{"id":1906,"date":"2016-11-21T04:03:20","date_gmt":"2016-11-21T04:03:20","guid":{"rendered":"http:\/\/blog.zhukunqian.com\/?p=1906"},"modified":"2016-11-21T04:47:45","modified_gmt":"2016-11-21T04:47:45","slug":"%e8%87%aa%e5%b7%b1%e5%ad%a6%e4%b9%a0%e5%86%99%e7%9a%84%e7%ac%ac%e4%b8%80%e4%b8%aashader","status":"publish","type":"post","link":"https:\/\/blog.zhukunqian.com\/?p=1906","title":{"rendered":"\u81ea\u5df1\u5b66\u4e60\u5199\u7684\u7b2c\u4e00\u4e2ashader,\u753b\u4e2a\u5706"},"content":{"rendered":"<pre class=\"brush: bash; gutter: true\"><\/pre>\n<p>\u5b66\u4e60\u5230\u5982\u679c\u9700\u8981\u663e\u793a\u4e00\u4e2a\u5706\u578b\u7684\u56fe\u7247\uff0c\u9700\u8981\u81ea\u5df1\u6765\u5199shader\uff0c\u8fd9\u91cc\u662f\u6211\u5b66\u4e60\u5199\u7684\u7b2c\u4e00\u4e2ashader\u3002<\/p>\n<p>\u4ee5\u540e\u4f1a\u8fb9\u5b66\u4e60\u8fb9\u5c06\u5199\u7684shader\u8bb0\u5f55\u4e0b\u6765\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u65ad\u8865\u5145\u81ea\u5df1\u5b66\u4e60\u80fd\u529b\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">Shader &quot;Custom\/Circle2&quot; {\r\n\tProperties{\r\n\t\t_Color(&quot;Color&quot;, Color) = (1,0,0,0)\r\n\t}\r\n\tSubShader{\r\n \r\n\t\tTags{ &quot;Queue&quot; = &quot;Transparent&quot; &quot;RenderType&quot; = &quot;Transparent&quot; &quot;IgnoreProjector&quot; = &quot;True&quot; }\r\n\t\tPass{\r\n\t\t\tZWrite Off\r\n\t\t\tBlend SrcAlpha OneMinusSrcAlpha\r\n\r\n\t\t\tCGPROGRAM\r\n\r\n\t\t\t#pragma vertex vert\r\n\t\t\t#pragma fragment frag\r\n\t\t\t#include &quot;UnityCG.cginc&quot;\r\n\r\n\t\t\tfixed4 _Color; \/\/ low precision type is usually enough for colors\r\n\r\n\t\t\tstruct fragmentInput {\r\n\t\t\t\tfloat4 pos : SV_POSITION;\r\n\t\t\t\tfloat2 uv : TEXCOORD0;\r\n\t\t\t};\r\n\r\n\t\t\tfragmentInput vert(appdata_base v)\r\n\t\t\t{\r\n\t\t\t\tfragmentInput o;\r\n\r\n\t\t\t\to.pos = mul(UNITY_MATRIX_MVP, v.vertex);\r\n\t\t\t\to.uv = v.texcoord.xy - fixed2(0.5,0.5);\r\n \r\n\t\t\t\treturn o;\r\n\t\t\t}\r\n\r\n\t\t\tfixed4 frag(fragmentInput i) : SV_Target{\r\n\t\t\t\tfloat distance = sqrt(pow(i.uv.x, 2) + pow(i.uv.y,2));\r\n\t\t\r\n\t\t\t\tif (distance &gt; 0.5f) {\r\n\t\t\t\t\tif (distance &lt; 0.51f) {\r\n\t\t\t\t\t\treturn fixed4(_Color.r* distance, _Color.g* distance, _Color.b* distance, 0.6f);\r\n\t\t\t\t\t}\r\n\t\t\t\t\telse {\r\n\t\t\t\t\t\treturn fixed4(0, 0, 0, 0);\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t\telse {\r\n\t\t\t\t\treturn fixed4(_Color.r * distance, _Color.g * distance, _Color.b * distance,1);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\tENDCG\r\n\t\t}\r\n\t}\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u5230\u5982\u679c\u9700\u8981\u663e\u793a\u4e00\u4e2a\u5706\u578b\u7684\u56fe\u7247\uff0c\u9700\u8981\u81ea\u5df1\u6765\u5199shader\uff0c\u8fd9\u91cc\u662f\u6211\u5b66\u4e60\u5199\u7684\u7b2c\u4e00 &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/blog.zhukunqian.com\/?p=1906\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/1906"}],"collection":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1906"}],"version-history":[{"count":3,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/1906\/revisions"}],"predecessor-version":[{"id":1909,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/1906\/revisions\/1909"}],"wp:attachment":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}