{"id":2645,"date":"2022-01-23T13:21:51","date_gmt":"2022-01-23T05:21:51","guid":{"rendered":"http:\/\/www.u3d8.com\/?p=2645"},"modified":"2022-01-24T12:09:22","modified_gmt":"2022-01-24T04:09:22","slug":"shader%e7%ba%b9%e7%90%86%e6%98%a0%e5%b0%84","status":"publish","type":"post","link":"http:\/\/www.u3d8.com\/?p=2645","title":{"rendered":"Shader\u7eb9\u7406\u6620\u5c04"},"content":{"rendered":"\n

\u7eb9\u7406\u6620\u5c04\u5750\u6807\uff08UV\u5750\u6807\uff09<\/h2>\n\n\n\n

\u5b9a\u4e49\u4e86\u8be5\u5b9a\u70b9\u5728\u7eb9\u7406\u4e2d\u5bf9\u5e94\u76842D\u5750\u6807\u3002\u901a\u5e38\u7528\u4e00\u4e2a\u4e8c\u7ef4\u53d8\u91cf(u, v)\u8868\u793a\uff0cu\u4e3a\u6a2a\u5750\u6807\uff0cv\u4e3a\u7eb5\u5750\u6807\uff0c\u5750\u6807\u539f\u70b9\u5728\u5de6\u4e0b\u89d2\u3002uv\u503c\u4e3a0~1<\/p>\n\n\n\n

\u6548\u679c<\/h2>\n\n\n\n
\"Shader\u7eb9\u7406\u6620\u5c04<\/a><\/figure>\n\n\n\n

\u4ee3\u7801<\/h2>\n\n\n\n
Shader \"WCC\/Texture\"\r\n{\r\n    Properties\r\n    {\r\n        \/\/\u4e3b\u989c\u8272\r\n        _Color(\"Main Color\", Color) = (1,1,1,1)\r\n        \/\/\u7eb9\u7406\u8d34\u56fe\r\n        _MainTex(\"Main Tex\", 2D) = \"white\"{}\r\n        \/\/\u9ad8\u5149\u989c\u8272\r\n        _Specular(\"Specular Color\", Color) = (1,1,1,1)\r\n        \/\/\u9ad8\u5149\u533a\u57df\u5927\u5c0f\r\n        _Gloss(\"Gloss\", Range(10, 200)) = 20\r\n    }\r\n    SubShader\r\n    {\r\n        Pass\r\n        {\r\n            \/\/\u6307\u5b9a\u901a\u9053\u662f\u524d\u5411\u6e32\u67d3\u7ba1\u7ebf\u4e2d\r\n            Tags{\"LightingMode\" = \"ForwardBase\"}\r\n            CGPROGRAM\r\n            \/\/\u5f15\u5165\u5e73\u578b\u5173\u76f8\u5173\u5e93            \r\n            #include \"Lighting.cginc\"\r\n            #pragma vertex vert\r\n            #pragma fragment frag\r\n \r\n            fixed4 _Color;\r\n            sampler2D _MainTex;\r\n            \/\/\u7eb9\u7406UV\u540d\u5b57\u56fa\u5b9a\u683c\u5f0f \u540e\u7f00\u52a0_ST\r\n            float4 _MainTex_ST;\r\n            fixed4 _Specular;\r\n            half _Gloss;\r\n \r\n            struct a2v\r\n            {\r\n                \/\/\u83b7\u53d6\u9876\u70b9\u5750\u6807\r\n                float4 vertex : POSITION;\r\n                \/\/\u83b7\u53d6\u6cd5\u7ebf\r\n                float3 normal : NORMAL;\r\n                \/\/\u83b7\u53d6\u7eb9\u7406UV\r\n                float4 texcoord : TEXCOORD0;\r\n            };\r\n            struct v2f\r\n            {\r\n                float4 position : SV_POSITION;\r\n                \/\/\u4e16\u754c\u7a7a\u95f4\u4e0b\u9876\u70b9\u5750\u6807\r\n                float4 worldVertex : TEXCOORD0;\r\n                \/\/\u4e16\u754c\u7a7a\u95f4\u4e0b\u6cd5\u7ebf\r\n                float3 worldNormal : TEXCOORD1;\r\n                \/\/\u7eb9\u7406\u5750\u6807\r\n                float2 uv : TEXCOORD2;\r\n            };\r\n \r\n            v2f vert(a2v v)\r\n            {\r\n                v2f f;\r\n                f.position = UnityObjectToClipPos(v.vertex);\r\n                \/\/\u9876\u70b9\u5750\u6807\u7531\u6a21\u578b\u7a7a\u95f4\u8f6c\u4e16\u754c\u7a7a\u95f4\r\n                f.worldVertex = mul(unity_ObjectToWorld, v.vertex);\r\n                \/\/\u6cd5\u7ebf\u7531\u6a21\u578b\u7a7a\u95f4\u8f6c\u4e16\u754c\u7a7a\u95f4\r\n                f.worldNormal = UnityObjectToWorldNormal(v.normal);\r\n                \/\/\u83b7\u53d6\u7eb9\u7406UV\uff0c\u6dfb\u52a0Tiling\u3001Offset\u7b97\u6cd5\r\n                f.uv = v.texcoord * _MainTex_ST.xy + _MainTex_ST.zw;\r\n                \/\/\u540c\u4e0b Unity\u5185\u7f6e\u51fd\u6570\r\n                \/\/ f.uv = TRANSFORM_TEX(v.texcoord, _MainTex);\r\n                return f;\r\n            }\r\n            fixed4 frag(v2f f) : SV_Target\r\n            {\r\n                \/\/\u6cd5\u7ebf\uff08\u5355\u4f4d\u5411\u91cf\uff09\r\n                fixed3 normalDir = normalize(f.worldNormal);\r\n                \/\/\u83b7\u53d6\u4e16\u754c\u7a7a\u95f4\u9876\u70b9\u4f4d\u7f6e\u7684\u5149\u7167\u65b9\u5411\uff08\u5355\u4f4d\u5411\u91cf\uff09\r\n                \/\/\u56e0\u4e3a\u662f\u5e73\u884c\u5149\uff0c\u6240\u4ee5\u5bf9\u4e8e\u6bcf\u4e2a\u9876\u70b9\u6765\u8bf4\uff0c\u5149\u7684\u4f4d\u7f6e\u5c31\u662f\u5149\u7684\u65b9\u5411\r\n                fixed3 lightDir = normalize(_WorldSpaceLightPos0.xyz);\r\n                \/\/ fixed3 lightDir = normalize(UnityWorldSpaceLightDir(f.worldVertex));\r\n                \/\/\u83b7\u53d6\u6bcfUV\u5bf9\u5e94\u7684\u7eb9\u7406\u989c\u8272\r\n                fixed3 texColor = tex2D(_MainTex, f.uv) * _Color.rgb;\r\n                \/\/\u534a\u5170\u4f2f\u7279\u6f2b\u53cd\u5c04\r\n                fixed3 diffuse = _LightColor0.rgb * (dot(normalDir, lightDir) * 0.5 + 0.5) * texColor;\r\n                \/\/\u83b7\u53d6\u4e16\u754c\u7a7a\u95f4\u9876\u70b9\u4f4d\u7f6e\u7684\u89c6\u89d2\u65b9\u5411\uff08\u5355\u4f4d\u5411\u91cf\uff09\r\n                fixed3 viewDir = normalize(UnityWorldSpaceViewDir(f.worldVertex));\r\n                \/\/\u5e73\u884c\u5149\u65b9\u5411\u4e0e\u89c6\u91ce\u65b9\u5411\u7684\u5e73\u5206\u7ebf\r\n                fixed3 halfDir = normalize(lightDir + viewDir);\r\n                \/\/\u8ba1\u7b97\u9ad8\u5149\u53cd\u5c04\uff08BlinnPhong\u5149\u7167\u6a21\u578b\uff09\r\n                \/\/BlinnPhong\u5149\u7167\u6a21\u578b\uff1aSpecular=\u5e73\u884c\u5149 * pow( max(cos\u03b8,0),10)  \u03b8\u662f\u6cd5\u7ebf\u548cx\u7684\u5939\u89d2  x\u662f\u5e73\u884c\u5149\u548c\u89c6\u91ce\u65b9\u5411\u7684\u5e73\u5206\u7ebf\r\n                fixed3 specular = _LightColor0.rgb * pow(max(dot(normalDir, halfDir), 0), _Gloss) * _Specular.rgb;\r\n                \/\/\u8fd9\u91cc\u5c06\u73af\u5883\u5149\u4e5f*texColor \u662f\u4e3a\u4e86\u73af\u5883\u5149\u7684\u503c\u548ctexColor\u989c\u8272\u878d\u5408\uff0c\u5c31\u80fd\u8ba9texColor\u4e5f\u53d8\u5f97\u4eae\r\n                fixed3 color = diffuse + specular + UNITY_LIGHTMODEL_AMBIENT.rgb * texColor;\r\n                return fixed4(color, 1);\r\n            }\r\n            ENDCG\r\n        }\r\n    }\r\n    FallBack \"Standard\"\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u7eb9\u7406\u6620\u5c04\u5750\u6807\uff08UV\u5750\u6807\uff09 \u5b9a\u4e49\u4e86\u8be5\u5b9a\u70b9\u5728\u7eb9\u7406\u4e2d\u5bf9\u5e94\u76842D\u5750\u6807\u3002\u901a\u5e38\u7528\u4e00\u4e2a\u4e8c\u7ef4\u53d8\u91cf … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[419],"tags":[],"_links":{"self":[{"href":"http:\/\/www.u3d8.com\/index.php?rest_route=\/wp\/v2\/posts\/2645"}],"collection":[{"href":"http:\/\/www.u3d8.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.u3d8.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.u3d8.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.u3d8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2645"}],"version-history":[{"count":6,"href":"http:\/\/www.u3d8.com\/index.php?rest_route=\/wp\/v2\/posts\/2645\/revisions"}],"predecessor-version":[{"id":2668,"href":"http:\/\/www.u3d8.com\/index.php?rest_route=\/wp\/v2\/posts\/2645\/revisions\/2668"}],"wp:attachment":[{"href":"http:\/\/www.u3d8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.u3d8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2645"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.u3d8.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}