用PHP動(dòng)態(tài)生成虛擬現(xiàn)實(shí)VRML網(wǎng)頁

2024-05-04 23:00:57

字體：大中小

供稿：網(wǎng)友

注冊會(huì)員，創(chuàng)建你的web開發(fā)資料庫，多年前本人開始從事三維動(dòng)畫方面的學(xué)習(xí)，后學(xué)習(xí)了php，發(fā)現(xiàn)可以通過php動(dòng)態(tài)生成vrml文檔，有點(diǎn)類似于generator動(dòng)態(tài)生成flash的方式。
由于vrml博大精深，這里只介紹一個(gè)簡單的例子，還可以將各種vrml結(jié)點(diǎn)存入數(shù)據(jù)庫中，這樣的虛擬現(xiàn)實(shí)網(wǎng)頁將……，爽！
下面是源程序。注意：在服務(wù)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(xiàn)實(shí)。本源程序直接存成wrl文件，在瀏覽器中要安裝插件，可以到我的另一個(gè)主頁上去下載：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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