由于VRML博大精深,這里只介紹一個簡單的例子,還可以將各種VRML結點存入數據庫中,下面是源程序。注意:在服務器上,要將讓PHP處理wrl格式的文檔,否則后果將是沒有任何虛擬現實。
<?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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