class Appearance(node.Node):
PROTO = 'Appearance'
#Fields
material = field.newField('material', 'SFNode', 1, node.NULL)
texture = field.newField('texture', 'SFNode', 1, node.NULL)
textureTransform = field.newField('textureTransform', 'SFNode', 1,
node.NULL)
class Text(nodetypes.Geometry, node.Node):
PROTO = 'Text'
#Fields
length = field.newField('length', 'MFFloat', 1, list)
fontStyle = field.newField('fontStyle', 'SFNode', 1, node.NULL)
string = field.newField('string', 'MFString', 1, list)
maxExtent = field.newField('maxExtent', 'SFFloat', 1, 0.0)
class Cone(nodetypes.Geometry, node.Node):
PROTO = 'Cone'
#Fields
bottom = field.newField('bottom', 'SFBool', 0, 1)
side = field.newField('side', 'SFBool', 0, 1)
bottomRadius = field.newField('bottomRadius', 'SFFloat', 0, 1.0)
height = field.newField('height', 'SFFloat', 0, 2.0)
def ScriptFieldDecl( self, table, buffer):
"""Field declaration for a script node"""
(tag, left, right, (exposure, datatype, name, value)) = table
datatype = getString( datatype, buffer )
self.fieldTypeStack.append(
datatype
)
try:
if value[0] == 'IS':
mapName = self.IS( value, buffer )
value = None
fieldObject = field.newField(
getString(name, buffer),
datatype,
getString( exposure, buffer ) == 'exposedField',
)
else:
mapName = None
value = dispatch( self, value, buffer )
fieldObject = field.newField(
getString(name, buffer),
datatype,
getString( exposure, buffer ) == 'exposedField',
value
)
return (fieldObject, mapName)
finally:
self.fieldTypeStack.pop()
class TextureTransform(node.Node):
PROTO = 'TextureTransform'
#Fields
rotation = field.newField('rotation', 'SFFloat', 1, 0.0)
scale = field.newField('scale', 'SFVec2f', 1, [1.0, 1.0])
translation = field.newField('translation', 'SFVec2f', 1, [0.0, 0.0])
center = field.newField('center', 'SFVec2f', 1, [0.0, 0.0])
class IntUniform(node.Node):
"""Uniform (variable) binding for a shader (integer form)
"""
PROTO = "IntUniform"
name = field.newField('name', 'SFString', 1, '')
# type values, 1i,2i,3i,4i
value = field.newField('value', 'MFInt32', 1, list)
class VisualScene(scenegraph.SceneGraph):
"""A Visual-style scenegraph"""
# background represents a SimpleBackground-style node...
background = field.newField('background', 'SFColor', 1, (0, 0, 1))
# ambient lighting
ambient = field.newField("ambient", "SFFloat", 1, 0.2)
# will have to be manually extracted from scenegraph
lights = field.newField("lights", "MFVec3f", 1, [
(2, 3, 2),
])
# will have to be manually extracted from scenegraph
objects = field.newField("objects", "MFNode", 1, list)
def renderedChildren(self,
types=(
nodetypes.Children,
nodetypes.Rendering,
)):
"""List of all children that are instances of given types
Default scenegraph uses "children" while the VPython
scenegraph uses "objects"...
"""
items = [child for child in self.objects if isinstance(child, types)]
return items
class NurbsGroup(node.Node):
"""(Unused) holder for multiple nurbs objects"""
PROTO = "NurbsGroup"
children = field.newField('children', 'MFNode', 1, list)
tessellationScale = field.newField('tessellationScale', 'SFFloat', 1, 1.0)
bboxSize = field.newField('bboxSize', 'SFVec3f', 0, [-1.0, -1.0, -1.0])
bboxCenter = field.newField('bboxCenter', 'SFVec3f', 0, [0.0, 0.0, 0.0])
class SimpleBackground(nodetypes.Background, nodetypes.Children, node.Node):
"""Solid-color Background node
This Background node provides the simplest rendering
algorithm, merely clearing the color buffer to the node's
"color" value.
It also clears the depth buffer.
Attributes of note within the Box object:
color -- r,g,b giving the clear color
bound -- whether or not this Background is active
See:
glClearColor, glClear
"""
color = field.newField('color', 'SFColor', 1, [0.0, 0.0, 0.0])
bound = field.newField('bound', 'SFBool', 1, 0)
def Render(self, mode=None, clear=True):
# should only do this on visible passes...
if mode.passCount == 0:
if self.bound and clear:
r, g, b = self.color
glClearColor(r, g, b, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
class GLSLShader(node.Node):
"""GLSL-based shader node"""
PROTO = "GLSLShader"
url = field.newField('url', 'MFString', 1, list)
source = field.newField('source', 'MFString', 1, list)
imports = field.newField('imports', 'MFNode', 1, list)
# type values, VERTEX or FRAGMENT
type = field.newField('type', 'SFString', 1, 'VERTEX')
class DirectionalLight(nodetypes.Children, nodetypes.Light, node.Node):
PROTO = 'DirectionalLight'
#Fields
color = field.newField('color', 'SFColor', 1, [1.0, 1.0, 1.0])
on = field.newField('on', 'SFBool', 1, 1)
intensity = field.newField('intensity', 'SFFloat', 1, 1.0)
ambientIntensity = field.newField('ambientIntensity', 'SFFloat', 1, 0.0)
direction = field.newField('direction', 'SFVec3f', 1, [0.0, 0.0, -1.0])
class Cylinder(nodetypes.Geometry, node.Node):
PROTO = 'Cylinder'
#Fields
top = field.newField('top', 'SFBool', 0, 1)
bottom = field.newField('bottom', 'SFBool', 0, 1)
radius = field.newField('radius', 'SFFloat', 0, 1.0)
side = field.newField('side', 'SFBool', 0, 1)
height = field.newField('height', 'SFFloat', 0, 2.0)
class ColorInterpolator(nodetypes.Children, nodetypes.Interpolator, node.Node):
PROTO = 'ColorInterpolator'
#Fields
keyValue = field.newField('keyValue', 'MFColor', 1, list)
key = field.newField('key', 'MFFloat', 1, list)
#Events
set_fraction = field.newEvent('set_fraction', 'SFFloat', 0)
value_changed = field.newEvent('value_changed', 'SFColor', 1)
class Glyph3D(Glyph):
"""Storage for a 3D glyph's data"""
PROTO = "Glyph3D"
character = field.newField('character', 'SFString', 1, "")
width = field.newField('width', 'SFFloat', 1, 0.0)
height = field.newField('height', 'SFFloat', 1, 0.0)
contours = field.newField('contours', 'MFVec2f', 1, list)
outlines = field.newField('outlines', 'MFVec2f', 1, list)
class FontStyle3D(FontStyle):
"""FontStyle with ability to specify 3D extrusion properties"""
PROTO = 'FontStyle3D'
quality = field.newField('quality', 'SFInt32', 1, 3)
renderFront = field.newField('renderFront', 'SFBool', 1, 1)
renderSides = field.newField('renderSides', 'SFBool', 1, 0)
renderBack = field.newField('renderBack', 'SFBool', 1, 0)
thickness = field.newField('thickness', 'SFFloat', 1, 0.0)
class NurbsCurve2D(node.Node):
"""A 2D nurbs curve normally used for trimming surfaces"""
PROTO = "NurbsCurve2D"
knot = field.newField('knot', 'MFFloat32', 1, list)
order = field.newField('order', 'SFInt32', 1, 3)
controlPoint = field.newField('controlPoint', 'MFVec2f', 1, list)
weight = field.newField('weight', 'MFFloat32', 1, list)
tessellation = field.newField('tessellation', 'SFInt32', 1, 0)
class Shader(node.Node):
"""Shader is a programmable substitute for an Appearance node"""
PROTO = 'Shader'
#Fields
material = field.newField('material', 'SFNode', 1, node.NULL)
objects = field.newField('objects', 'MFNode', 1, list)
implementation = field.newField('implementation', 'SFNode', 1, node.NULL)
class Fog(nodetypes.Fog, nodetypes.Children, node.Node):
PROTO = 'Fog'
#Fields
color = field.newField('color', 'SFColor', 1, [1.0, 1.0, 1.0])
visibilityRange = field.newField('visibilityRange', 'SFFloat', 1, 0.0)
fogType = field.newField('fogType', 'SFString', 1, 'LINEAR')
#Events
set_bind = field.newEvent('set_bind', 'SFBool', 0)
isBound = field.newEvent('isBound', 'SFBool', 1)
class GLSLObject(node.Node):
"""GLSL-based shader object (compiled set of shaders)"""
PROTO = "GLSLObject"
# role values, VISIBLE, DEPTH, SELECT
role = field.newField('role', 'SFString', 1, 'VISIBLE')
uniforms = field.newField('uniforms', 'MFNode', 1, list)
shaders = field.newField('shaders', 'MFNode', 1, list)
# textures is a set of texture uniforms...
textures = field.newField('textures', 'MFNode', 1, list)
class Group(nodetypes.Children, nodetypes.Grouping, node.Node):
PROTO = 'Group'
#Fields
bboxCenter = field.newField('bboxCenter', 'SFVec3f', 0, [0.0, 0.0, 0.0])
children = field.newField('children', 'MFNode', 1, list)
bboxSize = field.newField('bboxSize', 'SFVec3f', 0, [-1.0, -1.0, -1.0])
#Events
removeChildren = field.newEvent('removeChildren', 'MFNode', 0)
addChildren = field.newEvent('addChildren', 'MFNode', 0)
class VisibilitySensor(nodetypes.Sensor, nodetypes.Children, node.Node):
PROTO = 'VisibilitySensor'
#Fields
enabled = field.newField('enabled', 'SFBool', 1, 1)
center = field.newField('center', 'SFVec3f', 1, [0.0, 0.0, 0.0])
size = field.newField('size', 'SFVec3f', 1, [0.0, 0.0, 0.0])
#Events
exitTime = field.newEvent('exitTime', 'SFTime', 1)
enterTime = field.newEvent('enterTime', 'SFTime', 1)
isActive = field.newEvent('isActive', 'SFBool', 1)
class SphereSensor(nodetypes.Children, nodetypes.PointingSensor, node.Node):
PROTO = 'SphereSensor'
#Fields
enabled = field.newField('enabled', 'SFBool', 1, 1)
autoOffset = field.newField('autoOffset', 'SFBool', 1, 1)
offset = field.newField('offset', 'SFRotation', 1, [0.0, 1.0, 0.0, 0.0])
#Events
rotation_changed = field.newEvent('rotation_changed', 'SFRotation', 1)
isActive = field.newEvent('isActive', 'SFBool', 1)
trackPoint_changed = field.newEvent('trackPoint_changed', 'SFVec3f', 1)
class Billboard(nodetypes.Children, nodetypes.Transforming, node.Node):
PROTO = 'Billboard'
#Fields
bboxCenter = field.newField('bboxCenter', 'SFVec3f', 0, [0.0, 0.0, 0.0])
axisOfRotation = field.newField('axisOfRotation', 'SFVec3f', 1,
[0.0, 1.0, 0.0])
children = field.newField('children', 'MFNode', 1, list)
bboxSize = field.newField('bboxSize', 'SFVec3f', 0, [-1.0, -1.0, -1.0])
#Events
removeChildren = field.newEvent('removeChildren', 'MFNode', 0)
addChildren = field.newEvent('addChildren', 'MFNode', 0)
class NurbsDomainDistanceSample(NurbsSampling):
"""Domain-distance parametric u and v coordinate sampling
"""
uStep = field.newField("uStep", "SFFloat", 1, 100.0)
vStep = field.newField("vStep", "SFFloat", 1, 100.0)
def properties(self, nurbObject):
"""Configure this sampling type"""
gluNurbsProperty(nurbObject, GLU_SAMPLING_METHOD, GLU_DOMAIN_DISTANCE)
gluNurbsProperty(nurbObject, GLU_U_STEP, self.uStep)
gluNurbsProperty(nurbObject, GLU_V_STEP, self.vStep)
class FloatUniform(node.Node):
"""Uniform (variable) binding for a shader
The FloatUniform is the base class for FloatUniforms,
that is, there are FloatUniform1f, FloatUniform2f,
FloatUniformm3x2, etceteras Node-types, but not a
FloatUniform node-type.
"""
name = field.newField('name', 'SFString', 1, '')
# type values, 1f, 2f, 3f, 4f, m2, m3, m4, m2x3,m3x2,m2x4,m4x2,m3x4,m4x3
value = field.newField('value', 'SFArray32', 1, list)
class IndexedLineSet(nodetypes.Geometry, node.Node):
PROTO = 'IndexedLineSet'
#Fields
color = field.newField('color', 'SFNode', 1, node.NULL)
colorPerVertex = field.newField('colorPerVertex', 'SFBool', 0, 1)
colorIndex = field.newField('colorIndex', 'MFInt32', 0, list)
coord = field.newField('coord', 'SFNode', 1, node.NULL)
coordIndex = field.newField('coordIndex', 'MFInt32', 0, list)
#Events
set_coordIndex = field.newEvent('set_coordIndex', 'MFInt32', 0)
set_colorIndex = field.newEvent('set_colorIndex', 'MFInt32', 0)
class Collision(nodetypes.Children, nodetypes.Grouping, node.Node):
PROTO = 'Collision'
#Fields
bboxCenter = field.newField('bboxCenter', 'SFVec3f', 0, [0.0, 0.0, 0.0])
collide = field.newField('collide', 'SFBool', 1, 1)
proxy = field.newField('proxy', 'SFNode', 0, node.NULL)
bboxSize = field.newField('bboxSize', 'SFVec3f', 0, [-1.0, -1.0, -1.0])
children = field.newField('children', 'MFNode', 1, list)
#Events
removeChildren = field.newEvent('removeChildren', 'MFNode', 0)
collideTime = field.newEvent('collideTime', 'SFTime', 1)
addChildren = field.newEvent('addChildren', 'MFNode', 0)
class PlaneSensor(nodetypes.Children, nodetypes.PointingSensor, node.Node):
PROTO = 'PlaneSensor'
#Fields
maxPosition = field.newField('maxPosition', 'SFVec2f', 1, [-1.0, -1.0])
enabled = field.newField('enabled', 'SFBool', 1, 1)
autoOffset = field.newField('autoOffset', 'SFBool', 1, 1)
minPosition = field.newField('minPosition', 'SFVec2f', 1, [0.0, 0.0])
offset = field.newField('offset', 'SFVec3f', 1, [0.0, 0.0, 0.0])
#Events
translation_changed = field.newEvent('translation_changed', 'SFVec3f', 1)
isActive = field.newEvent('isActive', 'SFBool', 1)
trackPoint_changed = field.newEvent('trackPoint_changed', 'SFVec3f', 1)
class NavigationInfo(nodetypes.Children, nodetypes.NavigationInfo, node.Node):
PROTO = 'NavigationInfo'
#Fields
speed = field.newField('speed', 'SFFloat', 1, 1.0)
avatarSize = field.newField('avatarSize', 'MFFloat', 1,
[0.25, 1.6000000000000001, 0.75])
headlight = field.newField('headlight', 'SFBool', 1, 1)
type = field.newField('type', 'MFString', 1, ['WALK'])
visibilityLimit = field.newField('visibilityLimit', 'SFFloat', 1, 0.0)
#Events
set_bind = field.newEvent('set_bind', 'SFBool', 0)
isBound = field.newEvent('isBound', 'SFBool', 1)
class ProximitySensor(nodetypes.Sensor, nodetypes.Children, node.Node):
PROTO = 'ProximitySensor'
#Fields
enabled = field.newField('enabled', 'SFBool', 1, 1)
center = field.newField('center', 'SFVec3f', 1, [0.0, 0.0, 0.0])
size = field.newField('size', 'SFVec3f', 1, [0.0, 0.0, 0.0])
#Events
position_changed = field.newEvent('position_changed', 'SFVec3f', 1)
enterTime = field.newEvent('enterTime', 'SFTime', 1)
exitTime = field.newEvent('exitTime', 'SFTime', 1)
orientation_changed = field.newEvent('orientation_changed', 'SFRotation',
1)
isActive = field.newEvent('isActive', 'SFBool', 1)
class Sound(nodetypes.Auditory, nodetypes.Children, node.Node):
PROTO = 'Sound'
#Fields
priority = field.newField('priority', 'SFFloat', 1, 0.0)
minFront = field.newField('minFront', 'SFFloat', 1, 1.0)
intensity = field.newField('intensity', 'SFFloat', 1, 1.0)
location = field.newField('location', 'SFVec3f', 1, [0.0, 0.0, 0.0])
source = field.newField('source', 'SFNode', 1, node.NULL)
maxBack = field.newField('maxBack', 'SFFloat', 1, 10.0)
minBack = field.newField('minBack', 'SFFloat', 1, 1.0)
maxFront = field.newField('maxFront', 'SFFloat', 1, 10.0)
spatialize = field.newField('spatialize', 'SFBool', 0, 1)
direction = field.newField('direction', 'SFVec3f', 1, [0.0, 0.0, 1.0])
def proxyField( *arguments, **named ):
"""Create a new proxied field"""
base = field.newField( *arguments, **named )
return Proxy( base )
##class Forwarder( object ):
## """Mechanism for forwarding a set to a given sub-object"""
## def __get__( self, client = None ):
## if client is None:
## return self
## else:
## return self.__class__( self.definition, client )
## def __init__( self, definition, client=None ):
## self.definition = definition
## self.client = client
## def __call__( self, *arguments, **named ):
## if self.client is None and arguments:
## client = arguments[0]
## arguments = arguments[1:]
## elif self.client is None:
## raise TypeError( """Unbound forwarder not passed a client object as first argument""" )
## else:
## client = self.client
## for attribute in self.definition:
##
def extFieldDecl(self, table, buffer):
''' An external field declaration, no default value '''
(tag, start, stop, (exposure, datatype, name)) = table
datatype = getString( datatype, buffer )
addField(
self.prototypeStack[-1],
field.newField(
getString(name, buffer),
datatype,
getString( exposure, buffer ) == 'exposedField',
)
)
def fieldDecl( self, table, buffer):
(tag, left, right, (exposure, datatype, name, value)) = table
datatype = getString( datatype, buffer )
self.fieldTypeStack.append(
datatype
)
try:
value = dispatch( self, value, buffer )
addField(
self.prototypeStack[-1],
field.newField(
getString(name, buffer),
datatype,
getString( exposure, buffer ) == 'exposedField',
value,
)
)
finally:
self.fieldTypeStack.pop()