用PHP动态生成虚拟现实VRML网页   

  •   2009-07-31/22:55
  • 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/

    <?php header("Content-type: application/x-vrml");$txt="#VRML V2.0 utf8

    DEF leftBox Transform
    {
    translation -5 0 0
    children
    [
    Shape
    {
    appearance Appearance
    {
    material Material
    {
    diffuseColor 1 0 0
    }
    }
    geometry Box{}
    }
    DEF SphereChild Shape
    {
    appearance Appearance
    {
    material Material
    {
    diffuseColor 1 0 1
    }
    }
    geometry Sphere
    {
    radius 1.2
    }
    }
    ]
    }

    DEF rightBox Transform
    {
    translation 5 0 0
    children
    [
    Shape
    {
    appearance Appearance
    {
    material Material
    {
    diffuseColor 0 0 1
    }
    }
    geometry Box{}
    }
    ]
    }

    DEF onoff Transform
    {
    translation 0 -1 0
    children
    [
    Shape
    {
    appearance Appearance
    {
    material Material
    {
    diffuseColor 0 1 0
    }
    }
    geometry Box{}
    }
    DEF TS TouchSensor{}
    ]
    }

    DEF S Script
    {
    eventIn SFBool isActive
    eventOut MFNode child
    field MFNode testNode USE SphereChild
    url
    "javascript:
    function isActive(value)
    {
    if (value)
    {
    child=testNode;
    }
    }
    "
    }

    ROUTE TS.isActive TO S.isActive
    ROUTE S.child TO leftBox.removeChildren
    ROUTE S.child TO rightBox.addChildren";echo $txt;
    ?>
       
      


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