{"id":346,"date":"2014-09-04T18:16:14","date_gmt":"2014-09-04T10:16:14","guid":{"rendered":"http:\/\/www.xiaomingjia.com\/?p=346"},"modified":"2014-09-17T16:25:52","modified_gmt":"2014-09-17T08:25:52","slug":"cocos2d-%e6%b8%b8%e6%88%8f%e7%9a%84%e6%8f%8f%e8%be%b9%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"http:\/\/xiaomingjia.com\/?p=346","title":{"rendered":"cocos2d \u6e38\u620f\u7684\u63cf\u8fb9\u5b9e\u73b0"},"content":{"rendered":"

\"\"<\/a><\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u83b7\u5f97\u4e86NetEase\u516c\u53f8\u7684\u6280\u672f\u5206\u4eab\u4e09\u7b49\u5956\u54e6<\/p>\n

2D<\/span><\/strong>\u6e38\u620f\u7684\u63cf\u8fb9\u5b9e\u73b0<\/span><\/strong><\/p>\n

\u5bf9\u573a\u666f\u7269\u4f53\u7684\u8fdb\u884c\u63cf\u8fb9\u662f\u6e38\u620f\u5e38\u7528\u7684\u529f\u80fd\u3002\u57fa\u672c\u4e0a\u6709\u4e09\u79cd\u4f5c\u7528\uff1a<\/span><\/p>\n

    \n
  1. \n

    \u7a81\u51fa\u663e\u793a\u4e3b\u4f53\u3002\u6bd4\u5982\u70b9\u9009\u4eba\u7269\uff0cNPC\uff0c\u5efa\u7b51\u7b49\u65f6\u663e\u793a\u53d1\u5149\u7684\u5916\u8f6e\u5ed3\u3002<\/p>\n<\/li>\n

  2. \n

    \u9690\u85cf\u952f\u9f7f\u3002<\/p>\n<\/li>\n

  3. \n

    \u4e0e\u5361\u901a\u6e32\u67d3\u914d\u5408\u4f7f\u7528\u5b9e\u73b0\u5361\u901a\u98ce\u683c\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u540e\u9762\u4e24\u79cd\u4f5c\u7528\uff0c\u5bf9\u4e8e<\/span>3D<\/span>\u6e38\u620f\uff0c\u53ef\u4ee5\u901a\u8fc7<\/span>Silhouette edge<\/span>\u76f8\u5173\u7b97\u6cd5\u5b9e\u73b0\u3002\u6216\u8005\u901a\u8fc7\u5ef6\u6cd5\u7ebf\u62c9\u4f38<\/span>mesh<\/span>\u9876\u70b9\u4e0e\u539f\u59cb<\/span>mesh<\/span>\u505a<\/span>clip<\/span>\u4e5f\u80fd\u5f97\u5230\u5916\u8f6e\u5ed3\u3002\u5bf9\u4e8e<\/span>2d<\/span>\u6e38\u620f\uff0c\u7531\u4e8e\u6ca1\u6709\u6cd5\u7ebf\u6570\u636e\u53ef\u4ee5\u5229\u7528\uff0c\u53ea\u80fd\u901a\u8fc7\u79bb\u7ebf\u540e\u5904\u7406\u7684\u65b9\u5f0f\u8fdb\u884c\u3002\u4f46\u662f\u5bf9\u4e8e\u56fe\u50cf\u5904\u7406\u5e38\u7528\u7684\u8fb9\u7f18\u68c0\u6d4b\u7b97\u6cd5<\/span>(sobel<\/span>\u3001<\/span>canny)<\/span>\uff0c\u7531\u4e8e\u5f88\u96be\u5f97\u5230\u95ed\u5408\u7684\u6b63\u786e\u8f6e\u5ed3\u7ebf\uff0c\u9996\u5148\u6392\u9664\u3002\u53c2\u7167<\/span>3d<\/span>\u6e38\u620f\u7684\u505a\u6cd5\uff0c\u601d\u8def\u53ef\u4ee5\u662f\u8fd9\u6837\u7684\uff1a<\/span><\/p>\n

      \n
    1. \n

      \u901a\u8fc7\u540e\u5904\u7406\u5411\u5916\u56f4\u6269\u5927\u539f\u59cb\u56fe\u7247\u3002<\/p>\n<\/li>\n

    2. \n

      \u7528\u539f\u59cb\u5927\u5c0f\u7684\u56fe\u7247\u505a\u8499\u7248\u88c1\u526a\u5904\u7406\u540e\u7684\u56fe\u7247\u3002<\/p>\n<\/li>\n

    3. \n

      \u5f97\u5230\u8f6e\u5ed3\u7ebf\u3002<\/p>\n<\/li>\n<\/ol>\n

      \u7b2c\u4e00\u6b65\u4e0d\u80fd\u7b80\u5355\u5730\u7f29\u653e\u56fe\u7247\u5b9e\u73b0\uff0c\u4f8b\u5982\u4e0b\u9762\u6240\u793a\uff1a<\/span><\/p>\n

      \u00a0\"\"<\/span><\/p>\n

      \u4e2d\u5fc3\u5c0f\u6b63\u65b9\u5f62\u4ee3\u8868\u539f\u59cb\u8d34\u56fe\uff0c\u5982\u679c\u5355\u7eaf\u7f29\u653e\u6210\u5916\u56f4\u5927\u77e9\u5f62\uff0c\u7136\u540e\u5bf9\u5916\u56f4\u5927\u77e9\u5f62\u8fdb\u884c\u88c1\u526a\uff0c\u53ef\u4ee5\u770b\u5230\u5e76\u4e0d\u80fd\u628a\u9ed1\u8272\u533a\u5757\u6b63\u786e\u88c1\u526a\u6389\u3002\u5fc5\u987b\u5bf9\u539f\u56fe\u8fdb\u884c\u81a8\u80c0\u5904\u7406\u3002\u4e0b\u9762\u662f<\/span>hx <\/span>\u91c7\u7528\u7684\u505a\u6cd5\uff1a<\/span><\/p>\n

      \u00a0\"\"<\/a><\/span><\/p>\n

        \n
      1. \n

        \u6e32\u67d3\u6210\u5355\u8272<\/p>\n

        \u53ea\u8981\u6709alpha\u503c\u7684\u50cf\u7d20\u70b9\u90fd\u4fdd\u7559\u4e0b\u6765\uff0c\u6e32\u67d3\u5230\u4e00\u5f20\uff08\u539f\u59cb\u5bbd+\u63cf\u8fb9*2\uff09X\uff08\u539f\u59cb\u9ad8+\u63cf\u8fb9*2\uff09\u7684\u6e32\u67d3\u5bf9\u8c61\u3002<\/p>\n

        \/\/ lmy 2014\/3\/26\r\n\r\n#ifdef GL_ES\r\nprecision highp float;\r\n#endif\r\n\r\nvarying vec2 v_texCoord;\r\nuniform sampler2D CC_Texture0;\r\nuniform vec4 v_color;\r\n\r\nvoid main(void)\r\n{\r\n\u00a0\u00a0\u00a0 gl_FragColor = texture2D(CC_Texture0, v_texCoord);\r\n\u00a0\u00a0\u00a0 if (gl_FragColor.a>0.0001)\r\n\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 gl_FragColor.rgb = v_color.rgb;\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 else\r\n\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 gl_FragColor.rgb = vec3(0.0,0.0,0.0);\r\n\u00a0\u00a0\u00a0 }\r\n}<\/pre>\n<\/li>\n
      2. \n
        \u6e32\u67d3\u63cf\u8fb9<\/p>\n
        \u9010\u50cf\u7d20\u6e32\u67d3\uff0c\u91c7\u6837\u6bcf\u4e2a\u50cf\u7d20\u76f8\u90bb\u7684\u4e0a\u4e0b\u5de6\u53f34\u4e2a\u50cf\u7d20\uff0c\u76f8\u52a0\u540e\u4f5c\u4e3a\u5f53\u524d\u50cf\u7d20\u7684\u503c\u3002\u8fd9\u6837\u4e00\u904d\u6e32\u67d3\u4e0b\u6765\u53ef\u4ee5\u628a\u539f\u59cb\u56fe\u50cf\u81a8\u80c01\u4e2a\u50cf\u7d20\uff0c\u63cf\u8fb9\u5927\u5c0fn\u9700\u8981n\u904d\u6e32\u67d3\u3002<\/p>\n
        void main(void)\r\n{\r\n\u00a0\u00a0\u00a0 float dx = 1.0\/rt_size.x;\r\n\u00a0\u00a0\u00a0 float dy = 1.0\/rt_size.y;\r\n\r\n\u00a0\u00a0\u00a0 vec4 c0 = texture2D(CC_Texture0, v_texCoord+vec2(dx,0));\r\n\u00a0\u00a0\u00a0 vec4 c1 = texture2D(CC_Texture0, v_texCoord+vec2(-dx,0));\r\n\u00a0\u00a0\u00a0 vec4 c2 = texture2D(CC_Texture0, v_texCoord+vec2(0,dy));\r\n\u00a0\u00a0\u00a0 vec4 c3 = texture2D(CC_Texture0, v_texCoord+vec2(0,-dy));\r\n\u00a0\u00a0\u00a0 vec4 c4 = texture2D(CC_Texture0, v_texCoord);\r\n\u00a0\u00a0\u00a0 gl_FragColor = c4 + c0+c1+c2+c3;\r\n\r\n}<\/pre>\n<\/li>\n
      3. \n
        \u88c1\u526a<\/p>\n
        \u7528\u81a8\u80c0\u540e\u7684\u539f\u56fe\u4e3a\u5e95\u56fe\uff0c\u539f\u59cb\u56fe\u50cf\u505a\u8499\u7248\u8fdb\u884c\u88c1\u526a\uff0c\u9542\u7a7a\u533a\u57df\u5373\u4e3a\u63cf\u8fb9\u3002\u4f46\u6b64\u65f6\u7684\u63cf\u8fb9\u5f88\u6bdb\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u5904\u7406\u3002\"\"<\/span><\/span><\/p>\n<\/li>\n
      4. \n
        \u8fc7\u6ee4<\/p>\n<\/li>\n<\/ol>\n
        \u4e3a\u4e86\u89e3\u51b3\u6bdb\u8fb9\uff0c\u9700\u8981\u5bf9\u56fe\u50cf\u505a\u8fc7\u6ee4\u5904\u7406\uff0c\u4f7f\u7528<\/span>box filter<\/span>\u5bf9\u5468\u56f4<\/span>16<\/span>\u4e2a\u50cf\u7d20\u505a\u5747\u503c\u91c7\u6837\u5373\u53ef\u8fbe\u5230\u8f83\u597d\u7684\u6253\u78e8\u6548\u679c\u3002<\/span><\/p>\n
        void main(void)\r\n{\r\n\u00a0\u00a0\u00a0 vec4 color = vec4(0.0,0.0,0.0,0.0);\r\n\u00a0\u00a0\u00a0 steps[0] = -2.0;\r\n\u00a0\u00a0\u00a0 steps[1] = -1.0;\r\n\u00a0\u00a0\u00a0 steps[2] = 0.0;\r\n\u00a0\u00a0\u00a0 steps[3] = 1.0;\r\n\u00a0\u00a0\u00a0 steps[4] = 2.0;\r\n\r\n\u00a0\u00a0\u00a0 vec2 dxdy\u00a0 = 1.0 \/ rt_size;\r\n\u00a0\u00a0\u00a0 for (int x = -2; x < 2; x++)\r\n\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 for (int y = -2; y < 2; y++)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 color += texture2D(CC_Texture0, vec2(v_texCoord.x + steps[x+2] * dxdy.x, v_texCoord.y + steps[y+2] * dxdy.y));\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 color \/= 16.0;\r\n\r\n\u00a0\u00a0\u00a0 gl_FragColor = color;\r\n}<\/pre>\n
        5.<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span>\u6362\u8272<\/span><\/p>\n
        \u8fd9\u4e00\u6b65\u662f\u4e3a\u4e86<\/span>hx<\/span>\u9700\u6c42\u505a\u7684\uff0c\u7eff\u8272\u63cf\u8fb9\u662f\u9009\u4e2d\u72b6\u6001\uff0c\u7ea2\u8272\u63cf\u8fb9\u5c5e\u4e8e\u4e0d\u80fd\u6446\u653e\u7684\u72b6\u6001\uff0c\u53ea\u9700\u8981\u628a\u63cf\u8fb9\u6362\u4e00\u4e0b\u8272\uff0c\u4e0d\u9700\u8981\u518d\u6267\u884c\u4e00\u904d\u4e0a\u8ff0<\/span>1-4<\/span>\u6b65\u3002<\/span><\/p>\n
        void main(void)\r\n{\r\n\u00a0\u00a0\u00a0 gl_FragColor = texture2D(CC_Texture0, v_texCoord);\r\n\r\n\u00a0\u00a0\u00a0 if (gl_FragColor.a>0.0001)\r\n\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 gl_FragColor.rgb = v_color.rgb;\r\n\u00a0\u00a0\u00a0 }\u00a0\r\n}<\/pre>\n
        \u6574\u4e2a\u6d41\u7a0b\u7684\u6e32\u67d3\u5bf9\u8c61\u5982\u4e0b\uff0c\u5206\u522b\u662f\u539f\u56fe<\/span>-><\/span>\u5355\u8272<\/span>-><\/span>\u81a8\u80c0<\/span>-><\/span>\u88c1\u526a<\/span>-><\/span>\u8fc7\u6ee4<\/span>&<\/span>\u6362\u8272<\/span><\/p>\n
        \u00a0\"\"<\/a><\/span><\/span><\/p>\n
        \u603b\u7ed3<\/strong><\/span><\/p>\n
        \u7531\u4e8e\u6e32\u67d3\u5bf9\u8c61\u4e0e\u5168\u5c4f\u76f8\u6bd4\u5e76\u4e0d\u662f\u5f88\u5927\uff0c\u5bf9\u4e8e\u6e32\u67d3\u901f\u5ea6\u8fd8\u662f\u6709\u4fdd\u8bc1\u7684\uff0c\u867d\u7136\u81a8\u80c0\u9636\u6bb5\u9700\u8981\u591a\u6b21\u6e32\u67d3\uff0c\u4f46\u662f\u57fa\u672c\u80fd\u4fdd\u8bc1\u5373\u70b9\u5373\u54cd\u5e94\u7684\u6e32\u67d3\u901f\u5ea6\uff0c\u5bf9\u4e8e\u6570\u4ee5\u767e\u5343\u8ba1\u7684\u573a\u666f\u8d44\u6e90\uff0c\u8282\u7701\u4e86\u5f88\u591a\u7f8e\u672f\u5de5\u4f5c\u91cf\u3002<\/span><\/p>\n
        \u6539\u8fdb<\/span><\/strong><\/p>\n
        \u5bf9\u4e8e\u73bb\u7483\u8fd9\u7c7b\u5305\u542b\u534a\u900f\u660e\u6761\u7eb9\u7684\u7269\u4f53\uff0c\u4f1a\u628a\u6761\u7eb9\u7684\u63cf\u8fb9\u4e5f\u8ba1\u7b97\u8fdb\u53bb\uff0c\u800c\u4e0d\u80fd\u51c6\u786e\u8868\u8fbe\u51fa\u5916\u8f6e\u5ed3\uff0c\u6682\u65f6\u6ca1\u6709\u60f3\u5230\u6bd4\u8f83\u597d\u7684\u89e3\u51b3\u529e\u6cd5\uff0c\u6b22\u8fce\u5927\u5bb6\u62cd\u7816\u3002<\/span><\/p>\n
        \u00a0\"\"<\/span><\/p>\n
        \u00a0<\/span><\/p>\n
        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>HX<\/span><\/span>\u9879\u76ee\u7ec4<\/span>|<\/span>\u5c0f\u5955<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
        \u8fd9\u7bc7\u6587\u7ae0\u83b7\u5f97\u4e86NetEase\u516c\u53f8\u7684\u6280\u672f\u5206\u4eab\u4e09\u7b49\u5956\u54e6 2D\u6e38\u620f\u7684\u63cf\u8fb9\u5b9e\u73b0 \u5bf9\u573a\u666f\u7269\u4f53\u7684\u8fdb\u884c\u63cf\u8fb9\u662f\u6e38\u620f\u5e38\u7528\u7684\u529f\u80fd\u3002 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts\/346"}],"collection":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=346"}],"version-history":[{"count":4,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts\/346\/revisions"}],"predecessor-version":[{"id":354,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts\/346\/revisions\/354"}],"wp:attachment":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=346"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}