虛擬現(xiàn)實(shí)技術(shù)實(shí)驗(yàn)報告一

第1頁共1頁華北水利水電學(xué)院虛擬現(xiàn)實(shí)技術(shù)實(shí)驗(yàn)報告2014～2015學(xué)年第一學(xué)期2011級計(jì)算機(jī)科學(xué)與技術(shù)專業(yè)實(shí)驗(yàn)一創(chuàng)建VRML基本形體實(shí)驗(yàn)?zāi)康模菏煜ぬ摂M現(xiàn)實(shí)建模語言的編輯環(huán)境，掌握創(chuàng)建基本形體和復(fù)雜形體的步驟二、試驗(yàn)內(nèi)容：1、熟悉VRML的編輯環(huán)境；2、網(wǎng)格造型節(jié)點(diǎn)的使用；3、紋理貼圖的使用；4、創(chuàng)建復(fù)合形體（帶有文字注釋的透明木板）5、擠出造型節(jié)點(diǎn)的使用三、核心程序源代碼：（1）網(wǎng)格造型節(jié)點(diǎn)：Shape{ appearanceAppearance{ materialMaterial{ diffuseColor0.50.30.0 specularColor0.70.70.6 shininess0.9 } } geometryElevationGrid{ xDimension 11 xSpacing0.5 zDimension11 zSpacing0.5 height[ -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2 -2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2 -2,0.1,-0.4,0.1,-0.2,0.1,-0.2,0.1,-0.4,0.1,-2 -2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2 -2,0.1,-0.4,0.1,-0.2,0.1,-0.2,0.1,-0.4,0.1,-2 -2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2 -2,0.1,-0.4,0.1,-0.2,0.1,-0.2,0.1,-0.4,0.1,-2 -2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2 -2,0.1,-0.4,0.1,-0.2,0.1,-0.2,0.1,-0.4,0.1,-2-2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2 -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2 ] solidFALSE creaseAngle 5.571 }}（2）紋理貼圖：#VRMLV2.0utf8 Background{ skyColor[111]}Transform{ translation -400 children[ Shape{ appearanceDEFbAppearance { materialMaterial{ } texture ImageTexture{ url "file:///D:/photo/0001.jpg" } } } ]}Shape{ appearanceUSEb geometryCone{}}創(chuàng)建復(fù)合形體：Background{ skyColor[111]}Shape{ appearanceAppearance{ materialMaterial{ diffuseColor00.50.1 ambientIntensity0.2 specularColor000 emissiveColor000 transparency0.5 } } geometryBox{ size2082.1 }}Shape{ appearanceAppearance{ materialMaterial{ diffuseColor1.01.00.0 } } geometryText{ string["Hello""VRML!" ] fontStyleFontStyle{ family"typewriter" size2.0 style"BOLDITALIC" justify["MIDDLE"] } }}擠出造型：Background{ skyColor[0.60.50.7]}Shape{ appearanceAppearance{ materialMaterial{ diffuseColor0.750.20.2 ambientIntensity1.0 specularColor0.70.80.8 shininess0.75 } }geometryExtrusion{ crossSection[] spine[] solidFALSE }} 四、試驗(yàn)結(jié)果：（1）網(wǎng)格造型結(jié)果：紋理貼圖結(jié)果：創(chuàng)建復(fù)合形體：擠出造型結(jié)果：小結(jié)通過本次實(shí)驗(yàn)掌握了創(chuàng)建虛擬現(xiàn)實(shí)復(fù)雜形體的方法與步驟，也掌握了虛擬現(xiàn)實(shí)背景環(huán)境、光照、紋理貼圖、視點(diǎn)的創(chuàng)建與使用。