/
bub.py
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bub.py
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####################################################################################################
#
# Invoking X3D model self-test:
#
# $ python bub.py
#
# Python package x3d.py package is available on PyPI for import.
# This approach simplifies Python X3D deployment and use.
# https://pypi.org/project/x3d
#
# Installation:
# pip install x3d
# or
# python -m pip install x3d
#
# Developer options for loading x3d package in other Python programs:
#
# from x3d import * # preferred approach, terser source that avoids x3d.* class prefixes
#
# or
# import x3d # traditional way to subclass x3d package, all classes require x3d.* prefix,
# # but python source is very verbose, for example x3d.Material x3d.Shape etc.
# # X3dToPython.xslt stylesheet insertPackagePrefix=true supports this option.
#
####################################################################################################
from x3d import *
newModel=X3D(profile='Immersive',version='4.0',
head=head(
children=[
component(level=1,name='Scripting'),
component(name='EnvironmentalEffects',level=3),
component(name='Shaders',level=1),
component(name='CubeMapTexturing',level=1),
component(name='Texturing',level=1),
component(name='Rendering',level=1),
# <component name='Shape' level='4'></component>
component(name='Grouping',level=3),
component(name='Core',level=1),
meta(name='title',content='bub.x3d'),
meta(name='creator',content='John Carlson'),
meta(name='description',content='3 prismatic spheres'),
meta(name='generator',content='X3D-Edit, https://savage.nps.edu/X3D-Edit'),
meta(name='identifier',content='https://coderextreme.net/X3DJSONLD/src/main/data/bub.x3d')]),
Scene=Scene(
children=[
NavigationInfo(),
Background(backUrl=["../resources/images/all_probes/stpeters_cross/stpeters_back.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_back.png"],bottomUrl=["../resources/images/all_probes/stpeters_cross/stpeters_bottom.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_bottom.png"],frontUrl=["../resources/images/all_probes/stpeters_cross/stpeters_front.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_front.png"],leftUrl=["../resources/images/all_probes/stpeters_cross/stpeters_left.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_left.png"],rightUrl=["../resources/images/all_probes/stpeters_cross/stpeters_right.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_right.png"],topUrl=["../resources/images/all_probes/stpeters_cross/stpeters_top.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_top.png"]),
Viewpoint(position=(0,0,20),description='Look at the bubbles flying'),
ProtoDeclare(name='Bubble',
ProtoBody=ProtoBody(
children=[
Transform(DEF='transform',
children=[
Shape(DEF='myShape',
appearance=Appearance(
material=Material(diffuseColor=(.7,.7,.7),specularColor=(.5,.5,.5)),
texture=ComposedCubeMapTexture(DEF='texture',
backTexture=ImageTexture(url=["../resources/images/all_probes/stpeters_cross/stpeters_back.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_back.png"]),
bottomTexture=ImageTexture(url=["../resources/images/all_probes/stpeters_cross/stpeters_bottom.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_bottom.png"]),
frontTexture=ImageTexture(url=["../resources/images/all_probes/stpeters_cross/stpeters_front.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_front.png"]),
leftTexture=ImageTexture(url=["../resources/images/all_probes/stpeters_cross/stpeters_left.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_left.png"]),
rightTexture=ImageTexture(url=["../resources/images/all_probes/stpeters_cross/stpeters_right.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_right.png"]),
topTexture=ImageTexture(url=["../resources/images/all_probes/stpeters_cross/stpeters_top.png","https://coderextreme.net/X3DJSONLD/src/main/resources/images/all_probes/stpeters_cross/stpeters_top.png"])),
#
<ComposedShader DEF='gl' language="GLSL">
<field name='cube' type='SFInt32' accessType="inputOutput" value='0'/>
<field name='chromaticDispertion' type='SFVec3f' accessType="inputOutput" value='0.98 1.0 1.033'/>
<field name='bias' type='SFFloat' accessType="inputOutput" value='0.5'/>
<field name='scale' type='SFFloat' accessType="inputOutput" value='0.5'/>
<field name='power' type='SFFloat' accessType="inputOutput" value='2.0'/>
<ShaderPart url='"../shaders/gl.vs" "https://coderextreme.net/X3DJSONLD/src/main/shaders/gl.vs"' type='VERTEX'></ShaderPart>
<ShaderPart url='"../shaders/pc_bubbles.fs" "https://coderextreme.net/X3DJSONLD/src/main/shaders/pc_bubbles.fs"' type='FRAGMENT'></ShaderPart>
</ComposedShader>
<ComposedShader DEF='freewrl' language="GLSL">
<field name='fw_textureCoodGenType' type='SFInt32' accessType="inputOutput" value='0'/>
<field name='chromaticDispertion' type='SFVec3f' accessType="inputOutput" value='0.98 1.0 1.033'/>
<field name='bias' type='SFFloat' accessType="inputOutput" value='0.5'/>
<field name='scale' type='SFFloat' accessType="inputOutput" value='0.5'/>
<field name='power' type='SFFloat' accessType="inputOutput" value='2.0'/>
<ShaderPart url='"../shaders/freewrl.vs" "https://coderextreme.net/X3DJSONLD/src/main/shaders/freewrl.vs"' type='VERTEX'></ShaderPart>
<ShaderPart url='"../shaders/pc_bubbles.fs" "https://coderextreme.net/X3DJSONLD/src/main/shaders/pc_bubbles.fs"' type='FRAGMENT'></ShaderPart>
</ComposedShader>
shaders=[
ComposedShader(DEF='x3dom',language='GLSL',
field=[
field(name='cube',type='SFInt32',accessType='inputOutput',value=0),
field(name='chromaticDispertion',type='SFVec3f',accessType='inputOutput',value=(0.98,1.0,1.033)),
field(name='bias',type='SFFloat',accessType='inputOutput',value=0.5),
field(name='scale',type='SFFloat',accessType='inputOutput',value=0.5),
field(name='power',type='SFFloat',accessType='inputOutput',value=2.0)],
parts=[
ShaderPart(url=["../shaders/x3dom.vs","https://coderextreme.net/X3DJSONLD/src/main/shaders/x3dom.vs"]),
ShaderPart(url=["../shaders/pc_bubbles.fs","https://coderextreme.net/X3DJSONLD/src/main/shaders/pc_bubbles.fs"],type='FRAGMENT')]),
#
<ComposedShader DEF='instant' language="GLSL">
<field name='cube' type='SFInt32' accessType="inputOutput" value='0'/>
<field name='chromaticDispertion' type='SFVec3f' accessType="inputOutput" value='0.98 1.0 1.033'/>
<field name='bias' type='SFFloat' accessType="inputOutput" value='0.5'/>
<field name='scale' type='SFFloat' accessType="inputOutput" value='0.5'/>
<field name='power' type='SFFloat' accessType="inputOutput" value='2.0'/>
<ShaderPart url='"../shaders/instant.vs" "https://coderextreme.net/X3DJSONLD/src/main/shaders/instant.vs"' type='VERTEX'></ShaderPart>
<ShaderPart url='"../shaders/pc_bubbles.fs" "https://coderextreme.net/X3DJSONLD/src/main/shaders/pc_bubbles.fs"' type='FRAGMENT'></ShaderPart>
</ComposedShader>
ComposedShader(DEF='x_ite',language='GLSL',
field=[
field(name='cube',type='SFNode',accessType='inputOutput',
children=[
ComposedCubeMapTexture(USE='texture')]),
field(name='chromaticDispertion',type='SFVec3f',accessType='inputOutput',value=(0.98,1.0,1.033)),
field(name='bias',type='SFFloat',accessType='inputOutput',value=0.5),
field(name='scale',type='SFFloat',accessType='inputOutput',value=0.5),
field(name='power',type='SFFloat',accessType='inputOutput',value=2.0)],
parts=[
ShaderPart(url=["../shaders/x_ite.vs","https://coderextreme.net/X3DJSONLD/src/main/shaders/x_ite.vs"]),
ShaderPart(url=["../shaders/x_itebubbles.fs","https://coderextreme.net/X3DJSONLD/src/main/shaders/x_itebubbles.fs"],type='FRAGMENT')])]),
geometry=Sphere(),)]),
Script(DEF='Bounce',
field=[
field(name='translation',accessType='inputOutput',type='SFVec3f',value=(0,0,0)),
field(name='velocity',accessType='inputOutput',type='SFVec3f',value=(0,0,0)),
field(name='set_fraction',accessType='inputOnly',type='SFTime')],
sourceCode="""
ecmascript:
function initialize() {
translation = new SFVec3f(0, 0, 0);
velocity = new SFVec3f(
Math.random() - 0.5,
Math.random() - 0.5,
Math.random() - 0.5);
}
function set_fraction() {
translation = new SFVec3f(
translation.x + velocity.x,
translation.y + velocity.y,
translation.z + velocity.z);
if (Math.abs(translation.x) > 10) {
initialize();
} else if (Math.abs(translation.y) > 10) {
initialize();
} else if (Math.abs(translation.z) > 10) {
initialize();
} else {
velocity.x += Math.random() * 0.2 - 0.1;
velocity.y += Math.random() * 0.2 - 0.1;
velocity.z += Math.random() * 0.2 - 0.1;
}
}
"""),
TimeSensor(DEF='TourTime',cycleInterval=0.150,loop=True),
ROUTE(fromNode='TourTime',fromField='cycleTime',toNode='Bounce',toField='set_fraction'),
ROUTE(fromNode='Bounce',fromField='translation_changed',toNode='transform',toField='set_translation')])),
ProtoInstance(name='Bubble'),
ProtoInstance(name='Bubble'),
ProtoInstance(name='Bubble')])
) # X3D model complete
####################################################################################################
# Self-test diagnostics
####################################################################################################
print('Self-test diagnostics for bub.py:')
if metaDiagnostics(newModel): # built-in utility method in X3D class
print(metaDiagnostics(newModel)) # display meta info, hint, warning, error, TODO values in this model
# print('check newModel.XML() serialization...')
newModelXML= newModel.XML() # test export method XML() for exceptions during export
newModel.XMLvalidate()
# print(newModelXML) # diagnostic
try:
# print('check newModel.VRML() serialization...')
newModelVRML=newModel.VRML() # test export method VRML() for exceptions during export
# print(prependLineNumbers(newModelVRML)) # debug
print("Python-to-VRML export of VRML output successful", flush=True)
except Exception as err: # usually BaseException
# https://stackoverflow.com/questions/18176602/how-to-get-the-name-of-an-exception-that-was-caught-in-python
print("*** Python-to-VRML export of VRML output failed:", type(err).__name__, err)
if newModelVRML: # may have failed to generate
print(prependLineNumbers(newModelVRML, err.lineno))
try:
# print('check newModel.JSON() serialization...')
newModelJSON=newModel.JSON() # test export method JSON() for exceptions during export
# print(prependLineNumbers(newModelJSON)) # debug
print("Python-to-JSON export of JSON output successful (under development)")
except Exception as err: # usually SyntaxError
print("*** Python-to-JSON export of JSON output failed:", type(err).__name__, err)
if newModelJSON: # may have failed to generate
print(prependLineNumbers(newModelJSON,err.lineno))
print("python bub.py load and self-test diagnostics complete.")