Lighthouse3d.com

uW(.JUMLO-O)ͭKLSW(L)ɰU7TWHL(3RRl bJP< Send me bugs and suggestions, please
VRML Script Tutorial
Full list

VRML Interactive Tutorial

Introduction
VRML File Structure
Drawing: Shape node
Geometry Nodes:
Box
Sphere
Cone
Cylinder
PointSet
IndexedLineSet
IndexedFaceSet
Extrusion
ElevationGrid
Example: Chessboard
Text
FontStyle
Appearance
Material
Textures
Image Texture
Movie Texture
Pixel Texture
Texture Coordinate
Texture Transform
Let there be Light
Directional Light
Point Light
Spot Light
Materials with Colored Lights
Hierarchical Node Structures
Group
Transform
Collision
Anchor
Billboard
Switch
Inlining Files
Defining and Instancing Nodes
Defining Levels of Detail
Events in VRML
Creating Paths between events: ROUTE
Generating Events based on Timers or User Actions
Timers
Touch Sensor
Visibility Sensor
Dragging Sensors
Plane Sensor
Sphere Sensor
Cylinder Sensor
Proximity Sensors
Example: Proximity sensor
Interpolators
Color
Coordinate
Normal
Orientation
Position
Scalar
Example
Let the Music Play
Sound
AudioClip
Bindable Nodes
Who Am I: NavigationInfo
Where Am I: ViewPoint
Adding Realism to the world
Background
Fog
Information about your world
WorldInfo
Definition for Auxiliary Nodes
Coordinate
Color
Normal

Z6y ];CƼ.YN%s*[Tlש-Ϭ "AcBёd<)Hu)n4ݛ0cյ~\׷B [튂OX(<~X1C]Kl:/e}ݝ8y6K9fԏu{jS[@O4t<^UմGiׯiZ¹[_Dk- Wf8{PF{F/*T  b ,n[tfQҖñA$xs1 y̧w2B1o5WzN{Ubߦ(avώ\C I5x)&gA{lJċ&cd12h@S=\7K(sRQ`EF@IN ~Ur]mohV(ƷyRL }|dJ!lvKO܁d,^M ’&^z!K0lɆB0I0;crUuq)gYЁTh+Qb$m%鬩,80Ds m2cc=3ϜG㠍E3u8! (IӗOxzVng_(uNIA.D7Q@x'b U'[\?I^{͵у28R~L|qXwSEN#zs;hf=g"^yKϷ@QT.EH?`nVv m?s! U٤0j-BH?6^Y",Ry0C)sg,k;WWļgQ`]F-E_߿o-;܅dygZmc 0P50j3P IAY:h>`O!!鷬,$A SDkJ2.):)JyP%4 N6 擗E''vKgks6xd* F#eNeu[wK .ŕgq/dL^ou\R] |ss]׬ IۀU[wL߫ZN =.";sPdVwmű:bd@^ܵ`$cQz!1'JhBvӛ#H;ׅTNi;Օ<4hd֧$HbբqAk?rDe9_gbxmd%KDC`ŢB4b0܏G|D c%e3(,IdGbGL2 !_B%73w VMf=/JXo+<廉?ѩrZ?~)H)>4f#N<[&p2\-$w{E>KX(Uv^xR.%tWZRmW k+R8^ ,$Y0IM,E`Ueh ֪ jkeZWW uEW fvsqycOrin1R704XX_W_"Uhr=D^(/L!!% e: w7榐"%m"͝G}<? |LR8B " P`VI])U2%$`n >Uхt+[x G6G&ɞ `XfS:;' 58XP>dRL*8`R0V܅LYncKj|F*i^ εTקOrJbt7L٦DBIYnmwC'(҂ qJ&ᵀ?^Q^nNv5@K mK6fu`iT̂*tfԬγx+k^~Wlkܼ~МAbSα7.95.~Z.7>9]yF|*.vˇvrX/ ᕗo~z;C 9 '3$@,]xz;uT=+gjUgu6t <*aˈS"N85.\sNUˇo^&;~'qߴ6]U\Gz~p쮸뫆our۸Jڗ]E0[pE5` .BY i ʃe&}s&{3ryOgK|jy:8 ?v5|,bg[L[aks=&՘(y=^MoΗCD">l+7]$HH:i2h]%rB ǁ[ UZSTN,%@NsVgn axY'pԹ3J`,S198}d;NvTN>u}mw8KO7.lMVKdx:G',TWA{Vpbb RkZ6Sq6r.;Vz yb9cNziag='ɵֳzh>ʀݗKӼl0>MqoLo2Ke5~6?Y2D}b39qu'YKy<UcaN'IVwUk~:F |<[/I}\(ΌoKQ$it}K ʨ$L2tLK] &B$a`5. 5߳1%[T=71N?9^0>kJb+I ]0DG>7N\Bċ_兟0gNz17d?@PM]@X$6&^0=X3qEC?߆ˏ| c.,7qFҙtD؉DO@N"]{HQ͕A-W>/}K&Q0Fea`p㯠 ^6/c uH5lc{dSCX~8d.(E/zqJMЫ8!P@ ˛((eaټtOS؁P[|Yi{z&Dž.Xroh=<[DhQZh:[1Ӄ)2-0A)!KC\<1Rga[$0A(2uk8K ř aQ֢q a{.s[*Uy<-7ޱ9j9†v"UJfu,}nJ!"#Q)Ӂ]si ۉlTU f50aD>FK`57:Ҫ?jŦU5Z!9\x zf|Oz͆\Wlzņ<ƏqfS*6qb ۸BJ3+ ^<+)dܥE|CP:@:*^wm* r2ra>o;^DGPm4Zg$ X$kK$R.QN'Ȅt3zZc X FyPrD]`4,2?czə,Ar@}z@m&鸲rǤ}s ._N"}.쟮øì`D0CySp{$@%;d-!<.a8Ֆ56(/PDM 0`G۪t"zir/R=ZBlDqgXx*O[mô蠂ANyAEV{Lt.7NYo~}&> PIl^ [X9C$yϯRj"."m97hCm$ߛ||5_McLƳć-45 1K 7?s{dC'|SUs{SL;^q`4E'=/5gY,ky+dDRNJFY(t*Ƭy lgM*u$cǧ SoٻYMIs31@CbjJ3L l?too{{j`iô¯s̝θ;3W`Aί+F5lVPz:*qbX$ 넵Zڛ)G➖&Q=_[{IRRKuL~DT}&;{T:0J09B0([Ap/ 5+knYy[~GC}d{v) 壵T&Tj<誴DŽ |'}ī7َBc_ /z,k4)7 `ɮe%/u /4vLNH'іcv|gvᒣT-w(0]n(K&90=7ONn]M VN'sؘ  *Q]BH%`ʬpclbH r2tm;7\|9w9:/eL'hxS`I)CJ;yc. LCy (F,b[>Lz^*GV>m0UQPٖvjQJB[&+CF!БH6v,K 4<'L:^">eE1wQ ;@Oww"0rL@IV+~HupwXVgahT޹ʋ~LmoB) 9jlMֺpuwVo'sM}'P>&=QGq>AIezV17XN\^: J#fC2ݍo9h9܁{3Iȟ9ZksO*.$$pW &g-z/8Z (om+8񽝭[ÆͧYznM7vDoI|o ?CaOz L0 a]`\i`QQ>o߰n'+ oqBuag@+Q}Q5+r, Ġ-Z!P NFs>Qzh!5``kRzt>`W=.~ Sg|!kt}վ&+ ]_q: g<8)gpk0#O3;h#9EcK "@EJ8F .(Ox 6j]I]WTL%a0 V0(̀KЖ@0`ٽ;xcJ1Y[?K*U(+WEw]r8>,OUI$YI8wd[DKP$gh{gȋ IPl LIBDnx† . @J(^y0lJ@H(?6ߧ --ǹq: t 8ҵwpJ-Cmj4 T:Gb[$l/${5ڗ<*YglxH;_\egx]V.Ӗ65RC) xMҢK+ġ"DC'Ϗ`7;~:s;y;p6\:L^׋ݡ{NאxAA]"46D;ra Y>`~ ĺ^%Y6rV.&OE%CDRp-ՐCz-PVMZOQY) o{ E3\@fk<E s2E5[>u:u,2~<9ѹ٠>nQ+Vm%GILDg4С_RVkJyj~bҟJ2!֘ 4;Ա|{j{d(,W3:Gi h bp]Xp%#" =  Ħ$9H}^^mҙ&DM48 R$'w.0J!/GC1QR)fwP>0\5:Ƣ38Z^ LQ5\TB+RrWCrH2O&D!=X)qN2C^I>P).<T@s9pLTBP}zy֑/sW(%\}ٛPewc]T)<4S{Z&`BQ4Lu5yaG5Jp,4`ǖk=J=4c*^!aQKנ#w}8$ZYg4ѐZR%q6ڤk Б}LH\h-=Ft 4}6$aBDi]<)Nl|,Y3.[U Xk%#JϭwP5Y!ְb ѰMN^wmʳu#t^g±1\łqJ^)l NsA.ٛ+Yءl ԀaƯwfuoʦb:MPըޞ1Wm[YC>':ŵ[BWEDQ" 1NFwqm ,!8G/BqY֣E. -XOuܺ!Y#NW78c^j#=F?jШДD&UMDtM[M޺-Er/4並zo7v_5ЕDİYgN:[#dۜ5p;X|2Hi0oqq iÎzBi)6,;6/MQ}: m͞5[id9A}|#d;ݪ9UH>@7p7dA~b-o*E?nt!"TQfMnr{A3lY 8>nm57y-5-eEAC )c]EjUj, S  =غa%e=p=3"O28Z`E竷VdB㬗o3eN' E.QL jT9GT9٨xYhvWh|܍KVPJ>cvY_PxFϭ];XVC*,xZli_+CS ۯtMVUMu d;JP'}H6~'ÌT#\Vм%+mv[lO@M O‡Bv &6!ltH!&}4L/+' ,9P'Y%\?nhrg 9@#avG霽| ̗H[=zr2 }/}jOsJb\'?e;}4GS91؝M{v)39[}ܜZh^7%67sUJzn4X4S=jxmo=sJyR%munh^oS%~,UJ ^zIɿhD>}|}c"l!45d8_nZ"-`jl , ]\`]ŕpq'C q=>6i:>6dJ2n{wXg%|37p$1Tˋ͢ݸb-`'?8uA[٧Y\['{Hmr'w.a: RNh{蟊O9b]ko)uE=h9؅͇yo RYl(R%)J6{ϝrHQZ'Ym(}̝!sb*eI/ʬ-7/FWkQjmRg§ $.rq!9ENOd+?` k@+ "- C$g8gYT̊~Z݈AA7 04:_-QP˸+iLکr"!CDOxK3)Ro#3Gn>it$HQMU?VBZ΢VO{ op 7w+"sFW3MnG[ڡUʒW㬀)I"q:{Y S&:Lqw1o37SF}^sO4ŴjBAqoIK.Q>:zD6WE,ldи2UJ=S #VME)jؿ :.tuQIfRa Q4IM,C: u|0ʐ%KQ,}%+YAr;CWh':[joFUZad.#hZN_>- S7UP9XLtGچU{ ]Pнdhԫa]@768\O+րޚSxiG;X*gE{Ht*@Nee-BVU>,^-4v/HDT PwDYuk״ho3R6kmx&!s&W밶ai@k`ewZǍ=ՅI P8AD\5^t  D[&yWEbO^2f6MNCt-T1,mANWQ!z$ =M+ G#0T{8iZ5FZK EboXlqAɵ;zdC/#b˸!n`dx "a 0 b%<L+diy;[@j/k-g@26\Kچ(W99'2)m9SA ]51Xւ8$P^|B_7^qwãgY 4Glj?Ǘp}㥬b|Lbw>}:_?HI ڨ{:1ԇ7WW/ov;R~ ٫ӏP;.<`J02;qqǩ)fI<#7_2BoFMuja쪶|?wr/YvI!IQt[xaηÎe~j;O!Æ'r:gpx2{:f{-+J-#];>~/fJƓz-\Seb8?Y::>B"H-"9w~K~DŽ[N'Q78tCs4Le8=2QW1SWZ\4UTwI흴?g^r6>fo?5JK,zWÜZuL;NQ 4y}ũ<I}7.

ProximitySensor Example


Many people have asked how to have a shape, or group of shapes, keeping its relative position to the user when the user is moving. This example shows you how to do that.

ProximitySensor nodes can be used to keep track of the users position and orientation. Two eventOuts are provided for this effect:
  • position_changed
  • orientation_changed
  • Therefore a ProximitySensor node generates events whenever the user changes its position or orientation. These events can then be routed to a Transform node where the shapes are placed.

    The only problem with this method is that a ProximitySensor requires the definition of the size of a virtual box. If the user is outside the virtual box then the ProximitySensor will NOT generate events. To avoid this problem one can always define the size of the ProximitySensor to be larger than the world itself.

    The following code should do the trick:



    Example:
    #VRML V2.0 utf8

    Group {
      children [
        DEF ps ProximitySensor {
          center 0 0 0

          size 1000 1000 1000
        }

        DEF tr Transform {
          children
            Transform {
              translation 0 0 -5

              children

              Shape {geometry Sphere{}}
            }
        }
      ]
    }

    ROUTE ps.position_changed TO tr.set_translation

    ROUTE ps.orientation_changed TO tr.set_rotation


    Note that the sphere which is 'locked' to the user position is inside a Transform node which contains a translation. This translation defines the relative position to the user, in this case the center of the sphere will be 5 units away from the user.

    Press the button below to see the VRML. Note that there is also a box in the world. The box should remain in its position while you move, only the sphere will follow your movement.