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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
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| 3 | <X3D profile='Interactive' version='3.0' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'> |
| 4 | <head> |
| 5 | <meta name='title' content='Figure09_7CylinderSensor.x3d'/> |
| 6 | <meta name='creator' content='Figure 9.7, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/> |
| 7 | <meta name='reference' content='http://www.wiley.com/legacy/compbooks/vrml2sbk/ch09/09fig07.htm'/> |
| 8 | <meta name='translator' content='Don Brutzman'/> |
| 9 | <meta name='created' content='12 August 2000'/> |
| 10 | <meta name='modified' content='20 October 2019'/> |
| 11 | <meta name='description' content='Two shapes that rotate about an axis when the viewer drags them, with coordinate axes superimposed to show X3D/VRML directions.'/> |
| 12 | <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_7CylinderSensor.x3d'/> |
| 13 | <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/> |
| 14 | <meta name='license' content='../../license.html'/> |
| 15 | </head> |
Index for DEF nodes:
FIRST_APPEARANCE,
FIRST_CYLINDERSENSOR,
FIRST_TRANSFORM,
SECOND_CYLINDERSENSOR,
SECOND_TRANSFORM,
TRANSPARENT_CYLINDER_TRANSFORM
| 16 | <Scene> |
| 17 | <!-- Click and drag to rotate shapes. Superfluous Group nodes removed. --> |
| 18 | <!-- First rotate to reorient the first CylinderSensor --> |
| 19 | <WorldInfo title='Figure09_7CylinderSensor.x3d'/> |
| 20 | <Transform rotation='1 0 0 1.57' translation='-2 0 0'> |
| 21 |
<!-- ROUTE information for FIRST_CYLINDERSENSOR node:
[from rotation_changed to FIRST_TRANSFORM.set_rotation
]
-->
<CylinderSensor DEF='FIRST_CYLINDERSENSOR' description='Click and drag to rotate' maxAngle='1.57' minAngle='-0.78'/> |
| 22 |
<!-- ROUTE information for FIRST_TRANSFORM node:
[from FIRST_CYLINDERSENSOR.rotation_changed to set_rotation
]
-->
<Transform DEF='FIRST_TRANSFORM'> |
| 23 | <!-- Note that we are connecting a rotation output to a rotation input in these ROUTEs. --> |
| 24 | < ROUTE fromNode='FIRST_CYLINDERSENSOR' fromField='rotation_changed' toNode='FIRST_TRANSFORM' toField='set_rotation'/> |
| 25 | <!-- Keep transparent user-interface geometry in this rotated CylinderSensor coordinate frame --> |
| 26 |
<!-- Transform
TRANSPARENT_CYLINDER_TRANSFORM is a DEF node that has 1 USE node: USE_1 -->
<Transform DEF='TRANSPARENT_CYLINDER_TRANSFORM'> |
| 27 | <Shape> |
| 28 | <Cylinder height='.5'/> |
| 29 | <Appearance> |
| 30 | <Material diffuseColor='.7 .7 .7' transparency='.5'/> |
| 31 | </Appearance> |
| 32 | </Shape> |
| 33 | </Transform> |
| 34 | <!-- Now restore original Y=up coordinate frame prior to drawing actual geometry --> |
| 35 | <Transform rotation='1 0 0 -1.57'> |
| 36 | <Shape> |
| 37 | <Box size='1 3 1'/> |
| 38 |
<!-- Appearance
FIRST_APPEARANCE is a DEF node that has 1 USE node: USE_1 -->
<Appearance DEF='FIRST_APPEARANCE'> |
| 39 | <Material diffuseColor='.9 .9 .1' emissiveColor='.2 .2 .05'/> |
| 40 | </Appearance> |
| 41 | </Shape> |
| 42 | </Transform> |
| 43 | </Transform> |
| 44 | </Transform> |
| 45 | <!-- Note this second example uses a simpler pattern: since we are not rotating the axis of the CylinderSensor away from the vertical, we do not need to change that rotation back again for the target geometry. --> |
| 46 |
<!-- ROUTE information for SECOND_TRANSFORM node:
[from SECOND_CYLINDERSENSOR.rotation_changed to set_rotation
]
-->
<Transform DEF='SECOND_TRANSFORM' translation='2 0 0'> |
| 47 |
<!-- ROUTE information for SECOND_CYLINDERSENSOR node:
[from rotation_changed to SECOND_TRANSFORM.set_rotation
]
-->
<CylinderSensor DEF='SECOND_CYLINDERSENSOR' description='Click and drag to rotate'/> |
| 48 | < ROUTE fromNode='SECOND_CYLINDERSENSOR' fromField='rotation_changed' toNode='SECOND_TRANSFORM' toField='set_rotation'/> |
| 49 | <!-- Keep transparent user-interface geometry in this rotated CylinderSensor coordinate frame --> |
| 50 | <Transform USE='TRANSPARENT_CYLINDER_TRANSFORM'/> |
| 51 | <!-- Rotate actual geometry --> |
| 52 | <Transform rotation='1 0 0 0.52'> |
| 53 | <Shape> |
| 54 | <Cone/> |
| 55 | <Appearance USE='FIRST_APPEARANCE'/> |
| 56 | </Shape> |
| 57 | </Transform> |
| 58 | </Transform> |
| 59 | </Scene> |
| 60 | </X3D> |
Index for DEF nodes:
FIRST_APPEARANCE,
FIRST_CYLINDERSENSOR,
FIRST_TRANSFORM,
SECOND_CYLINDERSENSOR,
SECOND_TRANSFORM,
TRANSPARENT_CYLINDER_TRANSFORM
Event Graph ROUTE Table entries with 2 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.
|
FIRST_CYLINDERSENSOR
CylinderSensor rotation_changed SFRotation |
FIRST_TRANSFORM
Transform set_rotation SFRotation |
|
SECOND_CYLINDERSENSOR
CylinderSensor rotation_changed SFRotation |
SECOND_TRANSFORM
Transform set_rotation SFRotation |
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