用PHP动态生成虚拟现实VRML网页

多年前本人开始从事三维动画方面的学习,后学习了PHP,发现可以通过PHP动态生成VRML文档,有点类似于Generator动态生成Flash的方式。
由于VRML博大精深,这里只介绍一个简单的例子,还可以将各种VRML结点存入数据库中,这样的虚拟现实网页将……,爽!
下面是源程序。注意:在服务器上,要将让PHP处理wrl格式的文档,否则后果将是没有任何虚拟现实。本源程序直接存成wrl文件,在浏览器中要安装插件,可以到我的另一个主页上去下载:http://go.163.com/~sjtucaocao/

 1 header("Content-type: application/x-vrml");$txt="#VRML V2.0 utf8   
 2  
 3DEF leftBox Transform   
 4{   
 5translation -5 0 0   
 6children   
 7[   
 8Shape   
 9{   
10appearance Appearance   
11{   
12material Material   
13{   
14diffuseColor 1 0 0   
15}   
16}   
17geometry Box{}   
18}   
19DEF SphereChild Shape   
20{   
21appearance Appearance   
22{   
23material Material   
24{   
25diffuseColor 1 0 1   
26}   
27}   
28geometry Sphere   
29{   
30radius 1.2   
31}   
32}   
33]   
34}   
35  
36DEF rightBox Transform   
37{   
38translation 5 0 0   
39children   
40[   
41Shape   
42{   
43appearance Appearance   
44{   
45material Material   
46{   
47diffuseColor 0 0 1   
48}   
49}   
50geometry Box{}   
51}   
52]   
53}   
54  
55DEF onoff Transform   
56{   
57translation 0 -1 0   
58children   
59[   
60Shape   
61{   
62appearance Appearance   
63{   
64material Material   
65{   
66diffuseColor 0 1 0   
67}   
68}   
69geometry Box{}   
70}   
71DEF TS TouchSensor{}   
72]   
73}   
74  
75DEF S Script   
76{   
77eventIn SFBool isActive   
78eventOut MFNode child   
79field MFNode testNode USE SphereChild   
80url   
81"javascript:   
82function isActive(value)   
83{   
84if (value)   
85{   
86child=testNode;   
87}   
88}   
89"   
90}   
91  
92ROUTE TS.isActive TO S.isActive   
93ROUTE S.child TO leftBox.removeChildren   
94ROUTE S.child TO rightBox.addChildren";echo $txt;   
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