VRML\u521b\u4f5c\u5de5\u5177\u5f88\u591a\u662f\u201c\u6240\u89c1\u5373\u6240\u5f97\u201d\u5f0f\u7684\uff0c\u901a\u8fc7\u56fe\u5f62\u754c\u9762\u53ef\u4ee5\u65b9\u4fbf\u5730\u521b\u4f5c\u865a\u62df\u5883\u754c\uff0c\u4f46VRML\u4e0d\u4ec5\u4ec5\u662f\u666e\u901a\u7684\u4e09\u7ef4\u8bbe\u8ba1\uff0c\u5c3d\u7ba1\u8fd9\u4e9b\u5de5\u5177\u5f88\u5bb9\u6613\u4e0a\u624b\uff0c\u5374\u5f80\u5f80\u5c4f\u853d\u6389\u4e86VRML\u6807\u51c6\u7684\u5177\u4f53\u7ec6\u8282\uff0c\u56e0\u4e3a\u5982\u679c\u60f3\u6df1\u5165\u638c\u63e1VRML\uff0c\u8fd8\u9700\u8981\u5168\u9762\u4e86\u89e3\u8282\u70b9\u3001\u57df\u3001\u68c0\u6d4b\u5668\u7b49\u6280\u672f\u7ec6\u8282\uff0c\u800c\u8fbe\u6210\u6b64\u76ee\u7684\u7684\u6700\u597d\u65b9\u6cd5\u5c31\u662f\u7528\u7f16\u5199\u6587\u672c\u6587\u4ef6\u7684\u65b9\u5f0f\u521b\u4f5cVRML\u5883\u754c\u3002\u672c\u6559\u7a0b\u63d0\u4f9b\u4e86\u516d\u4e2a\u5178\u578b\u4f8b\u5b50\uff0c\u8fd9\u4e9b\u4f8b\u5b50\u5e76\u4e0d\u590d\u6742\uff0c\u4e5f\u4e0d\u7cbe\u5f69\uff0c\u4f46\u6db5\u76d6\u4e86VRML\u7684\u5173\u952e\u5185\u5bb9\u3002<\/p>\n
\u5728\u5f00\u59cb\u521b\u4f5c\u4e4b\u524d\uff0c\u5e94\u4f5c\u597d\u4e0b\u9762\u7684\u51c6\u5907\u3002<\/p>\n
\u6587\u672c\u7f16\u8f91\u5668 \u968f\u4fbf\u4f60\u559c\u6b22\u7684\u6587\u672c\u7f16\u8f91\u5668\uff0c\u5982Win95\u4e0b\u7684NotePad,Dos\u4e0b\u7684Edit\u7b49\u7b49\u3002<\/p>\n
VRML\u6d4f\u89c8\u5668 \u82e5\u7528\u7684Web\u6d4f\u89c8\u5668\u662fNetscape4.0\u4e00\u4e0b\u7248\u672c\uff0c\u53ef\u4e0b\u8f7dCosmoPlayer(http:\/\/cosmo.sgi.com<\/a>);\u82e5\u7528\u7684\u662fNetscape4.0\u6216\u66f4\u9ad8\u7248\u672c\uff0c\u5219\u5df2\u5185\u7f6eCosmoPlayer2.0,\u53ea\u662f\u5b89\u88c5Netscape\u65f6\u8bf7\u6ce8\u610f\u662f\u5426\u9009\u4e2d\u4e86\u76f8\u5e94\u9009\u9879\uff1b\u82e5\u7528\u7684\u662fInternet Explore4.0\uff0c\u5219\u6709\u53ef\u80fd\u5df2\u7ecf\u5185\u7f6e\u4e86VRML2.0\u6d4f\u89c8\u5668\uff0c\u5224\u65ad\u662f\u5426\u5185\u7f6e\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u770b\u5b83\u80fd\u5426\u6253\u5f00VRML\u6587\u4ef6\uff08*.wrl,*.wrz\uff09,\u5982\u679c\u4e0d\u884c\uff0c\u53ef\u4ee5\u4ecehttp:\/\/www.microsoft.com\/vrml\/<\/a>\u4e0b\u8f7dVRML\u6d4f\u89c8\u5668\u63d2\u4ef6\uff0c\u5bf9\u4e8eIE3.x,\u8fd8\u9700\u8981\u4e0b\u8f7d\u4e00\u4e9b\u8f85\u52a9\u63d2\u4ef6\u3002\u5f53\u7136\u5728\u5f00\u59cb\u4e4b\u524d\u5e94\u57fa\u672c\u719f\u6089VRML\u6d4f\u89c8\u5668\u7684\u64cd\u4f5c\u65b9\u6cd5\u3002<\/p>\n \u786c\u4ef6 VRML\u548c\u786c\u4ef6\u5e73\u53f0\u65e0\u5173\uff0c\u53ea\u8981\u80fd\u63d0\u4f9bVRML\u6d4f\u89c8\u5668\u3002\u5728\u4e0b\u9762\u7684\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5047\u5b9a\u786c\u4ef6\u5e73\u53f0\u662f\u5fae\u673a\uff0c\u8f93\u51fa\u8bbe\u5907\u662f\u56fe\u5f62\u7a97\u53e3\uff0c\u8f93\u5165\u8bbe\u5907\u4e3a\u9f20\u6807\u5668\u548c\u952e\u76d8\u3002\u5f53\u7136\uff0c\u5982\u679c\u6709\u66f4\u5148\u8fdb\u7684\u865a\u62df\u73b0\u5b9e\u8bbe\u5907\u548c\u652f\u6301\u5b83\u7684VRML\u6d4f\u89c8\u8f6f\u4ef6\u6548\u679c\u4f1a\u66f4\u597d\u3002\u5bf9\u4e8e\u6211\u4eec\u5c06\u8981\u521b\u4f5c\u7684\u5883\u754c\uff0c\u5fae\u673a\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n \u8d44\u6599 \u672c\u7ad9\u5c31\u662f\u6700\u5168\u9762\u7684\u8d44\u6599\uff0c\u9047\u5230\u65b0\u6982\u5ff5\u65f6\u53ef\u67e5\u9605\u672c\u7ad9\u76f8\u5173\u8d44\u6599\u3002<\/p>\n \u7b2c\u4e00\u8282 “Hello,World!”<\/p>\n \u6309\u7167\u60ef\u4f8b\uff0c\u6211\u4eec\u4ee5”Hello,World!”\u4f5c\u4e3a\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u865a\u62df\u5883\u754c\uff0c\u5b83\u7531\u7acb\u65b9\u4f53\u3001\u5706\u9525\u548c\u7403\u4f53\u7ec4\u6210\uff0c\u4f60\u53ef\u80fd\u5df2\u7ecf\u6ce8\u610f\u5230\uff0cVRML\u7684\u6807\u5fd7\u6b63\u662f\u7531\u8fd9\u4e09\u4e2a\u51e0\u4f55\u5f62\u72b6\u6784\u6210\u7684\u3002\u8f93\u5165\u7684\u7b2c\u4e00\u884c\u6587\u5b57\u662f\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n \u8fd9\u662fVRML\u6587\u4ef6\u7684\u6807\u5fd7\uff0c\u6240\u67092.0\u7248\u672c\u7684VRML\u6587\u4ef6\u90fd\u4ee5\u8fd9\u884c\u6587\u5b57\u6253\u5934\uff0cVRML97\u662f\u7531VRML2.0\u7248\u4fee\u8ba2\u800c\u6210\u7684\uff0c\u7b26\u5408VRML97\u89c4\u8303\u7684VRML\u6587\u4ef6\u4e5f\u4ee5\u8fd9\u884c\u6587\u5b57\u6253\u5934\u3002\u5176\u4e2d\u201c#\u201d\u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u6ce8\u91ca\u3002\u800cutf8\u8868\u793a\u6b64\u6587\u4ef6\u91c7\u7528\u7684\u662futf8\u7f16\u7801\u65b9\u6848\uff0c\u8fd9\u5728\u6807\u51c6\u4e2d\u6709\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n \u5148\u52a0\u5165\u4e00\u4e2aGroup\u8282\u70b9\uff08\u7ec4\u8282\u70b9\uff09\uff1a<\/p>\n Group {<\/p>\n \u7ec4\u8282\u70b9\u7684\u82b1\u62ec\u53f7\u4e4b\u5185\u7684\u6240\u6709\u5185\u5bb9\u89c6\u4e3a\u4e00\u4e2a\u6574\u4f53\uff0c\u5229\u7528\u7ec4\u8282\u70b9\u53ef\u4ee5\u628a\u865a\u62df\u573a\u666f\u7ec4\u7ec7\u6210\u6761\u7406\u6e05\u6670\u7684\u6811\u5f62\u5206\u652f\u7ed3\u6784\u3002\u4e0b\u9762\u5b9a\u4e49\u7ec4\u8282\u70b9\u7684children\u57df\uff08\u5b69\u5b50\u57df\uff09\uff1a<\/p>\n children [<\/p>\n \u5728children\u540e\u7684\u65b9\u62ec\u53f7\u5185\u5b9a\u4e49Group\u8282\u70b9\u7684\u6240\u6709\u5b69\u5b50\u5bf9\u8c61\uff0c\u7b2c\u4e00\u4e2a\u5b69\u5b50\u662f\u4e00\u4e2aShape\u8282\u70b9\uff08\u5f62\u6001\u8282\u70b9\uff09\uff0c\u5b83\u63cf\u8ff0\u4e00\u4e2a\u51e0\u4f55\u5f62\u72b6\u53ca\u5176\u989c\u8272\u7b49\u7279\u5f81\uff1a<\/p>\n Shape {<\/p>\n \u5728Shape \u8282\u70b9\u5185\u5b9a\u4e49\u4e00\u4e2a\u51e0\u4f55\u4f53Box\uff08\u65b9\u76d2\u8282\u70b9\uff09\uff1a<\/p>\n geometry Box {}<\/p>\n \u6ce8\u610f\u6211\u4eec\u6ca1\u6709\u4e3aBox\u5b9a\u4e49\u4efb\u4f55\u57df\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u7684\u5c3a\u5bf8\u548c\u5750\u6807\u4f4d\u7f6e\u7b49\u7279\u6027\u53d6\u7f3a\u7701\u503c\uff08\u5355\u4f4d\u7acb\u65b9\u4f53\uff09\u3002\u968f\u540e\u8865\u9f50\u5404\u53f3\u62ec\u53f7\uff1a<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n \u81f3\u6b64\uff0c\u6211\u4eec\u5df2\u7ecf\u6210\u529f\u5730\u5236\u4f5c\u4e86\u7b2c\u4e00\u4e2a\u865a\u62df\u5883\u754c\uff0c\u628a\u5b83\u4fdd\u5b58\u4e3aHello World.wrl,\u4e0b\u9762\u662f\u5b8c\u6574\u7684\u6587\u4ef6\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n Group {<\/p>\n children [<\/p>\n Shape {<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n \u7528\u6d4f\u89c8\u5668\u6253\u5f00\u8fd9\u4e2a\u6587\u4ef6\uff0c\u4f60\u4f1a\u770b\u5230\u4e00\u4e2a\u7070\u8272\u7684\u7acb\u65b9\u4f53\uff0c\u5c3d\u7ba1\u4e0d\u592a\u597d\u770b\uff0c\u4f46\u4f60\u8fd8\u662f\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u89c6\u70b9\u4f4d\u7f6e\u4ece\u4e0d\u540c\u65b9\u4f4d\u89c2\u5bdf\u5b83\uff0c\u521d\u6b65\u4f53\u9a8c\u201c\u4e09\u7ef4\u4ea4\u4e92\u201d\u7684\u611f\u89c9\u3002<\/p>\n \u4e0b\u9762\u5b9a\u4e49\u7acb\u65b9\u4f53\u7684\u5916\u89c2\uff0c\u8fd9\u53ea\u9700\u6539\u53d8Shape\u8282\u70b9\u7684appearance\u57df\uff08\u5916\u89c2\uff09\uff0cappearance \u57df\u662f\u4e00\u4e2aAppearance \u8282\u70b9\uff0c\u6b64Appearance\u8282\u70b9\u7684material\u57df\uff08\u6750\u8d28\uff09\u5b9a\u4e49\u4e3a\u4e00\u4e2aMaterial \u8282\u70b9\uff1a<\/p>\n appearance Appearance {<\/p>\n material Material {}<\/p>\n }<\/p>\n \u8fd9\u6837\uff0c\u4e0a\u9762\u7684Shape\u8282\u70b9\u53d8\u6210\u4e86\uff1a<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material {}<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n \u8fd9\u662f\u5b9a\u4e49\u51e0\u4f55\u9020\u578b\u7684\u57fa\u672c\u683c\u5f0f\u3002\u73b0\u5728\u7acb\u65b9\u4f53\u8fd8\u662f\u7070\u8272\u7684\uff0c\u8fd9\u662f\u56e0\u4e3a\u5176\u4e2d\u7684Material\u8282\u70b9\u91c7\u7528\u7684\u8fd8\u662f\u7f3a\u7701\u503c\uff0c\u4e0b\u9762\u4fee\u6539\u5b83\u7684diffuseColor\u57df\uff08\u6f2b\u5c04\u8272\uff09\uff0cVRML\u7684\u989c\u8272\u8bf4\u660e\u91c7\u7528\u7684\u662fRGB\u989c\u8272\u6a21\u578b\uff0c\u6240\u4ee5\u8981\u5b9a\u4e49\u7ea2\u8272\u7684\u7acb\u65b9\u4f53\uff0c\u6f2b\u5c04\u8272\u5e94\u8be5\u662f{1 0 0},\u4e09\u4e2a\u6570\u5b57\u4f9d\u6b21\u8868\u793a\u7ea2\u8272\u3001\u7eff\u8272\u548c\u84dd\u8272\uff0c\u53d6\u503c\u8303\u56f4\u90fd\u662f0\u52301\uff1a<\/p>\n material Material {diffuseColor 1 0 0 }<\/p>\n \u73b0\u5728\u6211\u4eec\u751f\u6210\u4e86\u7b2c\u4e8c\u4e2a\u573a\u666f\uff0c\u5b8c\u6574\u7684\u4ee3\u7801\u662f\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n Group {<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n \u5728\u8fd9\u4e2a\u573a\u666f\u4e2d\uff0c\u7ea2\u8272\u7684\u7acb\u65b9\u4f53\u4f4d\u4e8e\u5c4f\u5e55\u7684\u4e2d\u5fc3\uff0c\u5b83\u7684\u4e2d\u5fc3\u5750\u6807\u4e3a{0 0 0 }\u3002\u82e5\u60f3\u628a\u5b83\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e3a\u5b83\u5916\u5957\u4e00\u4e2aTransform(\u53d8\u6362\u8282\u70b9)\u6765\u5b9e\u73b0\uff1a<\/p>\n Transform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material {}<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n \u5728VRML\u4e2d\uff0cTransform\u8282\u70b9\u9664\u4e86\u53ef\u4ee5\u5f15\u8fdb\u5e73\u79fb\u3001\u65cb\u8f6c\u548c\u7f29\u653e\u53d8\u6362\u4ee5\u5916\uff0c\u5176\u4f5c\u7528\u548cGroup\u8282\u70b9\u7684\u4f5c\u7528\u4e00\u6837\u3002\u628aTransform \u8282\u70b9\u7684translation\u57df\uff08\u5e73\u79fb\uff09\u8bbe\u7f6e\u4e3a5 0 0,\u610f\u5473\u7740Transform\u8282\u70b9\u6240\u5728\u7684\u5750\u6807\u7cfb\u76f8\u5bf9\u4e8e\u5176\u4e0a\u5c42\u5750\u6807\u7cfb\u5411\u53f3\u5e73\u79fb\uff08\u5373x\u8f74\u65b9\u5411\uff095\u4e2a\u5355\u4f4d\uff0c\u5728\u5176\u5b83\u4e24\u4e2a\u65b9\u5411\u4e0d\u79fb\u52a8\uff0cVRML\u7684\u8ddd\u79bb\u5355\u4f4d\u662f\u7c73\uff0c5\u4e2a\u5355\u4f4d\u76f8\u5f53\u4e8e5\u7c73\u3002\u6211\u4eec\u7b2c\u4e09\u4e2a\u573a\u666f\u7684\u5b8c\u6574\u4ee3\u7801\u662f\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n Group {<\/p>\n children [<\/p>\n Transform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n \u63a5\u4e0b\u6765\u6211\u4eec\u628a\u65b9\u5757\u6240\u5728\u7684Transform\u8282\u70b9\u590d\u5236\u4e09\u4efd\uff0c\u5e76\u628a\u5404\u81ea\u5305\u542b\u7684\u51e0\u4f55\u5f62\u72b6\u4f9d\u6b21\u5b9a\u4e49\u4e3a\u65b9\u5757\u3001\u7403\u4f53\u548c\u5706\u9525\uff1a<\/p>\n Group {<\/p>\n children [<\/p>\n Transform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape { …. geometry Box {} } <\/p>\n ]<\/p>\n }<\/p>\n Transform {<\/p>\n translation 0 0 0<\/p>\n children [<\/p>\n Shape { … geometry Sphere {} } <\/p>\n ]<\/p>\n }<\/p>\n Transform {<\/p>\n translation -5 0 0<\/p>\n children [<\/p>\n Shape { … geometry Cone {} }<\/p>\n ]<\/p>\n }<\/p>\n ]#end of Group children <\/p>\n }<\/p>\n \u4f60\u53ef\u80fd\u5df2\u7ecf\u611f\u89c9\u5230\uff0cVRML\u6587\u4ef6\u4e2d\u6709\u8bb8\u591a\u62ec\u53f7\uff08\u82b1\u62ec\u53f7\u201c{}\u201d\u548c\u65b9\u62ec\u53f7\u201c[]\u201d\uff09\uff0c\u6240\u4ee5\u52a1\u8bf7\u6ce8\u610f\u62ec\u53f7\u7684\u914d\u5bf9\uff0c\u5efa\u8bae\u91c7\u7528\u672c\u6559\u7a0b\u7684\u7f29\u8fdb\u98ce\u683c\u3002\u6ce8\u610f\u4e0a\u9762\u7684VRML\u6587\u4ef6\u4e2d\u4e09\u4e2aTransform\u8282\u70b9\u7684\u5e73\u79fb\u91cf\u662f\u4e0d\u540c\u7684\uff0c\u56e0\u800c\u4e09\u4e2a\u51e0\u4f55\u4f53\u7684\u4f4d\u7f6e\u4e5f\u5c31\u4e0d\u540c\u3002\u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u4fee\u6539\u4e09\u4e2a\u51e0\u4f55\u4f53\u7684\u989c\u8272\uff1a\u7403\u9762Sphere\u4e3a\u7eff\u8272\uff080 1 0\uff09\uff0c\u5706\u9525\u4e3a\u84dd\u8272\uff08 0 1 0 \uff09\u3002\u6700\u540e\uff0c\u4e3a\u4e86\u4ee5\u540e\u5f15\u7528\u65b9\u4fbf\uff0c\u5206\u522b\u7ed9\u8fd9\u4e09\u4e2aTransform \u8282\u70b9\u6307\u5b9a\u4e00\u4e2a\u540d\u79f0\uff1a<\/p>\n DEF box Transform {…}<\/p>\n DEF sphere Transform {…}<\/p>\n DEF cone Transform {…}<\/p>\n \u8fd9\u4e2aVRML\u573a\u666f\u7684\u5b8c\u6574\u4ee3\u7801\u662f\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n Group {<\/p>\n children [<\/p>\n DEF box Tranform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF sphere Transform {<\/p>\n translation 0 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 1 0 }<\/p>\n }<\/p>\n geometry Sphere {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF cone Transform {<\/p>\n translation -5 0 0 <\/p>\n children [<\/p>\n Shape {<\/p>\n appearnance Appearance {<\/p>\n material Material { diffuseColor 0 0 1 }<\/p>\n }<\/p>\n geometry Cone { }<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n ]# end of Group children <\/p>\n }<\/p>\n \u628a\u6b64\u6587\u4ef6\u4fdd\u5b58\u4e3ahelloworld.wrl,\u7528VRML\u6d4f\u89c8\u5668\u6253\u5f00\u8fd9\u4e2a\u6587\u4ef6\uff0c\u901a\u8fc7\u8c03\u6574\u89c6\u70b9\u4ece\u591a\u4e2a\u65b9\u4f4d\u6d4f\u89c8\u81ea\u5df1\u7684\u4f5c\u54c1\u3002<\/p>\n \u5c0f\u7ed3\uff1a\u5728\u8fd9\u4e00\u8282\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u7b2c\u4e00\u4e2a\u865a\u62df\u5883\u754c\uff0c\u6d89\u53ca\u5230\u5982\u4f55\u7528\u51e0\u4f55\u4f53\u6784\u5efa\u5883\u754c\uff0c\u4ee5\u53ca\u5982\u4f55\u8bbe\u5b9a\u51e0\u4f55\u4f53\u7684\u989c\u8272\u4e0e\u6750\u8d28\u3002\u5c3d\u7ba1\u8fd9\u4e2a\u7531\u65b9\u5757\u3001\u5706\u9525\u548c\u7403\u4f53\u7ec4\u6210\u7684\u573a\u666f\u56fe\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u5df2\u7ecf\u53cd\u6620\u4e86VRML\u7684\u57fa\u672c\u529f\u80fd\u3002\u5f53\u7136\uff0c\u9664\u4e86\u53ef\u7528\u9f20\u6807\u6539\u53d8\u89c6\u70b9\u5916\uff0c\u8fd9\u8fd8\u53ea\u662f\u4e00\u4e2a\u9759\u6001\u4e16\u754c\uff0c\u5728\u4e0b\u4e00\u8282\uff0c\u6211\u4eec\u5c06\u5f15\u8fdbVRML\u7684\u52a8\u6001\u7279\u5f81\u3002<\/p>\n \u7b2c\u4e8c\u8282 \u589e\u52a0\u4ea4\u4e92\u80fd\u529b<\/p>\n \u4e0a\u4e00\u8282\u6211\u4eec\u5b66\u4e60\u4e86\u7528\u51e0\u4f55\u4f53\u5efa\u7acb\u865a\u62df\u5883\u754c\u4ee5\u53ca\u4e3a\u51e0\u4f55\u4f53\u8d4b\u4e88\u8272\u5f69\u548c\u6750\u8d28\u7684\u65b9\u6cd5\uff0c\u8fd9\u6837\u5efa\u7acb\u7684\u865a\u62df\u5883\u754c\u662f\u9759\u6001\u7684\u3002\u8fd9\u4e00\u8282\u6211\u4eec\u5c06\u4f7f\u4e00\u4e2a\u51e0\u4f55\u4f53\uff08\u4e3a\u4e86\u66f4\u5177\u4e00\u822c\u6027\uff0c\u4e0b\u9762\u6211\u4eec\u79f0\u4e4b\u4e3a\u5bf9\u8c61\uff09\u80fd\u591f\u6839\u636e\u7528\u6237\u52a8\u4f5c\u505a\u51fa\u53cd\u5e94\uff0c\u5373\u4ea4\u4e92\u80fd\u529b\uff0c\u8fd9\u662fVRML2.0\u6700\u7a81\u51fa\u7684\u7279\u5f81\u3002<\/p>\n 1\u3002\u68c0\u6d4b\u5668<\/p>\n \u5728VRML\u4e2d\uff0c\u68c0\u6d4b\u5668\uff08Sensor\uff09\u8282\u70b9\u662f\u4ea4\u4e92\u80fd\u529b\u7684\u57fa\u7840\u3002\u68c0\u6d4b\u5668\u8282\u70b9\u5171\u4e5d\u79cd\u3002\u5728\u573a\u666f\u56fe\u4e2d\uff0c\u68c0\u6d4b\u5668\u8282\u70b9\u4e00\u822c\u662f\u4ee5\u5176\u5b83\u8282\u70b9\u7684\u5b50\u8282\u70b9\u7684\u8eab\u4efd\u800c\u5b58\u5728\u7684\uff0c\u5b83\u7684\u7236\u8282\u70b9\u79f0\u4e3a\u53ef\u89e6\u53d1\u8282\u70b9\uff0c\u89e6\u53d1\u6761\u4ef6\u548c\u65f6\u673a\u7531\u68c0\u6d4b\u5668\u8282\u70b9\u7c7b\u578b\u786e\u5b9a\u3002<\/p>\n \u63a5\u89e6\u68c0\u6d4b\u5668\uff08 TouchSensor\uff09\u662f\u6700\u5e38\u7528\u7684\u68c0\u6d4b\u5668\u4e4b\u4e00\uff0c\u6700\u5178\u578b\u7684\u5e94\u7528\u4f8b\u5b50\u662f\u5f00\u5173\u3002\u5176\u5b83\u68c0\u6d4b\u5668\u5c06\u5728\u540e\u7eed\u6559\u7a0b\u4e2d\u9646\u7eed\u4ecb\u7ecd\u3002\u8fd9\u91cc\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u5f00\u5173\u8282\u70b9lightSwitch\uff08\u8fd9\u662f\u4e00\u4e2a\u7ec4\u8282\u70b9\uff09\uff0c\u5e76\u5b9a\u4e49\u4e00\u4e2a\u63a5\u89e6\u68c0\u6d4b\u5668\u4f5c\u4e3a\u5b83\u7684\u5b50\u8282\u70b9\uff1a<\/p>\n DEF lightSwitch Group {<\/p>\n children [<\/p>\n \u5404\u51e0\u4f55\u9020\u578b\u5b50\u8282\u70b9…<\/p>\n DEF touchSensor TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n \u8fd9\u6837\u5f00\u5173\u8282\u70b9lightSwitch\u5c31\u662f\u4e00\u4e2a\u53ef\u89e6\u53d1\u8282\u70b9\u3002\u5f53\u7136\uff0c\u68c0\u6d4b\u5668\u5b58\u5728\u7684\u7406\u7531\u662f\u5b83\u88ab\u89e6\u53d1\u65f6\u80fd\u591f\u5f15\u8d77\u67d0\u79cd\u53d8\u5316\uff0c\u6240\u4ee5\u5728\u66f4\u6df1\u5165\u8ba8\u8bba\u5f00\u5173\u8282\u70b9\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u8ba8\u8bba\u4e00\u4e0b\u573a\u666f\u53d8\u5316\u3002 2.\u89c6\u70b9<\/p>\n \u6700\u5e38\u89c1\u7684\u53d8\u5316\u662f\u89c6\u70b9\u7684\u53d8\u5316\uff0c\u5728\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u5883\u754c\u4e2d\u4f60\u53ef\u80fd\u5df2\u7ecf\u4f53\u9a8c\u5230\u89c6\u70b9\u53d8\u5316\uff1a\u5f53\u4f60\u62d6\u52a8\u9f20\u6807\u6216\u6309\u52a8\u7bad\u5934\u952e\u65f6\uff08\u6309\u7167VRML\u672f\u8bed\uff0c\u79f0\u4e3a\u822a\u884c\uff09\uff0c\u865a\u62df\u5883\u754c\u5c31\u4f1a\u65cb\u8f6c\u6216\u7f29\u653e\uff0c\u8fd9\u5b9e\u9645\u4e0a\u662f\u5728\u8c03\u6574\u4f60\u7684\u89c6\u70b9\u4f4d\u7f6e\u6216\u89c6\u89d2\u3002\u5728\u865a\u62df\u573a\u666f\u7684\u91cd\u8981\u4f4d\u7f6e\u53ef\u4ee5\u5b9a\u4e49\u89c6\u70b9\u8282\u70b9\uff08ViewPoint\uff09,\u5b83\u4eec\u662f\u5883\u754c\u4f5c\u8005\u7ed9\u7528\u6237\u63a8\u8350\u7684\u4e0a\u4f73\u89c2\u8d4f\u65b9\u4f4d\uff0c\u5728CosmoPlayer\u6d4f\u89c8\u5668\u4e2d\uff0c\u7528\u6237\u5c31\u53ef\u4ee5\u901a\u8fc7\u9f20\u6807\u53f3\u952e\u9009\u62e9\u4f5c\u8005\u63a8\u8350\u7684\u5404\u4e2a\u89c6\u70b9\u3002\u8fd9\u91cc\u6211\u4eec\u5b9a\u4e49\u4e24\u4e2a\u89c6\u70b9\u8282\u70b9\uff1a<\/p>\n DEF view1 Viewpoint {<\/p>\n position 0 0 20<\/p>\n description “View1”<\/p>\n }<\/p>\n DEF view2 Viewpoint {<\/p>\n position 5 0 20<\/p>\n description “view2”<\/p>\n }<\/p>\n \u6211\u4eec\u7684\u6f5c\u5728\u76ee\u7684\u662f\u4f7f\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u89e6\u53d1\u5f00\u5173\u8282\u70b9\u6765\u5207\u6362\u89c6\u70b9\u3002\u73b0\u5728\u5148\u7814\u7a76\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u89c6\u70b9\u8282\u70b9\uff0c\u5176\u4e2d\u7684\u5750\u6807\u8868\u793a\u89c6\u70b9\u5728\u573a\u666f\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5750\u6807\u7684\u5355\u4f4d\u662f\u7c73\uff0c\u8fd9\u5728\u524d\u9762\u5df2\u7ecf\u63d0\u5230\u8fc7\uff0c\u89c6\u70b9\u7684\u540d\u79f0\u5c06\u4f1a\u5728\u6d4f\u89c8\u5668\u83dc\u5355\u4e2d\u63d0\u793a\u51fa\u6765\u4f9b\u7528\u6237\u9009\u62e9\u3002\u628a\u4e0a\u8ff0\u89c6\u70b9\u8bf4\u660e\u52a0\u5165helloworld.wrl\u4e2d\uff08\u653e\u5728Group\u8282\u70b9\u4e4b\u524d\uff09\uff0c\u5e76\u628a\u5176\u4e2d\u7684\u65b9\u5757\u8282\u70b9\u4fee\u6539\u6210\u53ef\u89e6\u53d1\u8282\u70b9\uff1a<\/p>\n DEF box Tranform {<\/p>\n children [<\/p>\n Shape { …. Box …}<\/p>\n DEF touchBox TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n \u628a\u4fee\u6539\u8fc7\u7684\u6587\u4ef6\u53e6\u5b58\u4e3a\u201ctouchme.wrl\u201d\u3002<\/p>\n 3\u3002\u4e8b\u4ef6\u4f20\u9012<\/p>\n \u4e0b\u9762\u6211\u4eec\u628a\u89e6\u53d1\uff08\u7528\u9f20\u6807\u7bad\u5934\u6309\u52a8\u65b9\u5757\uff09\u548c\u573a\u666f\u53d8\u5316\uff08\u89c6\u70b9\u5207\u6362\uff09\u8fd9\u4e24\u4ef6\u4e8b\u60c5\u8054\u7cfb\u8d77\u6765\uff0c\u5728\u573a\u666f\u56fe\u4e2d\uff0c\u9664\u8282\u70b9\u6784\u6210\u7684\u5c42\u6b21\u4f53\u7cfb\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u201c\u4e8b\u4ef6\u4f53\u7cfb\u201d\uff0c\u4e8b\u4ef6\u4f53\u7cfb\u7531\u76f8\u4e92\u901a\u8baf\u7684\u8282\u70b9\u7ec4\u6210\u3002\u80fd\u591f\u63a5\u6536\u4e8b\u4ef6\u7684\u8282\u70b9\u90fd\u5e94\u5177\u6709\u4e8b\u4ef6\u5165\u53e3\uff08eventIn\uff09\uff0c\u5982\u679c\u5b83\u8981\u63a5\u6536\u591a\u79cd\u7c7b\u578b\u7684\u4e8b\u4ef6\uff08\u79f0\u4e3a\u5165\u4e8b\u4ef6\uff09\uff0c\u5b83\u5c31\u5e94\u8be5\u5177\u6709\u591a\u4e2a\u4e8b\u4ef6\u5165\u53e3\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e8b\u4ef6\u5165\u53e3\u8c61\u8282\u70b9\u7684\u57df\u4e00\u6837\u662f\u6709\u7c7b\u578b\u7684\u3002\u540c\u6837\uff0c\u53d1\u9001\u4e8b\u4ef6\u7684\u8282\u70b9\u5e94\u6709\u4e8b\u4ef6\u51fa\u53e3\uff08eventOut\uff09,\u4e8b\u4ef6\u51fa\u53e3\u4e5f\u662f\u6709\u7c7b\u578b\u7684\u3002\u4f8b\u5982ViewPoint\u8282\u70b9\u5c31\u6709\u4e00\u4e2a\u4e8b\u4ef6\u5165\u53e3set_bind,\u5f53\u5411\u6b64\u4e8b\u4ef6\u9001\u5165\u4e00\u4e2a\u503c\u201cTRUE\u201d\uff08\u5373\u6240\u8c13\u7684\u5165\u4e8b\u4ef6\uff09\u65f6\uff0c\u8be5viewpoint\u8282\u70b9\u6210\u4e3a\u5f53\u524d\u89c6\u70b9\u3002\u53c8\u5982\uff0c\u63a5\u89e6\u68c0\u6d4b\u5668TouchSensor\u6709\u4e00\u4e2a\u4e8b\u4ef6\u51fa\u53e3isActive,\u5f53\u53d7\u5230\u7528\u6237\u89e6\u53d1\u540e\u5b83\u5c31\u4ece\u6b64\u51fa\u53e3\u9001\u51fa\u4e00\u4e2a\u201cTRUE\u201d\uff08\u5373\u6240\u8c13\u7684\u51fa\u4e8b\u4ef6\uff09\uff0c\u8865\u5145\u4e00\u53e5\uff0c\u5728\u4e0b\u4e00\u4e2a\u4e8b\u4ef6\u53d1\u9001\u4e4b\u524d\uff0c\u6b64\u4e8b\u4ef6\u4e00\u76f4\u4fdd\u5b58\u5728\u4e8b\u4ef6\u51fa\u53e3\u4e2d\uff08\u4f5c\u4e3a\u8bb0\u5f55\uff09\u3002<\/p>\n \u4e8b\u4ef6\u51fa\u53e3\u548c\u4e8b\u4ef6\u5165\u53e3\u901a\u8fc7\u8def\u5f84\u76f8\u8fde\uff0c\u8fd9\u5c31\u662fVRML\u6587\u4ef6\u4e2d\u9664\u8282\u70b9\u4ee5\u5916\u7684\u53e6\u4e00\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff1aROUTE \u8bed\u53e5\u3002ROUTE\u8bed\u53e5\u628a\u4e8b\u4ef6\u51fa\u53e3\u548c\u4e8b\u4ef6\u5165\u53e3\u8054\u7cfb\u5728\u4e00\u8d77\uff0c\u4ece\u800c\u6784\u6210\u4e8b\u4ef6\u4f53\u7cfb\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u662f\u628a\u63a5\u89e6\u68c0\u6d4b\u5668touchBox\u7684\u4e8b\u4ef6\u51fa\u53e3isActive\u8fde\u63a5\u5230\u89c6\u70b9\u8282\u70b9view2\u7684\u4e8b\u4ef6\u5165\u53e3set_bind:<\/p>\n ROTUE touchBox.isActive TO view2.set_bind<\/p>\n \u597d\u4e86\uff01\u73b0\u5728\u6211\u4eec\u5f97\u5230\u7684VRML\u6587\u4ef6\u662f\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n DEF view1 Viewpoint {<\/p>\n position 0 0 20<\/p>\n description “view1”<\/p>\n }<\/p>\n DEF view2 Viewpoint {<\/p>\n position 5 0 20<\/p>\n description “view2”<\/p>\n }<\/p>\n Group {<\/p>\n children [<\/p>\n DEF box Transform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0}<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n DEF touchBox TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n DEF sphere Transform {<\/p>\n translation 0 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 1 0}<\/p>\n }<\/p>\n geometry Sphere {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF cone Transform {<\/p>\n translation -5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 0 1 }<\/p>\n }<\/p>\n geometry Cone {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n ] #end of Group children <\/p>\n }<\/p>\n ROUTE touchBox.isActive TO view2.set_bind<\/p>\n \u628a\u8fd9\u4e2a\u6587\u4ef6\u8c03\u5165\u6d4f\u89c8\u5668\uff0c\u7136\u540e\u628a\u9f20\u6807\u6307\u5411\u65b9\u5757\u5e76\u6309\u4e0b\u5de6\u94ae\uff08\u5148\u522b\u677e\u5f00\uff01\uff09\uff0c\u53ef\u4ee5\u770b\u5230\u89c6\u70b9\u5df2\u7ecf\u53d8\u4e3aview2,\u5185\u90e8\u7684\u673a\u5236\u6211\u4eec\u5df2\u7ecf\u5f88\u6e05\u695a\uff1a\u5de6\u94ae\u6309\u4e0b\u65f6\u65b9\u5757\u8282\u70b9\u7684\u63a5\u89e6\u68c0\u6d4b\u5668\u88ab\u89e6\u53d1\uff0c\u63a5\u7740\u63a5\u89e6\u68c0\u6d4b\u5668\u4ece\u4e8b\u4ef6\u51fa\u53e3isActive\u9001\u51fa\u4e00\u4e2a\u4e8b\u4ef6\u201cTRUE\u201d\uff0c\u8fd9\u4e2a\u4e8b\u4ef6\u901a\u8fc7\u8def\u7531\u8fdb\u5165\u89c6\u70b9\u8282\u70b9view2\u7684\u4e8b\u4ef6\u5165\u53e3set_bind,view2\u6536\u5230\u201cTRUE\u201d\u540e\u6210\u4e3a\u5f53\u524d\u89c6\u70b9\uff0c\u6240\u4ee5\u5728\u6211\u4eec\u773c\u524d\u573a\u666f\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/p>\n \u73b0\u5728\u677e\u5f00\u5de6\u94ae\uff0c\u53ef\u4ee5\u770b\u5230\u573a\u666f\u6062\u590d\u5230\u539f\u6765\u65b9\u4f4d\uff0c\u8fd9\u79cd\u529f\u80fd\u79f0\u4e3a\u89c6\u70b9\u56de\u8df3\uff0c\u5176\u539f\u56e0\u662f\u677e\u5f00\u5de6\u94ae\u540e\u63a5\u89e6\u68c0\u6d4b\u5668\u5411view2\u53d1\u9001\u4e86\u4e00\u4e2a\u201cFASLE\u201d\u4e8b\u4ef6\uff0c\u8fd9\u6837view2\u5f53\u524d\u7684\u5730\u4f4d\u88ab\u89e3\u9664\uff0c\u539f\u6765\u7684\u89c6\u70b9\u6210\u4e3a\u7cfb\u7edf\u89c6\u70b9\u6808\u7684\u6808\u9876\u8282\u70b9\uff08\u5373\u5f53\u524d\u89c6\u70b9\uff09\uff0c\u8be6\u7ec6\u8bf4\u660e\u53ef\u53c2\u89c1\u6807\u51c6\u4e2d\u5bf9\u89c6\u70b9\u8282\u70b9\u7684\u4e13\u95e8\u8bba\u8ff0\u3002\u5982\u679c\u6211\u4eec\u4e0d\u60f3\u89c6\u70b9\u56de\u8df3\uff0c\u5c31\u60f3\u505c\u7559\u5728view2\u89c6\u70b9\uff0c\u90a3\u8be5\u600e\u4e48\u529e\u5462\uff1f\u8fd9\u79cd\u975e\u7cfb\u7edf\u7f3a\u7701\u529f\u80fd\u8981\u81ea\u5df1\u6765\u5b9a\u4e49\u3002<\/p>\n 4\u3002 \u5229\u7528\u811a\u672c\u7f16\u5199\u81ea\u5b9a\u4e49\u884c\u4e3a \u5728VRML\u4e2d\uff0c\u5229\u7528Script\u8282\u70b9\uff08\u811a\u672c\u8282\u70b9\uff09\u5b9a\u4e49\u7528\u6237\u81ea\u5b9a\u4e49\u884c\u4e3a\uff0c\u6240\u8c13\u5b9a\u4e49\u5373\u7528\u811a\u672c\u63cf\u8ff0\u8bed\u8a00\uff08Scripting Language\uff09\u7f16\u5199\u811a\u672c\u7684\u8fc7\u7a0b\u3002VRML97\u652f\u6301\u7684\u811a\u672c\u63cf\u8ff0\u8bed\u8a00\u76ee\u524d\u6709\u4e24\u79cd\uff1aJava\u548cEMCAScript(\u8fd9\u662fJavaScript\u6807\u51c6\u5316\u540e\u7684\u540d\u79f0)\uff0c\u5173\u4e8e\u8fd9\u4e24\u79cd\u8bed\u8a00\u672c\u8eab\uff0c\u8bf7\u53c2\u8003\u76f8\u5e94\u53c2\u8003\u4e66\uff0cVRML97\u6807\u51c6\u4e2d\u5b9a\u4e49\u4e86\u5b83\u4eec\u548cVRML\u7684\u63a5\u53e3\u65b9\u6cd5\u3002\u5e94\u63d0\u8bf7\u6ce8\u610f\u7684\u662f\uff1aVRML\u662f\u57fa\u4e8e\u8282\u70b9\u7684\u8bed\u8a00\uff0c\u6240\u4ee5\u811a\u672c\u4e5f\u662f\u5c01\u88c5\u5728Script\u8fd9\u4e2a\u7279\u6b8a\u8282\u70b9\u4e2d\u7684\u3002\u8fd9\u91cc\u6211\u4eec\u4e0d\u8fc7\u591a\u8ba8\u8bba\u811a\u672c\u63cf\u8ff0\u8bed\u8a00\u7684\u7ec6\u8282\uff0c\u4e3b\u8981\u8ba8\u8bba\u628a\u811a\u672c\u96c6\u6210\u5230VRML\u6587\u4ef6\u4e2d\u7684\u65b9\u6cd5\u3002<\/p>\n \u4e0a\u9762\u6211\u4eec\u66fe\u628a\u63a5\u89e6\u68c0\u6d4b\u5668touchBox \u548c\u89c6\u70b9view2\u76f4\u63a5\u901a\u8fc7\u8def\u5f84\u8fde\u63a5\u8d77\u6765\uff0c\u73b0\u5728\u8981\u5b9a\u4e49\u6211\u4eec\u6307\u5b9a\u7684\u884c\u4e3a\uff0c\u5c31\u9700\u8981\u5728\u4e8c\u8005\u4e4b\u95f4\u63d2\u5165\u4e00\u4e2a\u811a\u672c\u8282\u70b9\uff0c\u4e5f\u5c31\u662f\u8ba9\u8def\u5f84\u7ed5\u4e2a\u5f2f\uff1a ROUTE touchBox.isActive TO touchScript.touchBoxIsActive <\/p>\n ROUTE touchScript.bindView2 TO view2.set_bind<\/p>\n \u5176\u4e2d\u7684\u811a\u672c\u8282\u70b9touchScript\u6709\u4e00\u4e2a\u4e8b\u4ef6\u4eba\u53e3touchBoxIsActive\u548c\u4e00\u4e2a\u4e8b\u4ef6\u51fa\u53e3bind_View2,\u524d\u8005\u63a5\u6536\u6765\u81ea\u63a5\u89e6\u68c0\u6d4b\u5668touchBox\u7684\u4e8b\u4ef6\uff0c\u7136\u540e\u7ecf\u81ea\u5df1\u7684\u811a\u672c\u5904\u7406\u540e\uff0c\u628a\u7ed3\u679c\u53d1\u9001\u7ed9\u89c6\u70b9\u8282\u70b9view2:<\/p>\n DEF touchScript Script {<\/p>\n eventIn SFBool touchBoxIsActive <\/p>\n eventOut SFBool bindView2<\/p>\n url”javescript:<\/p>\n function touchBoxIsActive(active) {<\/p>\n bindView2= TRUE;<\/p>\n }”<\/p>\n }<\/p>\n \u5173\u4e8e\u8fd9\u4e2aScript\u8282\u70b9\uff0c\u8bf7\u6ce8\u610f\u4e00\u4e0b\u51e0\u70b9\uff1a\uff081\uff09\u5b83\u7684\u4e8b\u4ef6\u5165\u53e3touchBoxIsActive\u548c\u4e8b\u4ef6\u51fa\u53e3bindView2\u662f\u81ea\u5b9a\u4e49\u7684\uff0c\u5176\u5b83VRML\u8282\u70b9\u7684\u57df\u548c\u4e8b\u4ef6\u90fd\u662f\u56fa\u5b9a\u7684\u3002\uff082\uff09\u4e8b\u4ef6\u5165\u53e3touchBoxIsActive(\u5373\u5165\u4e8b\u4ef6)\u548c\u4e8b\u4ef6\u51fa\u53e3bindView2(\u5373\u51fa\u4e8b\u4ef6)\u7684\u7c7b\u578b\u90fd\u662fSFBool(\u5355\u503c\u5e03\u5c14\u578b)\uff0ctouchBox\u7684\u4e8b\u4ef6\u51fa\u53e3isActive\u548cview2\u7684\u4e8b\u4ef6\u5165\u53e3set_bind\u7684\u7c7b\u578b\u4e5f\u662f\u76f8\u540c\u7684\u3002\uff083\uff09\u201curl\u201d\u662f\u811a\u672c\u8282\u70b9\u7684\u4e00\u4e2a\u57df\uff0c\u53ef\u4ee5\u76f4\u63a5\u5305\u542b\u811a\u672c\uff0c\u4e5f\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u7528URL\u5730\u5740\u6307\u793a\u7684\u811a\u672c\uff0c\u82e5\u6709\u591a\u4e2a\u5730\u5740\uff0c\u5219\u6309\u7167\u5148\u540e\u6b21\u5e8f\u83b7\u53d6\u7b2c\u4e00\u4e2a\u53ef\u5f97\u5230\u7684\u811a\u672c\u3002\uff084\uff09\u811a\u672c\u662f\u4ee5\u51fd\u6570\uff08function\uff09\u7684\u5f62\u5f0f\u7ed9\u51fa\u7684\uff0c\u51fd\u6570\u540dtouchBoxIsActive \u4e0e\u4e8b\u4ef6\u5165\u53e3\u7684\u540d\u79f0\u76f8\u540c\uff0c\u8fd9\u662f\u548cECMAScript\u8bed\u8a00\u7684\u63a5\u53e3\u7ea6\u5b9a\uff0c\u8868\u793a\u76f8\u5e94\u4e8b\u4ef6\u5165\u53e3\u6536\u5230\u4e8b\u4ef6\u540e\u8c03\u7528\u6b64\u51fd\u6570\u8fdb\u884c\u5904\u7406\u3002<\/p>\n 5.\u4e8b\u4ef6\u6d41\u7a0b\u4e0e\u5c0f\u7ed3<\/p>\n \u4e0b\u9762\u6211\u4eec\u6574\u7406\u4e00\u4e0b\u4e8b\u4ef6\u6d41\u7a0b\uff1a<\/p>\n \uff081\uff09\u7528\u6237\u5728\u65b9\u5757\u4e0a\u6309\u4e0b\u9f20\u6807\u5de6\u952e\u3002<\/p>\n \uff082\uff09\u63a5\u89e6\u68c0\u6d4b\u5668\u53d1\u51fa\u4e00\u4e2a\u201cTRUE\u201d\u4e8b\u4ef6\u3002<\/p>\n \uff083\uff09\u6b64\u4e8b\u4ef6\u8fdb\u5165\u811a\u672c\u8282\u70b9touchScript\u7684\u4e8b\u4ef6\u5165\u53e3touchBoxIsActive.<\/p>\n \uff084\uff09\u8c03\u7528\u811a\u672c\u51fd\u6570touchBoxIsActive(\u6ce8\u610f\u51fd\u6570\u5e76\u6ca1\u6709\u5224\u65ad\u5165\u4e8b\u4ef6\u7684\u503c)\u3002<\/p>\n \uff085\uff09\u51fd\u6570\u5411touchScript\u7684\u4e8b\u4ef6\u51fa\u53e3bindView2\u53d1\u9001\u4e00\u4e2a\u201cTRUE\u201d\u4e8b\u4ef6\uff08\u8fd8\u53ef\u4ee5\u8fdb\u884c\u5176\u5b83\u5224\u65ad\u6216\u6267\u884c\u5176\u5b83\u4e8b\u4ef6\uff09\u3002<\/p>\n \uff086\uff09view2\u8282\u70b9\u6536\u5230\u201cTRUE\u201d\u4e8b\u4ef6\uff0c\u6210\u4e3a\u5f53\u524d\u89c6\u70b9\u3002\u6309\u7167VRML\u7ea6\u5b9a\uff0c\u201c\u8ba4\u4e3a\u201d\u4e0a\u8ff0\u4e8b\u4ef6\u662f\u540c\u65f6\u53d1\u751f\u7684\uff0c\u4e5f\u5c31\u662f\u8fd9\u4e9b\u4e8b\u4ef6\u7684\u65f6\u95f4\u6233\u76f8\u540c\u3002<\/p>\n \uff087\uff09\u82e5\u7528\u6237\u677e\u5f00\u9f20\u6807\u5de6\u952e\uff0c\u5219\u63a5\u89e6\u68c0\u6d4b\u5668\u53d1\u51fa\u4e00\u4e2a\u201cFALSE\u201d\u4e8b\u4ef6\uff0c\u6b64\u4e8b\u4ef6\u540c\u6837\u5f15\u8d77\u811a\u672c\u51fd\u6570\u8c03\u7528\u5e76\u53d1\u9001\u201cTRUE\u201d\u4e8b\u4ef6\uff0c\u6240\u4ee5view2\u4ecd\u7136\u4fdd\u6301\u4e3a\u5f53\u524d\u89c6\u70b9\u3002<\/p>\n \u672c\u8282\u7684\u5b8c\u6574\u4ee3\u7801\u662f\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n DEF view1 Viewpoint {<\/p>\n position 0 0 20<\/p>\n description “view1”<\/p>\n }<\/p>\n DEF view2 Viewpoint {<\/p>\n position 5 0 20<\/p>\n description “view2”<\/p>\n }<\/p>\n Group {<\/p>\n children [<\/p>\n DEF box Transform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n DEF touchBox TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n DEF sphere Transform {<\/p>\n translation 0 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 1 0}<\/p>\n }<\/p>\n geometry Sphere {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF cone Tranform {<\/p>\n transltion -5 0 0 <\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 0 1 }<\/p>\n }<\/p>\n geometry Cone {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n ] #end of Group children <\/p>\n }<\/p>\n DEF touchScript Script {<\/p>\n eventIn SFBool touchBoxIsActive <\/p>\n eventOut SFBool bindView2<\/p>\n url “javascript :<\/p>\n function touchBoxIsActive (active) {<\/p>\n bindView2 = TRUE;<\/p>\n }”<\/p>\n }<\/p>\n ROUTE touchBox.isActive TO touchScript.touchBoxIsActive <\/p>\n ROUTE touchScript.bindView2 TO view2.set_bind<\/p>\n \u5c0f\u7ed3\uff1a\u672c\u8282\u5efa\u7acb\u7684\u865a\u62df\u5883\u754c\u5e76\u4e0d\u590d\u6742\uff0c\u4f46\u6d89\u53ca\u5230\u4e86VRML2.0\u6700\u57fa\u7840\u6027\u7684\u529f\u80fd\u548c\u6982\u5ff5\uff1a\u5229\u7528\u68c0\u6d4b\u5668\u4ea7\u751f\u4e8b\u4ef6\u3001\u5229\u7528\u8def\u7531\u4f20\u9012\u4e8b\u4ef6\u4ee5\u53ca\u5229\u7528\u811a\u672c\u7f16\u5199\u81ea\u5b9a\u4e49\u884c\u4e3a\uff0c\u638c\u63e1\u4e86\u8fd9\u4e9b\u5185\u5bb9\u4e5f\u5c31\u638c\u63e1\u4e86VRML2.0\u7684\u6838\u5fc3\u3002\u5728\u540e\u9762\u7684\u51e0\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u7d22\u4e00\u4e9b\u4e13\u9898\u6027\u7684\u6709\u8da3\u529f\u80fd\uff0c\u800c\u672c\u8282\u662f\u57fa\u7840\uff0c\u56e0\u800c\u5fc5\u987b\u900f\u5f7b\u7406\u89e3\u3002<\/p>\n \u7b2c\u4e09\u8282 \u90bb\u8fd1\u68c0\u6d4b\u5668<\/p>\n \u672c\u8282\u8ba8\u8bba\u90bb\u8fd1\u68c0\u6d4b\u5668\uff08proximitySensor),\u5f53\u7528\u6237\u8fdb\u5165\u6216\u79bb\u5f00\u90bb\u8fd1\u68c0\u6d4b\u5668\u6240\u5212\u5b9a\u7684\u533a\u57df\u65f6\u5c31\u4f1a\u89e6\u53d1\u5b83\u3002\u6b63\u5982\u4f60\u5728\u6807\u51c6\u4e2d\u53ef\u4ee5\u67e5\u5230\u7684\u90a3\u6837\uff0cProximitySensor\u8282\u70b9\u5b9a\u4e49\u4e3a\uff1a<\/p>\n ProximitySensor {<\/p>\n exposedField SFVec3f center 0 0 0<\/p>\n exposedField SFVec3f size 0 0 0<\/p>\n exposedField SFBool enabled TRUE <\/p>\n eventOut SFBool isActive <\/p>\n eventOut SFVec3f position_changed<\/p>\n eventOut SFRotation orientation_changed<\/p>\n eventOut SFTime enterTime <\/p>\n eventOut SFTime exitTime<\/p>\n }<\/p>\n \u8fd9\u91cc\u7a0d\u4f5c\u4ecb\u7ecd\u3002ProximitySensor\u8282\u70b9\u5171\u6709\u4e09\u4e2a\u5916\u9732\u57df\uff08exposedField)\u548c\u4e94\u4e2a\u51fa\u4e8b\u4ef6\uff08eventOut\uff09.\u51fa\u4e8b\u4ef6\u6211\u4eec\u5df2\u7ecf\u719f\u6089\uff0c\u662f\u8282\u70b9\u72b6\u6001\u53d1\u751f\u6539\u53d8\u65f6\u7528\u6765\u901a\u77e5\u5176\u5b83\u8282\u70b9\u7684\uff0c\u8fd9\u91cc\u7684\u51fa\u4e8b\u4ef6isActive \u7528\u4e8eProximitySensor\u901a\u62a5\u81ea\u5df1\u5df2\u88ab\u6fc0\u6d3b\u3002enterTime\u548cexitTime\u901a\u62a5\u7528\u6237\uff08\u4ee3\u8868\u7528\u6237\u7684\u7528\u6237\u5316\u8eab\u6216\u6307\u793a\u5668\uff09\u8fdb\u5165\u548c\u9000\u51faProximitySensor\u68c0\u6d4b\u533a\u7684\u65f6\u523b\u3002\u82e5\u7528\u6237\u5df2\u5728\u68c0\u6d4b\u5668\u4e4b\u5185\uff0c\u5219\u5f53\u7528\u6237\u7684\u4f4d\u7f6e\u6216\u65b9\u4f4d\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u9001\u51faposition_changed\u548corientation_changed\u51fa\u4e8b\u4ef6\u8fd9\u4e94\u4e2a\u51fa\u4e8b\u4ef6\u8054\u5408\u8d77\u6765\uff0c\u5c31\u5b9a\u4e49\u4e86\u90bb\u8fd1\u68c0\u6d4b\u5668\u7684\u529f\u80fd\u3002\u5916\u9732\u57df\u5219\u96c6\u57df\uff08Field\uff09\u3001\u5165\u4e8b\u4ef6\uff08eventIn\uff09\u548c\u51fa\u4e8b\u4ef6\uff08eventOut\uff09\u4e09\u8005\u7684\u529f\u80fd\u4e8e\u4e00\u8eab\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u65e2\u8c61\u57df\u4e00\u6837\u63cf\u8ff0\u4e86\u8282\u70b9\u7684\u5f53\u524d\u72b6\u6001\uff0c\u53c8\u53ef\u4ee5\u4f5c\u4e3a\u5165\u4e8b\u4ef6\u7531\u5176\u5b83\u8282\u70b9\u4fee\u6539\u8fd9\u79cd\u72b6\u6001\uff0c\u5e76\u4f5c\u4e3a\u51fa\u4e8b\u4ef6\u628a\u8fd9\u79cd\u6539\u53d8\u901a\u77e5\u5176\u5b83\u8282\u70b9\u3002\u8fd9\u91cc\u7684enabled\u5916\u9732\u57df\u662f\u5e03\u5c14\u578b\u7684\uff0c\u7528\u4e8eProximitySensor\u7684\u542f\u7528\u548c\u505c\u7528\uff0ccenter\u548csize\u5b9a\u4e49\u5f62\u4e3a\u957f\u65b9\u4f53\u7684\u90bb\u8fd1\u68c0\u6d4b\u533a\u3002<\/p>\n \u6211\u4eec\u7684\u51fa\u53d1\u70b9\u662f\u7b2c\u4e00\u8282\u4e2d\u5efa\u9020\u7684\u5883\u754chelloworld,\u5b83\u662f\u7531\u65b9\u5757\u3001\u7403\u4f53\u548c\u5706\u67f1\u8fd9\u4e09\u4e2a\u7269\u4f53\u6784\u6210\u7684\u9759\u6001\u4e16\u754c\uff0c\u73b0\u5728\u5728\u7403\u4f53\u5468\u56f4\u589e\u52a0\u4e00\u4e2a\u90bb\u8fd1\u68c0\u6d4b\u533a\uff1a<\/p>\n DEF sphere Transform {<\/p>\n translation 0 0 0<\/p>\n children [<\/p>\n Shape {….}<\/p>\n DEF comeClose ProximitySensor {<\/p>\n center 0 0 0<\/p>\n size 4 4 4<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n ProximitySensor\u7684\u540d\u5b57\u4e3acomeCloser,\u90bb\u8fd1\u533a\u7684\u4e2d\u5fc3\u548c\u7403\u4f53\u7684\u7403\u5fc3\u91cd\u5408\uff0c\u5f62\u72b6\u4e3a\u6b63\u65b9\u4f53\uff0c\u8fb9\u957f\u4e3a4\u7c73\uff0c\u662f\u7403\u4f53\u76f4\u5f84\u7684\u4e24\u500d\u3002\u5f53\u7528\u6237\u8d70\u8fdb\u7403\u4f53\u65f6\u5c31\u4f1a\u89e6\u53d1\u8fd9\u4e2a\u90bb\u8fd1\u68c0\u6d4b\u5668\uff0c\u68c0\u6d4b\u5668\u53d1\u51faisActive\u4e8b\u4ef6\uff0c\u6211\u4eec\u628a\u8fd9\u4e2a\u4e8b\u4ef6\u51fa\u53e3\u901a\u8fc7\u8def\u7531\u6307\u5411Script\u8282\u70b9\uff08\u7528\u6765\u7ed1\u5b9a\u89c6\u70b92\uff09\uff1a<\/p>\n DEF comeCloserScript Script {<\/p>\n eventIn SFBool enterProximitySensorIsActive <\/p>\n eventOut SFBool bindView2<\/p>\n url ” javascript :<\/p>\n function enterProximitySensorIsActive (active) {<\/p>\n bindView2=TRUE;<\/p>\n } “<\/p>\n }<\/p>\n \u968f\u540e\uff0c\u6211\u4eec\u5728\u90bb\u8fd1\u68c0\u6d4b\u5668\u7684\u51fa\u4e8b\u4ef6isActive\u548c\u811a\u672c\u8282\u70b9comeCloserScript\u7684\u5165\u4e8b\u4ef6enterProximitySensorIsActive\u4e4b\u95f4\u5efa\u7acb\u8def\u7531\uff0c\u540e\u8005\u6536\u5230\u4e8b\u4ef6\u540e\u6267\u884c\u51fd\u6570enterProximitySensroIsActive,\u51fd\u6570\u53d1\u51fabindView2\u51fa\u4e8b\u4ef6\uff0c\u8fd9\u4e2a\u51fa\u4e8b\u4ef6\u901a\u8fc7\u8def\u7531\u8fde\u63a5\u5230\u89c6\u70b9\u8282\u70b9View2:<\/p>\n ROUTE comeCloser.isActive TO comeCloserScript.enterProximitySensorIsActive<\/p>\n ROUTE comeCloserScript.bindView2 TO view2.set_bind<\/p>\n \u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u65e6\u7528\u6237\u8fdb\u5165\u90bb\u8fd1\u533a\uff0c\u5883\u754c\u7684\u5f53\u524d\u89c6\u70b9\u5c06\u8f6c\u6362\u6210View2.\u8fd9\u4e2a\u7531\u4e24\u4e2a\u89c6\u70b9\u3001\u4e09\u4e2a\u7269\u4f53\u3001\u4e00\u4e2a\u90bb\u8fd1\u68c0\u6d4b\u5668\u548c\u4e00\u4e2a\u811a\u672c\u8282\u70b9\u7ec4\u6210\u7684\u5883\u754c\u7684\u5b8c\u6574\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n DEF view1 Viewpoint {<\/p>\n position 0 0 20<\/p>\n description “view1”<\/p>\n }<\/p>\n DEF view2 Viewpoint {<\/p>\n position 0 0 20<\/p>\n description “view2”<\/p>\n }<\/p>\n Group {<\/p>\n children [<\/p>\n DEF box Transform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF sphere Transform {<\/p>\n translation 0 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 1 0 }<\/p>\n }<\/p>\n geometry Sphere {}<\/p>\n }<\/p>\n DEF comeCloser ProximitrySensor {<\/p>\n center 0 0 0<\/p>\n size 4 4 4<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF cone Transform {<\/p>\n translation -5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 0 1}<\/p>\n }<\/p>\n geometry Cone {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n ]#end of Group children <\/p>\n }<\/p>\n DEF comeCloserScript Script {<\/p>\n eventIn SFBool enterProximitySensorIsActive <\/p>\n eventOut SFBool bindView2<\/p>\n url “javascript :<\/p>\n function enterProximitySensorIsActive(active) {<\/p>\n bindView2=TRUE;<\/p>\n }”<\/p>\n }<\/p>\n ROUTE comeCloser.isActive TO comeCloserScript.enterProximitySensorIsActive <\/p>\n ROUTE comeCloserScript.bindView2 TO view2.set_bind<\/p>\n \u542f\u52a8VRML\u6d4f\u89c8\u5668\u8fdb\u5165\u5883\u754c\uff0c\u9762\u5411\u7403\u4f53\u4e00\u76f4\u8d70\u8fc7\u53bb\uff0c\u5f53\u4f60\u521a\u521a\u611f\u5230\u9760\u8fd1\u7403\u4f53\u65f6\uff0c\u4f1a\u7a81\u7136\u611f\u5230\u81ea\u5df1\u540e\u9000\u4e86\u4e00\u5927\u6b65\uff08\u6216\u8005\u8bf4\u7269\u4f53\u8df3\u5230\u524d\u65b9\u66f4\u8fdc\u7684\u5730\u65b9\uff09\uff0c\u8fd9\u8868\u660e\u90bb\u8fd1\u68c0\u6d4b\u5668\u5df2\u7ecf\u68c0\u6d4b\u5230\u4f60\u7684\u9760\u8fd1\uff0c\u5b83\u628a\u8fd9\u4ef6\u4e8b\u901a\u77e5\u811a\u672c\u8282\u70b9\uff0c\u811a\u672c\u8282\u70b9\u628a\u89c6\u70b9View2\u7ed1\u5b9a\u6210\u5f53\u524d\u89c6\u70b9\uff0c\u4ece\u800c\u4f7f\u4f60\u611f\u5230\u89c6\u70b9\u7a81\u7136\u6539\u53d8\u3002<\/p>\n \u518d\u7a0d\u7a0d\u4fee\u6539\u4e00\u4e0b\u90bb\u8fd1\u68c0\u6d4b\u5668\uff0c\u628a\u5b83\u7684\u4e2d\u5fc3\u4f4d\u7f6e\u5411\u53f3\u79fb\u4e862\u7c73\uff1a<\/p>\n DEF comeCloser ProximitySensor {<\/p>\n center 2 0 0<\/p>\n size 4 4 4<\/p>\n }<\/p>\n \u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u4ece\u5de6\u8fb9\uff08\u65b9\u5757\u90a3\u4e00\u8fb9\uff09\u8d70\u8fdb\u7403\u4f53\uff08\u89c6\u70b9\u4e0d\u8df3\uff09\uff0c\u4f46\u4e0d\u80fd\u4ece\u53f3\u8fb9\uff08\u5706\u9525\u90a3\u4e00\u8fb9\uff09\u8d70\u8fd1\u5b83\uff08\u89c6\u70b9\u8df3\u8f6c\uff09\u3002<\/p>\n \u603b\u4e4b\uff0cProximitySensor\u80fd\u591f\u68c0\u6d4b\u7528\u6237\u662f\u5426\u8fdb\u5165\u6216\u79bb\u5f00\u68c0\u6d4b\u5668\u6307\u5b9a\u7684\u7a7a\u95f4\u533a\u57df\uff0c\u5178\u578b\u7528\u6cd5\u662f\u5f53\u7528\u6237\u8d70\u8fdb\u623f\u95f4\u65f6\u5f00\u542f\u706f\u5149\uff0c\u5f53\u7528\u6237\u79bb\u5f00\u65f6\u5173\u95ed\u706f\u5149\uff0c\u4ece\u800c\u5efa\u7acb\u529f\u80fd\u4e30\u5bcc\u7684\u201c\u667a\u80fd\u201d\u7a7a\u95f4\u3002<\/p>\n \u7b2c\u56db\u8282 \u8fde\u7eed\u52a8\u753b<\/p>\n \u5728\u7b2c\u4e8c\u8282\u4e2d\u6211\u4eec\u5df2\u7ecf\u4f7f\u7528\u8fc7\u63a5\u89e6\u68c0\u6d4b\u5668\uff0c\u5f53\u6211\u4eec\u628a\u9f20\u6807\u6307\u9488\u653e\u5230\u65b9\u5757\uff08\u8fd9\u4e2a\u51e0\u4f55\u8282\u70b9\u5305\u542b\u63a5\u89e6\u68c0\u6d4b\u5668\uff09\u4e0a\u9762\u65f6\uff0c\u6307\u9488\u5f62\u72b6\u53d1\u751f\u53d8\u5316\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u5df2\u7ecf\u8fdb\u5165\u68c0\u6d4b\u533a\uff0c\u5982\u679c\u6309\u4e0b\u9f20\u6807\u5de6\u94ae\uff0c\u5219\u6309\u7167\u6211\u4eec\u7684\u5b9a\u4e49\uff0c\u5f53\u524d\u89c6\u70b9\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n \u8fd9\u4e00\u8282\u4ecd\u7136\u5236\u4f5c\u8fd9\u6837\u4e00\u4e2a\u5bf9\u63a5\u89e6\u6709\u53cd\u5e94\u7684\u65b9\u5757\uff0c\u53ea\u662f\u63a5\u89e6\u540e\u5b83\u4f1a\u8fde\u7eed\u4e0d\u65ad\u5730\u8f6c\u52a8\uff0c\u52a8\u753b\u884c\u4e3a\u53ef\u4ee5\u7528\u65f6\u95f4\u68c0\u6d4b\u5668\uff08TimeSensor\uff09\u9a71\u52a8\uff0c\u800c\u4e0d\u65ad\u53d8\u5316\u7684\u65cb\u8f6c\u503c\u53ef\u7528\u811a\u672c\u8282\u70b9\u6216\u671d\u5411\u63d2\u8865\u5668\uff08orientationInterpolator\uff09\u7ed9\u51fa\u3002<\/p>\n 1\u3002\u63a5\u89e6\u68c0\u6d4b\u5668<\/p>\n \u4f5c\u4e3a\u5f00\u59cb\u7684\u57fa\u672c\u4ee3\u7801\u662f\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n DEF cube Transform {<\/p>\n rotation 1 1 1 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n DEF TouchS TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n DEF revolver Script {<\/p>\n eventIn SFBool startRevolving<\/p>\n eventOut SFRotation revolve<\/p>\n field SFFloat angle 0<\/p>\n url “javascript :<\/p>\n function startRevolving () {<\/p>\n revolve[0]=1;<\/p>\n revolve[1]=1;<\/p>\n revolve[2]=1;<\/p>\n revolve[3]=angle;<\/p>\n angle+=0.1;<\/p>\n }”<\/p>\n }<\/p>\n ROUTE TouchS.isOver TO revolver.startRevolving<\/p>\n ROUTE revolver.revolve TO cube.set_rotation <\/p>\n \u5176\u4e2d\uff0c\u65b9\u5757cube\u5305\u542b\u4e24\u4e2a\u5b50\u8282\u70b9\uff0c\u524d\u8005\u5b9a\u4e49\u4e86\u5b83\u7684\u5f62\u6001\uff08\u7ea2\u8272\u7684\u5355\u4f4d\u7acb\u65b9\u4f53\uff09\uff0c\u540e\u8005\u628a\u5b83\u5b9a\u4e49\u6210\u63a5\u89e6\u68c0\u6d4b\u5668\u3002\u6ce8\u610f\uff0ccube\u7684\u7c7b\u578b\u662fTransform\u8282\u70b9\uff0c\u5b83\u7684rotation \u57df\u662f\u5916\u9732\u57df\uff0c\u6307\u5b9a\u672c\u7ec4\u76f8\u5bf9\u4e8e\u4e0a\u5c42\u5750\u6807\u7cfb\u7684\u65cb\u8f6c\u503c\uff0c\u8fd9\u91cc\u6307\u5b9a\u7684\u521d\u59cb\u503c\u662f\u201c1 1 1 0 \u201d\uff0c\u5176\u4e2d\u524d\u4e09\u4e2a\u6570\u503c\u5b9a\u4e49\u65cb\u8f6c\u8f74\uff0c\u6700\u540e\u4e00\u4e2a\u503c\u5b9a\u4e49\u65cb\u8f6c\u89d2\u3002\u7531\u4e8e\u5b83\u662f\u5916\u9732\u57df\uff0c\u56e0\u800c\u53ef\u4ee5\u901a\u8fc7\u5165\u4e8b\u4ef6\uff08\u540d\u4e3aset_rotation\uff09\u8fdb\u884c\u4fee\u6539\uff0c\u4e0b\u9762\u5b9a\u4e49\u7684\u52a8\u6001\u884c\u4e3a\u5c31\u662f\u8fd9\u6837\u5b9e\u73b0\u7684\u3002<\/p>\n Script\u8282\u70b9revolver\u7684\u6838\u5fc3\u662f\u5185\u8054\u7684ECMAScript\u811a\u672c\u51fd\u6570\u3002\u5b83\u7ed9\u5b9a\u4e00\u4e2a\u4e0d\u65ad\u53d8\u5316\u7684\u65cb\u8f6c\u503c\u3002\u5f53\u9f20\u6807\u6307\u9488\u79fb\u52a8\u5230\u65b9\u5757\u4e4b\u4e0a\u65f6\uff0c\u63a5\u89e6\u68c0\u6d4b\u5668\u53d1\u51faisOver,\u548c\u7b2c\u4e00\u8282\u4e2d\u91c7\u7528\u7684isActive\u4e8b\u4ef6\u4e0d\u540c\uff0cisOver\u53ea\u6709\u5728\u9f20\u6807\u5de6\u94ae\u6309\u4e0b\u65f6\u624d\u4f1a\u53d1\u51fa\u3002isOver\u4e8b\u4ef6\u901a\u8fc7\u8def\u7531\u4f20\u9012\u7ed9\u811a\u672c\u8282\u70b9\u7684\u4e8b\u4ef6\u5165\u53e3startRevolving,\u4ece\u800c\u542f\u52a8\u51fd\u6570startRevolving,\u51fd\u6570\u5c06\u4e00\u4e2a\u65b0\u7684\u65cb\u8f6c\u503c\u53d1\u5f80\u4e8b\u4ef6\u51fa\u53e3revolve,\u8fd9\u4e2a\u65cb\u8f6c\u503c\u901a\u8fc7\u8def\u7531\u8fdb\u5165cube\u7684\u5916\u9732\u57dfrotation,\u4fee\u6539\u4e86\u65b9\u5757\u7684\u65cb\u8f6c\u89d2\uff0c\u5f15\u8d77\u5b83\u7684\u671d\u5411\u53d8\u5316\u3002\u9f20\u6807\u6307\u9488\u5728cube\u4e0a\u9762\u7684\u6bcf\u6b21\u65b9\u4f4d\u53d8\u5316\u90fd\u5f15\u8d77isOver\u4e8b\u4ef6\u53d1\u9001\u4e00\u6b21\uff0c\u4ece\u800c\u5bfc\u81f4\u65b9\u5757\u65cb\u8f6c\u4e00\u6b21\u3002<\/p>\n 2\u3002\u65f6\u95f4\u68c0\u6d4b\u5668<\/p>\n \u4e3a\u4e86\u4f7f\u65b9\u5757\u80fd\u591f\u8fde\u7eed\u65cb\u8f6c\uff0c\u9700\u8981\u5f15\u8fdb\u7b49\u95f4\u9694\u8fde\u7eed\u53d1\u9001\u7684\u65f6\u95f4\u5e8f\u5217\uff0c\u8fd9\u6b63\u662f\u65f6\u95f4\u68c0\u6d4b\u5668\u7684\u7528\u6b66\u4e4b\u5730\u3002\u65f6\u95f4\u68c0\u6d4b\u5668\u968f\u7740\u65f6\u95f4\u63a8\u79fb\u4e0d\u65ad\u4ea7\u751f\u4e8b\u4ef6\uff0c\u53ef\u7528\u4e8e\u591a\u79cd\u76ee\u7684\uff0c\u5305\u62ec\uff1a a. \u9a71\u52a8\u8fde\u7eed\u6027\u7684\u4eff\u771f\u548c\u52a8\u753b<\/p>\n b. \u63a7\u5236\u5468\u671f\u6027\u7684\u6d3b\u52a8\uff08\u5982\u6bcf\u5206\u949f\u4e00\u6b21\uff09<\/p>\n c. \u521d\u59cb\u5316\u5355\u72ec\u4e8b\u4ef6\uff0c\u5982\u62a5\u8b66\u949f<\/p>\n \u4e0b\u9762\u662f\u6211\u4eec\u8981\u7528\u7684\u65f6\u95f4\u68c0\u6d4b\u5668\u548c\u4fee\u6539\u540e\u7684\u8def\u7531\u5173\u7cfb\uff1a<\/p>\n DEF ticker TimeSensor {<\/p>\n cleInterval 0.1<\/p>\n loop TRUE<\/p>\n enabled FALSE<\/p>\n }<\/p>\n ROUTE TouchS.isOver TO ticker.set_enabled<\/p>\n ROUTE ticker.cycleTime TO revolver.startRevolving<\/p>\n ROUTE revolver.revolve TO cube.set_rotation <\/p>\n enabled\u7528\u4e8e\u542f\u7528\u548c\u505c\u7528\u65f6\u95f4\u68c0\u6d4b\u5668\uff0c\u5f00\u59cb\u65f6\u5b83\u5904\u4e8e\u505c\u7528\u72b6\u6001\uff0c\u4ee5\u540e\u7531\u63a5\u89e6\u68c0\u6d4b\u5668\u7684isOver\u4e8b\u4ef6\u4fee\u6539\u8fd9\u4e00\u72b6\u6001\u3002\u542f\u7528\u7684\u65f6\u95f4\u68c0\u6d4b\u5668\u6bcf\u96940.1\u79d2\u9001\u51fa\u4e00\u4e2acycleTime\u4e8b\u4ef6\uff0c\u5e76\u7528\u5b83\u6765\u89e6\u53d1revolver\u7684startRevolving\u4e8b\u4ef6\uff0c\u6ce8\u610f\uff0ccycleTime\u4e8b\u4ef6\u7684\u7c7b\u578b\u4e3aSFTime,\u800c\u8def\u7531\u4e24\u7aef\u4e8b\u4ef6\u7684\u7c7b\u578b\u5fc5\u987b\u5339\u914d\uff0c\u6240\u4ee5\u5c3d\u7ba1\u8fd9\u91cc\u6211\u4eec\u4e0d\u5173\u5fc3\u8fd9\u4e2a\u4e8b\u4ef6\u8868\u793a\u7684\u5177\u4f53\u65f6\u523b\uff0c\u8fd8\u662f\u628arevolver\u7684startRevolving\u4e8b\u4ef6\u7c7b\u578b\u4e5f\u6539\u4e3aSFTime.\u8fd9\u6837\uff0crevolver\u7684\u51fd\u6570startRevolving()\u5c31\u4f1a\u6bcf0.1\u79d2\u8c03\u7528\u4e00\u6b21\uff0c\u4ece\u800c\u9a71\u52a8\u65b9\u5757\u8fde\u7eed\u65cb\u8f6c\u3002\u5b8c\u6574\u7684\u4ee3\u7801\u662f\uff1a<\/p>\n #VRML V2.0 utf8 <\/p>\n DEF cube Transform {<\/p>\n rotation 1 1 1 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geoemtry Box {}<\/p>\n }<\/p>\n DEF TouchS TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n DEF revolver Script {<\/p>\n eventIn SFTime startRevolving<\/p>\n eventOut SFRotation revolve<\/p>\n field SFFloat angle 0<\/p>\n url “vrmlscript :<\/p>\n function startRevolving () {<\/p>\n revolve[0]=1;<\/p>\n revolve[1]=1;<\/p>\n revolve[2]=1;<\/p>\n revolve[3]=angle;<\/p>\n angle+=0.1;<\/p>\n }”<\/p>\n }<\/p>\n DEF ticker TimeSensor {<\/p>\n cycleInterval 0.1<\/p>\n loop TRUE<\/p>\n enabled FALSE<\/p>\n }<\/p>\n ROUTE TouchS.isOver TO ticker.set_enabled<\/p>\n ROUTE ticker.cycleTime TO revolver.startRevolving<\/p>\n ROUTE revolver.revolve TO cube.set_rotation<\/p>\n \u4e0a\u8ff0\u811a\u672c\u8282\u70b9\u7684\u529f\u80fd\u6bd4\u8f83\u7b80\u5355\uff0c\u53ea\u662f\u4e0d\u65ad\u9001\u51fa\u8c03\u6574\u7684\u65cb\u8f6c\u503c\uff0c\u5b83\u662f\u5173\u952e\u5e27\u52a8\u753b\u7684\u4e00\u79cd\u3002\u7531\u4e8e\u5173\u952e\u5e27\u52a8\u753b\u5341\u5206\u5e38\u7528\uff0c\u6545VRML\u4e13\u95e8\u5b9a\u4e49\u4e86\u63d2\u8865\u5668\u8282\u70b9\u6765\u5b9e\u73b0\u5b83\u3002<\/p>\n 3\u3002 \u671d\u5411\u63d2\u8865\u5668<\/p>\n \u63d2\u8865\u5668\u8282\u70b9\u53ef\u8ba4\u4e3a\u662fVRML\u5185\u7f6e\u7684\u811a\u672c\u8282\u70b9\uff0c\u5b83\u4eec\u6267\u884c\u7b80\u5355\u7684\u52a8\u6001\u8ba1\u7b97\uff0c\u901a\u5e38\u548c\u65f6\u95f4\u68c0\u6d4b\u5668\u6216\u8005\u80fd\u591f\u4f7f\u5bf9\u8c61\u4ea7\u751f\u52a8\u4f5c\u7684\u8282\u70b9\u7ed3\u5408\u5728\u4e00\u8d77\u4f7f\u7528\uff0c\u751f\u6210\u7ebf\u6027\u5173\u952e\u5e27\u52a8\u753b\u3002\u63d2\u8865\u5668\u8282\u70b9\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u7531\u5173\u952e\u70b9\u548c\u5bf9\u5e94\u5173\u952e\u503c\u5b9a\u4e49\u7684\u5206\u6bb5\u7ebf\u5f62\u51fd\u6570\u3002\u6839\u636e\u63d2\u503c\u7c7b\u578b\u7684\u4e0d\u540c\uff0cVRML\u5171\u5b9a\u4e49\u516d\u4e2a\u63d2\u8865\u5668\u8282\u70b9\uff1aColorInterpolator(\u989c\u8272\u63d2\u8865\u5668)\u3001CoordinateInterpolator(\u5750\u6807\u63d2\u8865\u5668)\u3001NormalInterpolator(\u6cd5\u7ebf\u63d2\u8865\u5668)\u3001OrientationInterpolator(\u671d\u5411\u63d2\u8865\u5668\uff09\u3001positionInterpolator(\u4f4d\u7f6e\u63d2\u8865\u5668)\u3001ScalarInterpolator(\u6807\u91cf\u63d2\u8865\u5668)\u3002<\/p>\n \u6240\u6709\u63d2\u8865\u5668\u7684\u57df\u548c\u4e8b\u4ef6\u90fd\u662f\u7c7b\u4f3c\u7684\uff1a<\/p>\n eventIn SFFloat set_fruction <\/p>\n exposedField MFFloat key […]<\/p>\n exposedField MF<type> keyValue […..]<\/p>\n eventOut [S|M]F<type> value_changed<\/p>\n \u5173\u952e\u503c\u57dfkeyValue\u7684\u7c7b\u578b\u51b3\u5b9a\u4e86\u63d2\u8865\u5668\u7684\u7c7b\u578b\uff08\u4f8b\u5982\uff0cOrientationInterpolator\u7684keyValue\u57df\u7684\u7c7b\u578b\u662fMFFloat\uff09.\u5165\u4e8b\u4ef6set_fraction\u63a5\u6536SFFloat\u578b\u7684\u4e8b\u4ef6\uff0c\u63d2\u8865\u5668\u968f\u5373\u6839\u636e\u5b83\u8fdb\u884c\u63d2\u503c\uff0c\u5e76\u901a\u8fc7\u51fa\u4e8b\u4ef6value_changed\u9001\u51fa\u63d2\u503c\u7ed3\u679c\u3002<\/p>\n \u8fd9\u91cc\u6211\u4eec\u628a\u65f6\u95f4\u68c0\u6d4b\u5668\u7684fraction_changed\u4e8b\u4ef6\u4f5c\u4e3a\u63d2\u8865\u5668\u7684\u8f93\u5165\uff0c\u8fd9\u4e2a\u4e8b\u4ef6\u662f\u4e00\u4e2a[0,1]\u533a\u95f4\u7684\u503c\uff0c\u6bcf\u4e2a\u65f6\u95f4\u6b65\u90fd\u9001\u51fa\u4e00\u6b21\uff0c\u8868\u793a\u5f53\u524d\u5468\u671f\u5185\u5df2\u8fc7\u53bb\u7684\u65f6\u95f4\u76f8\u5bf9\u4e8e\u6574\u4e2a\u5468\u671f\u7684\u6bd4\u4f8b\uff0c\u662f\u63d2\u8865\u5668\u5e38\u7528\u7684\u8f93\u5165\u6e90\u4e4b\u4e00\u3002\u4e0e\u6b64\u5bf9\u5e94\uff0c\u6211\u4eec\u628a\u63d2\u8865\u5668\u5173\u952e\u5e27\u7684\u53d6\u503c\u4e5f\u5b9a\u4e49\u5728[0,1]\u8303\u56f4\u5185\u3002\u4e0e0\u548c1\u8fd9\u4e24\u4e2a\u5173\u952e\u5e27\u5bf9\u5e94\u7684\u5173\u952e\u503c\u7684\u65cb\u8f6c\u8f74\u662f\u76f8\u540c\u7684\uff0c\u53ea\u662f\u65cb\u8f6c\u89d2\u5ea6\u4e0d\u540c\uff080,3.14159\uff09,\u8fd9\u6837\u65b9\u4f4d\u63d2\u8865\u5668\u8f93\u51fa\u7684\u65cb\u8f6c\u503c\u7684\u65cb\u8f6c\u8f74\u56fa\u5b9a\u4e0d\u53d8\uff0c\u65cb\u8f6c\u89d2\u4ece0\u9012\u589e\u52303.14159,\u7136\u540e\u4e0d\u65ad\u91cd\u590d\u3002<\/p>\n #VRML V2.0 utf8<\/p>\n DEF cube Transform {<\/p>\n rotation 1 1 1 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n DEF TouchS TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n DEF revolver orientationInterpolator {<\/p>\n key [0,1]<\/p>\n keyValue [ 0.5 0.5 0.5 0,0.5 0.5 0.5 3.14149]<\/p>\n }<\/p>\n DEF ticker TimeSensor {<\/p>\n cycleInterval 2<\/p>\n loop TRUE <\/p>\n enabled FALSE <\/p>\n }<\/p>\n ROUTE TouchS.isOver TO ticker.set_enabled<\/p>\n ROUTE ticker.fraction_changed TO revolver.set_fraction<\/p>\n ROUTE revolver.value_changed TO cube.set_rotation <\/p>\n \u5c0f\u7ed3\uff1a\u672c\u8282\u5b9e\u73b0\u8fde\u7eed\u52a8\u753b\uff0c\u52a8\u753b\u7531\u63a5\u89e6\u68c0\u6d4b\u5668\u542f\u52a8\uff0c\u7531\u65f6\u95f4\u68c0\u6d4b\u5668\u9a71\u52a8\uff0c\u52a8\u753b\u672c\u8eab\u6bd4\u8f83\u7b80\u5355\uff0c\u5c31\u662f\u4e0d\u65ad\u5730\u65cb\u8f6c\u3002\u4ea7\u751f\u4e0d\u65ad\u53d8\u5316\u7684\u65cb\u8f6c\u503c\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u81ea\u5df1\u7f16\u5199\u811a\u672c\uff0c\u6216\u8005\u5229\u7528\u63d2\u8865\u5668\u8282\u70b9\u3002<\/p>\n \u7b2c\u4e94\u8282 \u52a8\u6001\u4fee\u6539\u573a\u666f\u56fe<\/p>\n \u573a\u666f\u56fe\u662f\u63cf\u8ff0\u5883\u754c\u7ed3\u6784\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u8282\u70b9\u662f\u6784\u6210\u573a\u666f\u56fe\u7684\u57fa\u672c\u5355\u5143\u3002\u7ec4\u8282\u70b9\u662f\u80fd\u591f\u5305\u542b\u5b57\u8282\u70b9\u7684\u8282\u70b9\uff0c\u7ec4\u8282\u70b9\u672c\u8eab\u8fd8\u53ef\u4f5c\u4e3a\u5176\u5b83\u7ec4\u8282\u70b9\u7684\u5b50\u8282\u70b9\uff0c\u4ece\u800c\u5f62\u6210\u5c42\u6b21\u6027\u4f53\u7cfb\u7ed3\u6784\u3002VRML\u4e2d\u7684\u7ec4\u8282\u70b9\u5305\u542bAnchor(\u951a)\u3001 Billboard(\u5e03\u544a\u724c)\u3001 Collision(\u78b0\u649e)\u3001Group (\u7ec4)\u3001Inline (\u5185\u8054)\u3001LOD(\u7ec6\u8282\u5c42\u6b21)\u3001 Switch(\u5f00\u5173)\u3001Transform(\u53d8\u6362)\u5171\u516b\u79cd\uff0c\u9664Inline\u3001LOD\u3001Switch\u8fd9\u51e0\u4e2a\u5177\u6709\u7279\u6b8a\u529f\u80fd\u5916\uff0c\u5b83\u4eec\u90fd\u5b9a\u4e49\u4e86\u5165\u4e8b\u4ef6addChildren \u548cremoveChildren ,\u524d\u8005\u7528\u4e8e\u5411\u7ec4\u8282\u70b9\u7684\u5b50\u8282\u70b9\u57dfchildren \u4e2d\u589e\u52a0\u65b0\u7684\u5b50\u8282\u70b9\uff0c\u540e\u8005\u7528\u4e8e\u4ece\u4e2d\u5220\u9664\u5b50\u8282\u70b9\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u52a8\u6001\u4fee\u6539\u573a\u666f\u56fe\u7684\u7ed3\u6784\u3002<\/p>\n \u4e0b\u9762\u662f\u6211\u4eec\u8fd9\u4e00\u8282\u8981\u5efa\u7acb\u7684\u5883\u754c\uff0c\u5f00\u59cb\u7684\u65f6\u5019\u7403\u4f53\u4f4d\u4e8e\u5de6\u8fb9\u7ea2\u8272\u65b9\u5757\u7684\u5185\u90e8\uff0c\u5728\u6309\u52a8\u5e95\u90e8\u7684\u7eff\u8272\u65b9\u5757\u540e\uff0c\u7403\u4f53\u8fdb\u5165\u53f3\u8fb9\u84dd\u8272\u65b9\u5757\u4e4b\u5185\u3002<\/p>\n \u9996\u5148\u5b9a\u4e49\u4e09\u4e2a\u65b9\u5757\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n Viewpoint { position 0 0 15 }<\/p>\n DEF leftBox Transform {<\/p>\n translation -5 0 0 <\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF rightBox Transform {<\/p>\n translation 5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 0 1 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n DEF onoff Transform {<\/p>\n translation 0 -5 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 0 1 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n \u5176\u4e2d\u5de6\u8fb9\u7684\u65b9\u5757\u4e3a\u7ea2\u8272\uff0c\u53f3\u8fb9\u7684\u65b9\u5757\u4e3a\u84dd\u8272\uff0c\u4e0b\u8fb9\u7684\u65b9\u5757\u4e3a\u7eff\u8272\uff0c\u90fd\u662fTransform\u7c7b\u578b\uff0c\u4e09\u8005\u90fd\u4f4d\u4e8e\u573a\u666f\u56fe\u7684\u6700\u9ad8\u5c42\uff0c\u90fd\u662f\u573a\u666f\u56fe\u7684\u6839\u8282\u70b9\uff0c\u90fd\u5305\u542b\u4e00\u4e2aBox\u51e0\u4f55\u4f53\u4f5c\u4e3a\u5b50\u8282\u70b9\u3002\u4e0b\u9762\u4e3a\u7ea2\u65b9\u5757\u589e\u52a0\u4e00\u4e2a\u7403\u4f53\u5b50\u8282\u70b9\uff1a<\/p>\n DEF leftBox Transform {<\/p>\n translation -5 0 0<\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n DEF SphereChild Shape {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor 1 0 1 }<\/p>\n }<\/p>\n geometry Sphere { radius 1.2 }<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n \u4e3a\u4e86\u4ee5\u540e\u5f15\u7528\u65b9\u4fbf\uff0c\u8fd9\u91cc\u8fd8\u4e3a\u7403\u4f53\u5b50\u8282\u70b9\u8d77\u4e86\u540d\u5b57\uff1aSphereChild .\u4e3a\u4e86\u8ba9\u7528\u6237\u80fd\u591f\u589e\u5220\u8fd9\u4e2a\u513f\u5b50\uff0c\u628a\u7eff\u65b9\u5757\u5b9a\u4e49\u6210\u63a5\u89e6\u68c0\u6d4b\u5668\uff1a<\/p>\n DEF onoff Transform {<\/p>\n translation 0 -5 0 <\/p>\n children [<\/p>\n Shape {<\/p>\n appearance Appearance {<\/p>\n material Material {diffuseColor 0 1 0 }<\/p>\n }<\/p>\n geometry Box {}<\/p>\n }<\/p>\n DEF TS TouchSensor {}<\/p>\n ]<\/p>\n }<\/p>\n \u5b50\u8282\u70b9\u589e\u5220\u7684\u5177\u4f53\u4efb\u52a1\u7531Script\u8282\u70b9\u6765\u5b8c\u6210\uff1a<\/p>\n DEF S Script {<\/p>\n eventIn SFBool isActive <\/p>\n eventOut MFNode child <\/p>\n field MFNode testNode USE SphereChild <\/p>\n \u3000<\/p>\n url”javascript :<\/p>\n function isActive (value) {<\/p>\n if (value)child = testNode;<\/p>\n }”<\/p>\n }<\/p>\n \u6ce8\u610f\u5b83\u7684\u51fa\u4e8b\u4ef6child\u7684\u7c7b\u578b\u662fMFNode,\u4e5f\u5c31\u662f\u8bf4\u901a\u8fc7\u8fd9\u4e2a\u4e8b\u4ef6\u9001\u51fa\u7684\u662f\u8282\u70b9\u3002\u8282\u70b9S\u7684testNode\u57df\u662f\u5bf9\u7403\u4f53SphereChild\u5f15\u7528\uff08USE\u8bed\u53e5\uff09\uff0c\u5f15\u7528\u4e0d\u590d\u5236\u8be5\u8282\u70b9\uff0c\u800c\u662f\u628a\u540c\u4e00\u8282\u70b9\u518d\u6b21\u63d2\u5165\u573a\u666f\u56fe\uff0c\u4ece\u800c\u5bfc\u81f4SphereChild\u62e5\u6709\u591a\u4e2a\u7236\u4eb2\uff0c\u6240\u4ee5\u573a\u666f\u56fe\u4ec5\u4ec5\u662f\u5c42\u6b21\u7ed3\u6784\uff0c\u800c\u4e0d\u662f\u6811\u5f62\u7ed3\u6784\u3002\u52a0\u4e0a\u4e0b\u9762\u7684\u8def\u7531\u8bed\u53e5\uff0c\u5efa\u7acb\u4e8b\u4ef6\u8054\u7cfb\uff1a<\/p>\n ROUTE TS.isActive TO S.isActive<\/p>\n ROUTE S.child TO leftBox.removeChildren <\/p>\n ROUTE S.child TO rightBox.addChildren <\/p>\n \u63a5\u89e6\u68c0\u6d4b\u5668TS\u7684\u6fc0\u6d3b\u4e8b\u4ef6isActive\u8fde\u63a5\u5230\u811a\u672c\u8282\u70b9S\u7684isActive,\u8fd9\u6837\u7528\u6237\u4e00\u65e6\u6309\u52a8\u7eff\u65b9\u5757\uff0c\u5c31\u4f1a\u542f\u52a8\u811a\u672c\u8282\u70b9\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570isActive(),\u6b64\u51fd\u6570\u628atestNode\u8282\u70b9\uff08\u5373\u7403\u4f53\u8282\u70b9SphereChild \uff09\u9001\u81f3\u51fa\u4e8b\u4ef6S.child.\u6839\u636e\u8def\u7531\uff0c\u5de6\u8fb9\u7ea2\u65b9\u5757\u7684\u4e8b\u4ef6\u5165\u53e3leftBox.removeChildren \u6536\u5230\u6b64\u4e8b\u4ef6\uff0c\u6309\u7167removeChildren\u7684\u8bed\u4e49\uff0c\u7403\u4f53\u8282\u70b9SphereChild\u4eceleftBox\u7684\u5b50\u8282\u70b9\u5217\u8868\u4e2d\u5220\u9664\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u53f3\u8fb9\u84dd\u65b9\u5757\u7684\u4e8b\u4ef6\u5165\u53e3rightBox.addChildren\u4e5f\u6536\u5230S.child\u51fa\u4e8b\u4ef6\uff0c\u6839\u636eaddChildren\u7684\u8bed\u4e49\uff0c\u7403\u4f53\u8282\u70b9SphereChild\u52a0\u5165 rightBox\u7684\u5b50\u8282\u70b9\u5217\u8868\u3002\u901a\u8fc7\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u7403\u4f53\u8282\u70b9SphereChild\u7684\u7236\u8282\u70b9\u4eceleftBox\u66f4\u6362\u6210rightBox.<\/p>\n \u7b2c\u516d\u8282 \u6269\u5145\u8282\u70b9\u7c7b\u578b<\/p>\n VRML\u63d0\u4f9b\u4e8654\u79cd\u8282\u70b9\u7c7b\u578b\uff0c\u79f0\u4e3a\u5185\u90e8\u8282\u70b9\u7c7b\u578b\u3002\u7136\u800c\u5b9e\u9645\u5e94\u7528\u79cd\u53ef\u80fd\u8981\u6c42\u65b0\u7684\u8282\u70b9\u7c7b\u578b\uff0c\u539f\u578b\uff08prototype\uff09\u662fVRML\u5b9e\u73b0\u8282\u70b9\u7c7b\u578b\u6269\u5145\u7684\u57fa\u672c\u673a\u5236\u3002\u65b0\u8282\u70b9\u7c7b\u578b\u662f\u6839\u636e\u5df2\u5b9a\u4e49\u7684\uff08\u5185\u90e8\u7684\u6216\u539f\u578b\u7684\uff09\u8282\u70b9\u7c7b\u578b\u5b9a\u4e49\u7684\uff0c\u4e00\u65e6\u5b9a\u4e49\uff0c\u539f\u578b\u8282\u70b9\u7c7b\u578b\u5c31\u53ef\u4ee5\u8c61\u5185\u90e8\u8282\u70b9\u7c7b\u578b\u4e00\u6837\u5728\u573a\u666f\u56fe\u4e2d\u5b9e\u4f8b\u5316\u3002\u539f\u578b\u53ef\u4ee5\u5728\u5f53\u524d\u6587\u4ef6\u4e2d\u5b9a\u4e49\u5e76\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u5728\u5176\u5b83\u6587\u4ef6\u4e2d\u5b9a\u4e49\uff0c\u5373\u5916\u90e8\u539f\u578b\uff0c\u5916\u90e8\u539f\u578b\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f7f\u8282\u70b9\u7c7b\u578b\u80fd\u591f\u8de8\u8d8a\u7f51\u7edc\u7684\u673a\u5236\u3002\u672c\u8282\u7684\u539f\u578b\u4f8b\u5b50\u53d6\u81eaVRML97\u6807\u51c6\uff0c\u5b83\u5b9a\u4e49\u7684\u662f\u4e00\u4e2a\u684c\u5b50\u7c7b\u578b\uff0c\u8fd9\u4e2a\u539f\u578b\u4e3a\uff1a<\/p>\n #VRML V2.0 utf8<\/p>\n PROTO TwoColor Table [ field SFColor legColor 0.8 0.4 0.7<\/p>\n field SFColor topColor 0.6 0.6 0.1 ]<\/p>\n }<\/p>\n Transform {<\/p>\n children [<\/p>\n Transform {<\/p>\n translation 0.0 0.6 0.0<\/p>\n children [<\/p>\n Transform {<\/p>\n appearance Appearance {<\/p>\n material Material { diffuseColor IS topColor }<\/p>\n }<\/p>\n geometry Box { size 1.2 0.2 1.2 }<\/p>\n }<\/p>\n }<\/p>\n Transform {<\/p>\n translation -0.5 0 -0.5<\/p>\n children [<\/p>\n DEF Leg Shape {<\/p>\n appearance Appearance { diffuseColor IS legColor }<\/p>\n }<\/p>\n geometry Cylinder { height 1 radius 0.1 }<\/p>\n }<\/p>\n ]<\/p>\n }<\/p>\n Transform { #\u53e6\u4e00\u6761\u684c\u817f<\/p>\n translation 0.5 0 -0.5<\/p>\n children USE Leg<\/p>\n }<\/p>\n Transform { #\u53e6\u4e00\u6761\u684c\u817f<\/p>\n translation -0.5 0 0.5<\/p>\n children USE Leg <\/p>\n }<\/p>\n Transform { #\u53e6\u4e00\u6761\u684c\u817f<\/p>\n translation 0.5 0 0.5<\/p>\n children USE Leg <\/p>\n }<\/p>\n ]#\u6839\u8282\u70b9Transform\u7684\u513f\u5b50\u7ed3\u675f<\/p>\n }#\u6839Transform \u7ed3\u675f<\/p>\n }#\u539f\u578b\u7ed3\u675f<\/p>\n \u539f\u578b\u8bed\u53e5PROTO\u5206\u4e3a\u539f\u578b\u63a5\u53e3\u58f0\u660e\u548c\u539f\u578b\u5b9a\u4e49\u4e24\u90e8\u5206\u3001\u63a5\u53e3\u58f0\u660e\u5305\u62ec\u539f\u578b\u7684\u5165\u4e8b\u4ef6\u548c\u51fa\u4e8b\u4ef6\u7684\u7c7b\u578b\u548c\u540d\u79f0\uff0c\u4ee5\u53ca\u539f\u578b\u7684\u57df\u7684\u7c7b\u578b\u3001\u540d\u79f0\u548c\u7f3a\u7701\u503c\u3002\u8fd9\u91cc\u7684\u63a5\u53e3\u58f0\u660e\u4e3a\uff1a<\/p>\n PROTO TwoColorTable [ field SFColor legColor 0.8 0.4 0.7<\/p>\n field SFColor topColor 0.6 0.6 0.1 ]<\/p>\n \u8fd9\u4e2a\u539f\u578b\u7684\u7c7b\u578b\u540d\u79f0\u4e3a\u201cTwoColorTable”(\u53cc\u8272\u684c)\uff0c\u5b83\u6709\u4e24\u4e2a\u57df\uff1alegColor(\u684c\u817f\u8272)\u548ctopColor(\u684c\u9762\u8272)\u3002\u4f5c\u4e3a\u8282\u70b9\u7c7b\u578b\uff0cTwoColorTable\u7684\u7528\u6cd5\u548c\u5176\u5b83\u5185\u90e8\u8282\u70b9\u7c7b\u578b\u4e00\u6837\uff0c\u4f8b\u5982\u4e0b\u9762\u7684\u8bed\u53e5\u5b9a\u4e49\u4e00\u4e2aTwoColorTable\u7c7b\u578b\u7684\u8282\u70b9\uff0c\u5b83\u7684\u684c\u817f\u4e3a\u7ea2\u8272\uff0c\u684c\u9762\u4e3a\u7eff\u8272\uff1a<\/p>\n TwoColor Table {<\/p>\n legColor 1 0 0 topColor 0 1 0 <\/p>\n }<\/p>\n \u63a5\u53e3\u58f0\u660e\u4e4b\u540e\u662f\u539f\u578b\u7684\u4e3b\u4f53\uff0c\u79f0\u4e3a\u539f\u578b\u5b9a\u4e49\u3002\u539f\u578b\u5b9a\u4e49\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u573a\u666f\u56fe\uff0c\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u6839\u8282\u70b9\u3001\u5d4c\u5165\u7684PROTO\u8bed\u53e5\u548cROUTE\u8bed\u53e5\u6784\u6210\uff0c\u5176\u4e2d\u7684\u7b2c\u4e00\u4e2a\u8282\u70b9\u7c7b\u578b\u786e\u5b9a\u539f\u578b\u5b9e\u4f8b\u5728VRML\u6587\u4ef6\u4e2d\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u539f\u578b\u5b9a\u4e49\u4e2d\u7684\u7b2c\u4e00\u4e2a\u8282\u70b9\u662fMaterial\u8282\u70b9\uff0c\u5219\u53ea\u8981\u53ef\u4ee5\u4f7f\u7528Material\u8282\u70b9\u7684\u5730\u65b9\uff0c\u539f\u578b\u5b9e\u4f8b\u90fd\u53ef\u4ee5\u4f7f\u7528\u3002\u539f\u578b\u5b9a\u4e49\u4e2d\u5b9a\u4e49\u7684\u5176\u5b83\u8282\u70b9\u53ca\u5176\u9644\u5e26\u7684\u573a\u666f\u56fe\u90fd\u4e0d\u8fdb\u5165\u539f\u578b\u5b9e\u4f8b\u6240\u5728\u7684\u53d8\u6362\u5c42\u7cfb\uff0c\u4f46\u53ef\u4ee5\u88ab\u539f\u578b\u5b9a\u4e49\u4e2d\u7684ROUTE\u8bed\u53e5\u6216Script\u8282\u70b9\u5f15\u7528\u3002TwoColorTable\u539f\u578b\u4e2d\u7684\u7b2c\u4e00\u4e2a\u8282\u70b9\u662fTransform\u7ec4\u8282\u70b9\uff0c\u5b83\u51b3\u5b9a\u4e86TwoColorTable\u578b\u8282\u70b9\u5728\u573a\u666f\u56fe\u4e2d\u7684\u65b9\u6cd5\uff0c\u5728\u573a\u666f\u56fe\u4e2d\u6dfb\u52a0\u4e00\u4e2aTwoColorTable\u578b\u8282\u70b9\uff0c\u76f8\u5f53\u4e8e\u589e\u52a0Transform.<\/p>\n \u539f\u578b\u5b9a\u4e49\u4e2d\u8282\u70b9\u7684\u57df\u3001\u5165\u4e8b\u4ef6\u3001\u51fa\u4e8b\u4ef6\u53ef\u4ee5\u901a\u8fc7IS\u8bed\u53e5\u548c\u63a5\u53e3\u58f0\u660e\u4e2d\u7684\u57df\u3001\u5165\u4e8b\u4ef6\u3001\u51fa\u4e8b\u4ef6\u5efa\u7acb\u5173\u8054\uff0c\u5173\u8054\u5b9e\u9645\u4e0a\u76f8\u5f53\u4e8e\u628a\u539f\u578b\u5b9a\u4e49\u4e2d\u7684\u8fd9\u4e9b\u57df\u548c\u4e8b\u4ef6\u516c\u5f00\u4f5c\u4e3a\u539f\u578b\u7684\u57df\u548c\u4e8b\u4ef6\u3002\u5173\u8054\u7684\u57fa\u672c\u89c4\u5219\u662f\u57df\u548c\u57df\u3001\u5165\u4e8b\u4ef6\u548c\u5165\u4e8b\u4ef6\u3001\u51fa\u4e8b\u4ef6\u548c\u51fa\u4e8b\u4ef6\u5bf9\u5e94\u5173\u8054\uff0c\u539f\u578b\u5b9a\u4e49\u4e2d\u7684\u5916\u9732\u57df\u53ef\u4ee5\u548c\u63a5\u53e3\u58f0\u660e\u4e2d\u7684\u57df\u3001\u5165\u4e8b\u4ef6\u3001\u51fa\u4e8b\u4ef6\u6216\u5916\u9732\u57df\u5173\u8054\u3002\u672c\u4f8b\u4e2d\u7684\u5173\u8054\u6709\u4e24\u4e2a\uff1a\u684c\u9762diffuseColor \u57df\u548c\u63a5\u53e3\u58f0\u660e\u4e2d\u7684topColor\u57df\uff0c\u684c\u817f\u7684diffuseColor\u57df\u548c\u63a5\u53e3\u58f0\u660e\u4e2d\u7684legColor\u57df\u4e4b\u95f4\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cTwoColorTable\u578b\u8282\u70b9\u4e2d\u7684topColor\u548clegColor\u503c\u5b9e\u9645\u4e0a\u5206\u522b\u786e\u5b9a\u4e86\u684c\u9762\u548c\u684c\u817f\u7684\u6f2b\u53cd\u5c04\u8272diffuseColor.<\/p>\n \u7b2c\u4e03\u8282 \u7ed3\u675f\u8bed<\/p>\n \u672c\u6559\u7a0b\u521b\u5efa\u4e86\u516d\u4e2a\u5178\u578bVRML\u5883\u754c\uff0c\u4ecb\u7ecd\u4e86VRML\u7684\u4e3b\u8981\u529f\u80fd\u3002\u8fd9\u4e9b\u4f8b\u5b50\u7684\u4fa7\u91cd\u70b9\u5728\u4e8eVRML\u7684\u4ea4\u4e92\u5f0f\u7279\u5f81\uff0c\u800c\u4e0d\u662f\u8425\u9020\u5883\u754c\u7684\u9020\u578b\u7279\u5f81\uff0c\u540e\u8005\u53ef\u53c2\u89c1\u4e00\u822c\u7684\u4e09\u7ef4\u56fe\u5f62\u5de5\u5177\uff0c\u628a\u8fd9\u4e8c\u8005\u7ed3\u5408\u8d77\u6765\uff0c\u53ef\u4ee5\u521b\u5efa\u66f4\u52a0\u7cbe\u5f69\u7684\u4ea4\u4e92\u5f0f3D\u5883\u754c\u3002\u672c\u7ae0\u6839\u636e\u9700\u8981\u4ecb\u7ecd\u4e86\u90e8\u5206VRML\u8282\u70b9\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u4ee5\u540e\u5c06\u5bf9VRML\u8282\u70b9\u8fdb\u884c\u5206\u7c7b\u548c\u8f83\u4e3a\u5168\u9762\u7684\u8bc4\u8bba\u3002<\/p>\n 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VRML\u7684\u57fa\u7840\u6559\u7a0b<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-326","post","type-post","status-publish","format-standard","hentry","without-featured-image"],"_links":{"self":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts\/326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=326"}],"version-history":[{"count":1,"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts\/326\/revisions"}],"predecessor-version":[{"id":1006,"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts\/326\/revisions\/1006"}],"wp:attachment":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}