X3D立体网页设计-第8讲

回顾虚拟人、地理信息节点设计：X3D三维立体虚拟人节点设计

HAnimDisplacer节点设计

HAnimHumanoid节点设计

HAnimJoint节点设计

HAnimSegment节点设计

HAnimSite节点设计X3D地理信息节点设计

GeoCoordinate节点设计

GeoElevationGrid节点

GeoLocation节点第8讲动态感知节点设计-1本章要讲述内容（重点、难点)

X3D动画节点设计：

TimeSensor时间传感器节点

OrientationInterpolator朝向插补器节点

PositionInterpolator位置插补器节点

ScalarInterpolator标量插补器节点

ColorInterpolator颜色插补器节点

CoordinateInterPolator坐标插补器节点项目实例1.TimeSensor时间传感器节点

TimeSenor时间传感器节点语法定义如下。TimeSenor时间传感器节点{ DEF ID USE IDREF enabled true cycleInterval 1.0 loop false startTime 0 stopTime 0 pauseTime 0 resumeTime 0 cycleTime “” isActive “” isPaused “” fraction_changed “” time “” containerField children class }

2.PositionInterpolator节点设计PositonInterpolator位置插补器节点定义：{ DEF ID USE IDREF key keyValue set_fraction “” value_changed “” containerField children class }PositionInterpolator节点源程序<Scene><BackgroundskyColor="0.980.980.98"/><Group><TransformDEF="fly"rotation="0010"scale="111"translation="000"><Inlineurl="px3d12-1-1.x3d"/><TimeSensorDEF="time1"cycleInterval="8.0"loop="true"/><PositionInterpolatorDEF="flyinter"key="0.0,0.2,0.4,0.5,0.6,0.8,0.9,1.0,"keyValue="000,00-20,85-20,8-5-20, -8-5-20,-85-20,00-200,000,"/></Transform></Group><ROUTEfromField="fraction_changed"fromNode="time1"toField="set_fraction"toNode="flyinter"/><ROUTEfromField="value_changed"fromNode="flyinter"toField="set_translation"toNode="fly"/></Scene>PositionInterpolator节点运行效果PositionInterpolator节点运行效果3.OrientationInterpolator朝向插补器节点OrientationInterpolator朝向插补器节点定义：{ 域名 域值

DEF ID USE IDREF key keyValue set_fraction “” value_changed “” containerField children class }OrientationInterpolator朝向插补器节点源程序<Scene><BackgroundskyColor="0.980.980.98"/><Group><TransformDEF="fly"rotation="0010"scale="1.51.51.5"translation="00-8"><Inlineurl="px3d12-2-1.x3d"/><TimeSensorDEF="time1"cycleInterval="8.0"loop="true"/><OrientationInterpolatorDEF="flyinter"key="0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,"keyValue="0100.0,0100.524,0100.785,0101.047, 0101.571,0102.094,0102.356,0102.618, 0103.141, 0106.282"/></Transform></Group><ROUTEfromField="fraction_changed"fromNode="time1"toField="set_fraction"toNode="flyinter"/><ROUTEfromField="value_changed"fromNode="flyinter"toField="set_rotation"toNode="fly"/></Scene>OrientationInterpolator朝向插补器节点运行效果OrientationInterpolator节点运行效果4.ScalarInterpolator标量插补器节点ScalarInterpolator标量插补器节点定义：{ 域名 域值

DEF ID USE IDREF key keyValue set_fraction “” value_changed “” containerField children class }5.ColorInterpolator颜色插补器节点ColorInterpolator颜色插补器节点定义：{ 域名 域值

DEF ID USE IDREF key keyValue set_fraction “” value_changed “” containerField children class }ColorInterpolator颜色插补器节点源程序<Scene> <BackgroundskyColor="0.980.980.98"/> <ColorInterpolatorDEF='myColor'key='0.00.3330.6661.0'keyValue='100010001100'/><TimeSensorDEF='myClock'cycleInterval='10.0'loop='true'/><Transformrotation="0010"scale="10.651"translation="000"> <Shape> <Appearance> <MaterialDEF='myMaterial'/> </Appearance> <Sphereradius='3'/> </Shape> </Transform> <Transformtranslation="000"><Shape><Appearance><MaterialambientIntensity="0.4"diffuseColor="0.50.50.7"shininess="0.2"specularColor="0.80.80.9"/></Appearance><Cylinderbottom="true"height="4"radius="0.8"side="true"top="true"/></Shape></Transform>ColorInterpolator颜色插补器节点源程序<Transformtranslation="020"><Shape><Appearance><MaterialambientIntensity="0.4"diffuseColor="0.50.50.7"shininess="0.2"specularColor="0.80.80.9"/></Appearance><Cylinderbottom="true"height="1.5"radius="0.05"side="true"top="true"/></Shape></Transform><ROUTEfromNode='myClock'fromField='fraction_changed'toNode='myColor' toField='set_fraction'/><ROUTEfromNode='myColor'fromField='value_changed'toNode='myMaterial' toField='diffuseColor'/></Scene>ColorInterpolator颜色插补器节点运行效果ColorInterpolator实例程序效果6.CoordinateInterPolator坐标插补器节点CoordinateInterpolator坐标插补器节点定义：{ 域名 域值

DEF ID USE IDREF key keyValue set_fraction “” value_changed “” containerField children class }任务驱动-1PositionInterpolator位置插补器节点运行效果任务驱动-2OrientationInterpolator朝向插补器节点运行效果任务驱动-3

立体动画设计

小结X3D动画节点设计：

TimeSensor时间传感器节点

OrientationInterpolator朝向插补器节点

PositionInterpolator位置插补器节点

ScalarInterpolator标量插补器节点

ColorInterpolator颜色插补器节点

CoordinateInterPolator坐标插补器节点项目实例虚拟校园项目开发与设计

作业1.根据虚拟校园项目需求，利用复杂节点设计三维立体场景：根据学员所选虚拟校园中相应任务进行开发设计编程。X