1 |
<?xml version="1.0" encoding="UTF-8"?>
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2 |
<!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='Immersive' 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='HotAirBalloon.x3d'/> |
6 | <meta name='creator' content='Mike Hunsberger'/> |
7 | <meta name='description' content='Hot Air Balloon that fires and lifts off from the pad. The balloon is built by scaling a circle around a straight spline.'/> |
8 | <meta name='created' content='3 September 2000'/> |
9 | <meta name='modified' content='20 October 2019'/> |
10 | <meta name='identifier' content='https://savage.nps.edu/Savage/AircraftMiscellaneous/Balloon/HotAirBalloon.x3d'/> |
11 | <meta name='license' content='../../license.html'/> |
12 | </head> |
13 | <Scene> |
14 | <!-- Computational cost of Extrusion compared to IndexedFaceSet: quicker to download, takes time to calculate polygonal faces and normals during initial loading, equally fast at run time. --> |
15 | <!-- Authoring capabilities of Extrusion compared to IndexedFaceSet: can be more complicated to express, but also can provide great detail with much less effort. --> |
16 | <!-- First position and rotate viewpoint into positive-X-Y-Z octant using a Transform --> |
17 | <WorldInfo title='HotAirBalloon.x3d'/> |
18 | <Transform rotation='0 1 0 0.758' translation='10 5 0'> |
19 | <Viewpoint description='Wide Angle' orientation='1 0 0 -0.3' position='0 10 25'/> |
20 | </Transform> |
21 |
<!-- ROUTE information for Balloon node:
[from BalloonPath.value_changed to set_translation
]
-->
<Transform DEF='Balloon'> |
22 | <Group> |
23 | <Transform translation='0 -1 0'> |
24 | <Shape> |
25 | <Appearance> |
26 | <Material diffuseColor='.8 .8 .8'/> |
27 | </Appearance> |
28 | <Box size='.85 .85 .85'/> |
29 | </Shape> |
30 | </Transform> |
31 | <Transform translation='0 -.65 0'> |
32 | <Shape> |
33 | <Appearance> |
34 | <Material diffuseColor='.8 .8 .8'/> |
35 | </Appearance> |
36 | <Cylinder height='.7' radius='.2' top='false'/> |
37 | </Shape> |
38 | </Transform> |
39 | <Shape> |
40 | <Appearance> |
41 | <Material diffuseColor='1 0 1'/> |
42 | </Appearance> |
43 | <Extrusion beginCap='false' creaseAngle='1.57' crossSection='1.00 0.00 0.92 -0.38 0.71 -0.71 0.38 -0.92 0.00 -1.00 -0.38 -0.92 -0.71 -0.71 -0.92 -0.38 -1.00 -0.00 -0.92 0.38 -0.71 0.71 -0.38 0.92 0.00 1.00 0.38 0.92 0.71 0.71 0.92 0.38 1.00 0.00' scale='.6 .6 1.0 1.0 1.3 1.3 1.5 1.5 1.7 1.7 1.9 1.9 2.15 2.15 2.35 2.35 2.4 2.4 2.32 2.32 2.2 2.2 1.85 1.85 1.5 1.5 0.4 0.4' solid='false' spine='0.0 0.0 0.0 0.0 0.4 0.0 0.0 0.8 0.0 0.0 1.2 0.0 0.0 1.6 0.0 0.0 2.0 0.0 0.0 2.4 0.0 0.0 2.8 0.0 0.0 3.2 0.0 0.0 3.6 0.0 0.0 4.0 0.0 0.0 4.4 0.0 0.0 4.8 0.0 0.0 5.2 0.0'/> |
44 | </Shape> |
45 | <Transform> |
46 | <Group> |
47 | <Shape> |
48 | <Appearance> |
49 | <Material diffuseColor='1 0 0' emissiveColor='1 0 0'/> |
50 | </Appearance> |
51 | <IndexedLineSet coordIndex='0 1'> |
52 | <Coordinate point='.4 -.85 .4 .45 0 .45'/> |
53 | </IndexedLineSet> |
54 | </Shape> |
55 | <Shape> |
56 | <Appearance> |
57 | <Material diffuseColor='1 0 0' emissiveColor='1 0 0'/> |
58 | </Appearance> |
59 | <IndexedLineSet coordIndex='0 1'> |
60 | <Coordinate point='-.4 -.85 .4 -.45 0 .45'/> |
61 | </IndexedLineSet> |
62 | </Shape> |
63 | <Shape> |
64 | <Appearance> |
65 | <Material diffuseColor='1 0 0' emissiveColor='1 0 0'/> |
66 | </Appearance> |
67 | <IndexedLineSet coordIndex='0 1'> |
68 | <Coordinate point='.4 -.85 -.4 .45 0 -.45'/> |
69 | </IndexedLineSet> |
70 | </Shape> |
71 | <Shape> |
72 | <Appearance> |
73 | <Material diffuseColor='1 0 0' emissiveColor='1 0 0'/> |
74 | </Appearance> |
75 | <IndexedLineSet coordIndex='0 1'> |
76 | <Coordinate point='-.4 -.85 -.4 -.45 0 -.45'/> |
77 | </IndexedLineSet> |
78 | </Shape> |
79 | </Group> |
80 | </Transform> |
81 |
<!-- ROUTE information for Fire node:
[from FirePath.value_changed to set_translation
]
-->
<Transform DEF='Fire'> |
82 | <Shape> |
83 | <Appearance> |
84 | <Material diffuseColor='.8 .8 .0'/> |
85 | </Appearance> |
86 | <Cylinder height='.7' radius='.18'/> |
87 | </Shape> |
88 | </Transform> |
89 | </Group> |
90 | </Transform> |
91 | <Transform translation='0 -2 0'> |
92 | <Shape> |
93 | <Appearance> |
94 | <Material/> |
95 | </Appearance> |
96 | <Box size='20 .1 20'/> |
97 | </Shape> |
98 | </Transform> |
99 |
<!-- ROUTE information for FireClock node:
[from fraction_changed to FirePath.set_fraction
]
-->
<TimeSensor DEF='FireClock' cycleInterval='4' loop='true'/> |
100 |
<!-- ROUTE information for FirePath node:
[from FireClock.fraction_changed to set_fraction
]
[from value_changed to Fire.set_translation
]
-->
<PositionInterpolator DEF='FirePath' key='0 .05 .7 .75' keyValue='0 -.7 0 0 0 0 0 0 0 0 -.7 0'/> |
101 |
<!-- ROUTE information for BalloonClock node:
[from fraction_changed to BalloonPath.set_fraction
]
-->
<TimeSensor DEF='BalloonClock' cycleInterval='20' loop='true'/> |
102 |
<!-- ROUTE information for BalloonPath node:
[from BalloonClock.fraction_changed to set_fraction
]
[from value_changed to Balloon.set_translation
]
-->
<PositionInterpolator DEF='BalloonPath' key='0 .1 .15 .2 .25 .3 .5 1' keyValue='0 0 0 0 0 0 0 .5 0 0 1 0 0 2 0 0 4 0 0 12 0 0 28 0'/> |
103 | < ROUTE fromNode='FireClock' fromField='fraction_changed' toNode='FirePath' toField='set_fraction'/> |
104 | < ROUTE fromNode='FirePath' fromField='value_changed' toNode='Fire' toField='set_translation'/> |
105 | < ROUTE fromNode='BalloonClock' fromField='fraction_changed' toNode='BalloonPath' toField='set_fraction'/> |
106 | < ROUTE fromNode='BalloonPath' fromField='value_changed' toNode='Balloon' toField='set_translation'/> |
107 | </Scene> |
108 | </X3D> |
Event Graph ROUTE Table entries with 4 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.
BalloonClock
TimeSensor fraction_changed SFFloat |
BalloonPath
PositionInterpolator set_fraction SFFloat |
then
|
BalloonPath
PositionInterpolator value_changed SFVec3f |
Balloon
Transform set_translation SFVec3f |
FireClock
TimeSensor fraction_changed SFFloat |
FirePath
PositionInterpolator set_fraction SFFloat |
then
|
FirePath
PositionInterpolator value_changed SFVec3f |
Fire
Transform set_translation SFVec3f |
<!--
Color legend: X3D terminology
<X3dNode
DEF='idName' field='value'/>
matches XML terminology
<XmlElement
DEF='idName' attribute='value'/>
(Light-blue background: event-based behavior node or statement)
(Grey background inside box: inserted documentation)
(Magenta background: X3D Extensibility)
-->
<!--
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