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a generic proto to connect two objects
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "http://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D xmlns:xsd="http://www.w3.org/2001/XMLSchema-instance" profile="Immersive" version="3.3" xsd:noNamespaceSchemaLocation="http://www.web3d.org/specifications/x3d-3.3.xsd">
<head>
<meta name='title' content='x3dconnectorProto'/>
<meta name='creator' content='Lost, Doug Sanden I think'/>
<meta name='generator' content='manual'/>
<meta name='identifier' content='https://coderextreme.net/X3DJSONLD/x3dconnectorProto.x3d'/>
<meta name='description' content='a generic proto to connect two objects'/>
</head>
<Scene>
<Viewpoint position='0 0 5' description="Only Viewpoint" orientation='0 0 1 0' />
<Background skyColor='0.4 0.4 0.4'/>
<Transform DEF='G1'>
<Shape>
<Appearance><Material diffuseColor='0.7 0.2 0.2'></Material></Appearance>
<Sphere radius='.1'/>
</Shape>
<PlaneSensor description="Grab to move" DEF='PS1'/>
<ROUTE fromNode='PS1' fromField='translation_changed' toNode='G1' toField='translation' />
</Transform>
<Transform DEF='G2' translation='1 -1 .01'>
<Shape>
<Appearance><Material diffuseColor='0.2 0.7 0.2'></Material></Appearance>
<Sphere radius='.1'/>
</Shape>
<PlaneSensor description="Grab to move" DEF='PS2'/>
<ROUTE fromNode='PS2' fromField='translation_changed' toNode='G2' toField='translation' />
</Transform>
<Transform DEF='C0' >
<Transform DEF='C1' >
<Transform DEF='C2' >
<Shape>
<Appearance><Material diffuseColor='0.2 0.7 0.7' transparency='.5'/></Appearance>
<Cylinder radius='.05'/>
</Shape>
</Transform>
</Transform>
</Transform>
<Script DEF='S1'>
<field accessType='initializeOnly' name='startnode' type='SFNode'>
<Transform USE='G1'/>
</field>
<field accessType='initializeOnly' name='endnode' type='SFNode'>
<Transform USE='G2'/>
</field>
<field accessType='inputOnly' name='set_startpoint' type='SFVec3f' />
<field accessType='inputOnly' name='set_endpoint' type='SFVec3f' />
<field accessType='outputOnly' name='translation' type='SFVec3f' />
<field accessType='outputOnly' name='rotation' type='SFRotation' />
<field accessType='outputOnly' name='scale' type='SFVec3f' />
<![CDATA[ecmascript:
function recompute(startpoint,endpoint){
var dif = endpoint.subtract(startpoint);
var dist = dif.length()*.5;
var dif2 = dif.multiply(.5);
var norm = dif.normalize();
var trans = startpoint.add(dif2);
scale = new SFVec3f(1.0,dist,1.0);
translation = trans;
rotation = new SFRotation(new SFVec3f(0.0,1.0,0.0),norm);
//Browser.print('norm='+norm.toString());
//Browser.print('rotation='+rotation.toString());
}
function initialize(){
recompute(startnode.translation,endnode.translation);
}
function set_startpoint(val,t){
recompute(val,endnode.translation);
}
function set_endpoint(val,t){
recompute(startnode.translation,val);
}
]]>
</Script>
<ROUTE fromNode='G1' fromField='translation' toNode='S1' toField='set_startpoint'/>
<ROUTE fromNode='G2' fromField='translation' toNode='S1' toField='set_endpoint'/>
<ROUTE fromNode='S1' fromField='translation' toNode='C0' toField='translation'/>
<ROUTE fromNode='S1' fromField='rotation' toNode='C2' toField='rotation'/>
<ROUTE fromNode='S1' fromField='scale' toNode='C2' toField='scale'/>
</Scene>
</X3D>
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