虚拟校园VRML语言

1、软件1102班一、关键节点应用二、整体效果1 12 23 3lTimeSensor时间传感器节点 和 PositionInterpolator位置插补器节点lIndexedLineSet线集节点lIndexedFaceSet节点lBillboard布告牌节点lInline内联节点（1）TimeSensor用于创建一个系统虚拟时钟，可以在一个指定的时间引发动作或固定时间间隔输出事件（2）DEF clock TimeSensor cycleInterval 20 /时间周期loop TRUE /loop是否输出事件DEF qwz PositionInterpolator key 0.0 0.4 0

2、.6 1.0keyValue ?7 1.5 0-1 1.5 0-1 1.5 07 1.5 0ROUTE clock.fraction_changed TO qwz.set_fractionROUTE qwz.value_changed TO ball.translationgeometry IndexedLineSetcoord Coordinate point 2 0 0 - 2 0 0-2 0.2 0 2 0.2 02 -0.2 0-2 -0.2 0 coordIndex 0,1,-1 2,3,-1 4,5,-1 6,7,-18,9,-110,11,-1 /两点一线Transform tr

3、anslation -0.0483 0.00895 3.6e-005rotation 0 0 1 3.15children Shape geometry IndexedFaceSet Coordinate point -2.73e-011 3.72 1.04, -5.43e-011 3.73 0.839, 0.593 3.69 1.04, -0.593 3.69 1.04, 1.19 3.47 1.03, -1.29 3.18 0.849, coordIndex 15, 16, 12, 10, -1, 6, 9, 5, 3, -1, 3, 5, 8, -1, 11, 8, 13, -1, /三

4、点一个面 DEF a Transform translation 0 5 -50 children Billboard children ShapeappearanceAppearance textureImageTexture url 6.gif geometry Box size 10 15 0.0003 Transform translation -14 0 -0children USE aTransform translation 0 0 10children USE aDEF a Transform translation 0 0 0rotation 0 0 0 1.scale 1.0 1.0 1.0 children Inline url langan1.wrlTransform translation 0.5 0 0children USE aTransform translation 1.0 0 0children USE aTransform translation 1.5 0 0children USE aTransform translation 2.0 0 0children USE a Viewpoint视点节点 NavigationInfo导航节点 PointLight点光源节点 Appearan