\n                \n            }\n          \n          \n            fixed4 frag(v2f i):SV_TARGET{\n                return tex2D(_MainTex,i.uv);\n            }\n            ENDCG\n        }\n        \n    }\n    FallBack \"Diffuse\"\n}<\/pre><\/code><\/pre>\n\n\n\n
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\"\"
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\"\"
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dis=distance(v.vertex.xyz,float3(0,0,0));\nh=sin(dis*_Frequence+_Time.z)*_Magnitude<\/code><\/pre>\n\n\n\n
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\nShader "Custom\/VertexAnimationShader"\n{\n    Properties\n    {\n        _Color ("Color", Color) = (1,1,1,1)\n        _MainTex ("Main Tex", 2D) = "white" {}\n        _Frequence("Frequence",Range(0,8))=2\n        _Magnitude("Magnitude",Range(0,8))=0.1\n        \n    }\n    SubShader\n    {\n        Tags{"RenderType"="Qpaque"}\n        Pass{\n            CGPROGRAM\n            #pragma vertex vert \n            #pragma fragment frag \n            #include "UnityCG.cginc"\n            sampler2D _MainTex;\n            float4 _MainTex_ST;\n            float _Frequence;\n            float _Magnitude;\n            \n            struct a2v {\n                float4 vertex:POSITION;\n                float2 texcoord:TEXCOORD0;\n            };\n            \n            struct v2f {\n                float4 pos:SV_POSITION;\n                float2 uv:TEXCOORD0;\n            };\n           \n           \n            v2f vert(a2v v){\n                v2f o;\n                float dis=distance(v.vertex.xyz,float3(0,0,0));\n                float h=sin(dis*_Frequence+_Time.z)*_Magnitude;\n                o.pos=mul(unity_ObjectToWorld,v.vertex);\n                o.pos.y=h;\n                o.pos=mul(unity_WorldToObject,o.pos);\n                o.pos=UnityObjectToClipPos(o.pos);\n               \n               \n                o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);\n            \n                return o;\n                \n            }\n          \n          \n            fixed4 frag(v2f i):SV_TARGET{\n                \n                fixed4 col=tex2D(_MainTex,i.uv);\n                return col;\n            }\n            ENDCG\n        }\n        \n    }\n    FallBack "Diffuse"\n}\n\n<\/pre>\n\n\n
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float2 offset=float2(0,0);
offset.x=_Time.y*_Speed;
offset.y=_Time.y*_Speed;
fixed4 tex=tex2D(_MovingTex,i.uv+offset);<\/code><\/pre>\n\n\n
\nShader "Custom\/VertexAnimationShader"\n{\n    Properties\n    {\n        _Color ("Color", Color) = (1,1,1,1)\n        _MainTex ("Main Tex", 2D) = "white" {}\n        _SubTex("Sub Tex"2D)="white"{}\n        _Speed("Speed",Range(0,8))=2\n        \n    }\n    SubShader\n    {\n        Tags{"RenderType"="Qpaque"}\n        Pass{\n            CGPROGRAM\n            #pragma vertex vert \n            #pragma fragment frag \n            #include "UnityCG.cginc"\n            sampler2D _MainTex;\n            sampler2D _SubTex;\n            float4 _SubTex_ST;\n            float4 _MainTex_ST;\n            float _Speed;\n            \n            struct a2v {\n                float4 vertex:POSITION;\n                float2 texcoord:TEXCOORD0;\n            };\n            \n            struct v2f {\n                float4 pos:SV_POSITION;\n                float2 uv:TEXCOORD0;\n            };\n           \n           \n            v2f vert(a2v v){\n                v2f o;\n                o.pos=UnityObjectToClipPos(o.pos);\n               \n               \n                o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);\n            \n                return o;\n                \n            }\n          \n          \n            fixed4 frag(v2f i):SV_TARGET{\n                float2 offset=float2 (0,0);\n                offset.x=_Time.y*_Speed;\n                offset.y=_Time.y*_Speed;\n                fixed4 lightcol=tex2D(_SubTex\uff0ci.uv+offset)\uff1b\n                \n                fixed4 col=tex2D(_MainTex,i.uv);\n                return col+lightcol ;\n            }\n            ENDCG\n        }\n        \n    }\n    FallBack "Diffuse"\n}\n\n<\/pre>\n\n\n
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\u8349\u7684UV\u6270\u52a8\u52a8\u753b<\/p>\n\n\n
\nShader "Custom\/GrassVertexAni"\n{\n    Properties\n    {\n        _MainTex ("Texture", 2D) = "white" {}\n        _Noise("Noise", 2D) = "black" {}\n        _WindControl("WindControl(x:XSpeed y:YSpeed z:ZSpeed w:windMagnitude)",vector) = (1,0,1,0.5)\n        \/\/\u524d\u9762\u51e0\u4e2a\u5206\u91cf\u8868\u793a\u5728\u5404\u4e2a\u8f74\u5411\u4e0a\u81ea\u8eab\u6446\u52a8\u7684\u901f\u5ea6, w\u8868\u793a\u6446\u52a8\u7684\u5f3a\u5ea6\n        _WaveControl("WaveControl(x:XSpeed y:YSpeed z:ZSpeed w:worldSize)",vector) = (1,0,1,1)\n        \/\/\u524d\u9762\u51e0\u4e2a\u5206\u91cf\u8868\u793a\u5728\u5404\u4e2a\u8f74\u5411\u4e0a\u98ce\u6d6a\u7684\u901f\u5ea6, w\u7528\u6765\u6a21\u62df\u5730\u56fe\u7684\u5927\u5c0f,\u503c\u8d8a\u5c0f\u8349\u6446\u52a8\u7684\u8d8a\u51cc\u4e71\uff0c\u8d8a\u5927\u6446\u52a8\u7684\u8d8a\u6574\u4f53\n    }\n    SubShader\n    {\n        Tags { "Queue" = "Transparent"}\n        \n        \n\n        Pass\n        {\n            \/\/Tags{"LightMode"="ForwardBase"}\n            \/\/ZWrite Off\n            Blend SrcAlpha OneMinusSrcAlpha\n            CGPROGRAM\n            \n            #pragma vertex vert\n            #pragma fragment frag\n            #pragma multi_compile_instancing\n\n            #include "UnityCG.cginc"\n\n            struct appdata\n            {\n                float4 vertex : POSITION;\n                float2 uv : TEXCOORD0;\n                UNITY_VERTEX_INPUT_INSTANCE_ID\n            };\n\n            struct v2f\n            {\n                float2 uv : TEXCOORD0;\n                float4 pos : SV_POSITION;\n                \/\/float3 tempCol : TEXCOORD1;\/\/\u7528\u6765\u6d4b\u8bd5\u4f20\u9012noise\u8d34\u56fe\u91c7\u6837\u7684\u7ed3\u679c\n            };\n\n            sampler2D _MainTex;\n            sampler2D _Noise;\n            half4 _WindControl;\n            half4 _WaveControl;\n\n            v2f vert (appdata v)\n            {\n                v2f o;\n                UNITY_SETUP_INSTANCE_ID(v);\n                float4 worldPos = mul(unity_ObjectToWorld, v.vertex);\n                float2 samplePos = worldPos.xz \/ _WaveControl.w;\n                samplePos += _Time.x * -_WaveControl.xz;\n                fixed waveSample = tex2Dlod(_Noise, float4(samplePos, 0, 0)).r;\n                worldPos.x += sin(waveSample * _WindControl.x) * _WaveControl.x * _WindControl.w * v.uv.y;\n                worldPos.z += sin(waveSample * _WindControl.z) * _WaveControl.z * _WindControl.w * v.uv.y;\n                o.pos = mul(UNITY_MATRIX_VP, worldPos);\n                o.uv = v.uv;\n                \/\/o.tempCol = waveSample;\n\n                return o;\n            }\n\n            fixed4 frag (v2f i) : SV_Target\n            {\n                fixed4 col = tex2D(_MainTex, i.uv);\n                \/\/return fixed4(frac(i.tempCol.x), 0, 0, 1);\n                return col;\n            }\n            ENDCG\n        }\n    }\n}\n<\/pre>","protected":false},"excerpt":{"rendered":"
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