1 |
<?xml version="1.0" encoding="UTF-8"?>
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2 |
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
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3 | <X3D profile='Immersive' version='3.3' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.3.xsd'> |
4 | <head> |
5 | <meta name='title' content='ParallelepipedPrototype.x3d'/> |
6 | <meta name='description' content='Reusable prototype for creating a Parallelepiped, which is a 3D figure formed by six parallelograms; also sometimes referred to as a rhomboid.'/> |
7 | <meta name='creator' content='Don Brutzman'/> |
8 | <meta name='created' content='25 November 2011'/> |
9 | <meta name='modified' content='20 October 2019'/> |
10 | <meta name='reference' content='ParallelepipedExamples.x3d'/> |
11 | <meta name='Image' content='ParallelepipedVertexIndices.png'/> |
12 | <meta name='drawing' content='GeometricShapes.vsd'/> |
13 | <meta name='reference' content='https://en.wikipedia.org/wiki/Parallelepiped'/> |
14 | <meta name='reference' content='http://upload.wikimedia.org/wikipedia/commons/f/f6/Parallelepiped.svg'/> |
15 | <meta name='reference' content='http://upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Parallelepiped.svg/500px-Parallelepiped.svg.png'/> |
16 | <meta name='subject' content='parallelopiped rhomboid geometry polyhedron'/> |
17 | <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GeometricShapes/ParallelepipedPrototype.x3d'/> |
18 | <meta name='reference' content='https://www.web3d.org/x3d/content/examples/X3dResources.html'/> |
19 | <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/> |
20 | <meta name='license' content='../license.html'/> |
21 | </head> |
22 | <Scene> |
23 | <WorldInfo title='ParallelepipedPrototype.x3d'/> |
24 | <ProtoDeclare name='Parallelepiped' appinfo='Parallelepiped is a 3D figure formed by six parallelograms; also sometimes referred to as a rhomboid'> |
25 | <ProtoInterface> |
26 | <field name='point' type='MFVec3f' value='0 1 0 1 1 0 1 1 1 0 1 1 0 0 0 1 0 0 1 0 1 0 0 1' accessType='inputOutput'/> |
27 | <field name='colorPerVertex' type='SFBool' value='true' accessType='initializeOnly'/> |
28 | <field name='normalPerVertex' type='SFBool' value='true' accessType='initializeOnly'/> |
29 | <field name='colorIndex' type='MFInt32' accessType='initializeOnly'/> |
30 | <field name='normalIndex' type='MFInt32' accessType='initializeOnly'/> |
31 | <field name='texCoordIndex' type='MFInt32' accessType='initializeOnly'/> |
32 | <field name='color' type='SFNode' accessType='inputOutput'> |
33 | <!-- initialization node (if any) goes here --> |
34 | </field> |
35 | <field name='normal' type='SFNode' accessType='inputOutput'> |
36 | <!-- initialization node (if any) goes here --> |
37 | </field> |
38 | <field name='texCoord' type='SFNode' accessType='inputOutput'> |
39 | <!-- initialization node (if any) goes here --> |
40 | </field> |
41 | </ProtoInterface> |
42 | <ProtoBody> |
43 | <!-- First node determines node type of this prototype --> |
44 | <IndexedFaceSet DEF='IFS' convex='false' solid='false' coordIndex='0 3 2 1 -1 4 5 6 7 -1 0 1 5 4 -1 1 2 6 5 -1 2 3 7 6 -1 3 0 4 7 -1'> |
45 | <IS> |
46 | <connect nodeField='colorPerVertex' protoField='colorPerVertex'/> |
47 | <connect nodeField='normalPerVertex' protoField='normalPerVertex'/> |
48 | <connect nodeField='colorIndex' protoField='colorIndex'/> |
49 | <connect nodeField='normalIndex' protoField='normalIndex'/> |
50 | <connect nodeField='texCoordIndex' protoField='texCoordIndex'/> |
51 | <connect nodeField='color' protoField='color'/> |
52 | <connect nodeField='normal' protoField='normal'/> |
53 | <connect nodeField='texCoord' protoField='texCoord'/> |
54 | </IS> |
55 | <Coordinate> |
56 | <IS> |
57 | <connect nodeField='point' protoField='point'/> |
58 | </IS> |
59 | </Coordinate> |
60 | </IndexedFaceSet> |
61 | <!-- This embedded Script provides the X3D author with additional visibility and control over prototype inputs and outputs --> |
62 | <Script DEF='ParallelepipedScript'> |
63 | <field name='point' type='MFVec3f' accessType='inputOutput'/> |
64 | <IS> |
65 | <connect nodeField='point' protoField='point'/> |
66 | </IS> |
<![CDATA[
ecmascript: function initialize () { checkCoordinatePoints (); } function checkCoordinatePoints () { // A parallelepiped has three sets of four parallel edges; the edges within each set are of equal length. // Quality assurance: check that lengths of corresponding sides match. edge01 = length2(point[0], point[1]); // top edge12 = length2(point[1], point[2]); edge23 = length2(point[2], point[3]); edge30 = length2(point[3], point[0]); edge45 = length2(point[4], point[5]); // bottom edge56 = length2(point[5], point[6]); edge67 = length2(point[6], point[7]); edge74 = length2(point[7], point[4]); edge04 = length2(point[0], point[4]); // sides edge15 = length2(point[1], point[5]); edge26 = length2(point[2], point[6]); edge37 = length2(point[3], point[7]); epsilon = edge01 * 0.001; if ((Math.abs(edge01 - edge23) > epsilon) || (Math.abs(edge23 - edge67) > epsilon) || (Math.abs(edge67 - edge45) > epsilon) || (Math.abs(edge45 - edge01) > epsilon)) Browser.println ('Warning, mismatched parallelopiped sides 02/33/45/67'); else if ((Math.abs(edge30 - edge12) > epsilon) || (Math.abs(edge12 - edge56) > epsilon) || (Math.abs(edge56 - edge74) > epsilon) || (Math.abs(edge74 - edge30) > epsilon)) Browser.println ('Warning, mismatched parallelopiped sides 30/12/56/74'); else if ((Math.abs(edge04 - edge15) > epsilon) || (Math.abs(edge15 - edge26) > epsilon) || (Math.abs(edge26 - edge37) > epsilon) || (Math.abs(edge37 - edge04) > epsilon)) Browser.println ('Warning, mismatched parallelopiped sides 04/15/26/37'); } function length2 (pointA, pointB) { return Math.sqrt((pointA.x - pointB.x)*(pointA.x - pointB.x) + (pointA.y - pointB.y)*(pointA.y - pointB.y) + (pointA.z - pointB.z)*(pointA.z - pointB.z)); } function set_point (eventValue) { // input eventValue received for inputOutput field point = eventValue; checkCoordinatePoints (); }
]]>
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68 | </Script> |
69 | </ProtoBody> |
70 | </ProtoDeclare> |
71 | <!-- ================================================================================ --> |
72 | <Background skyColor='0.905882 1 0.858824'/> |
73 | <Anchor description='Open ParallelepipedExamples scene' url=' "ParallelepipedExamples.x3d" "https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GeometricShapes/ParallelepipedExamples.x3d" "ParallelepipedExamples.wrl" "https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GeometricShapes/ParallelepipedExamples.wrl" '> |
74 | <Shape> |
75 | <Text string='"This scene defines a" "Parallelepiped prototype" "" "Select this text to open" "ParallelepipedExamples scene"'> |
76 | <FontStyle justify='"MIDDLE" "MIDDLE"'/> |
77 | </Text> |
78 | <Appearance DEF='BlueAppearance'> |
79 | <Material diffuseColor='0 0.698039 1'/> |
80 | </Appearance> |
81 | </Shape> |
82 | <Shape DEF='TransparentBox'> |
83 | <Box size='11 5 0.1'/> |
84 | <Appearance> |
85 | <Material transparency='1'/> |
86 | </Appearance> |
87 | </Shape> |
88 | </Anchor> |
89 | </Scene> |
90 | </X3D> |
Event Graph ROUTE Table with 0 ROUTE connections total, showing X3D event-model relationships for this scene.
Each row shows an event cascade that may occur during a single timestamp interval between frame renderings, as part of the X3D execution model.
ParallelepipedScript
Script |
No ROUTE connection found for output events from this node. This Script has no direct access to other nodes. |
Anchor |
description='Open ParallelepipedExamples scene' User-interaction hint for this node. |
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Color legend: X3D terminology
<X3dNode
DEF='idName' field='value'/>
matches XML terminology
<XmlElement
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(Light-blue background: event-based behavior node or statement)
(Grey background inside box: inserted documentation)
(Magenta background: X3D Extensibility)
<ProtoDeclare
name='ProtoName'>
<field
name='fieldName'/> </ProtoDeclare>
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