media @ VU
web3d-x-nurb-ip.vr
web3d-x-nurb-ip.vr
(wrl
)
[ flux /
bitmanagement /
cortona /
octaga
]
Web3D/VR
nurb interpolation
externnproto
EXTERNPROTO NurbsPositionInterpolator [
eventIn SFFloat set_fraction
eventIn MFFloat set_knot
eventIn MFFloat set_order
eventIn MFFloat set_keyValue
exposedField SFBool fractionAbsolute
exposedField MFFloat keyWeight
field MFFloat knot
field SFInt32 order
field MFVec3f keyValue
eventOut SFVec3f value_changed
]
[
"urn:inet:blaxxun.com:node:NurbsPositionInterpolator",
"nurbs.wrl#NurbsPositionInterpolator" # for local testing
"<a href=http://www.blaxxun.co>/vrml/protos/nurbs.wrl#NurbsPositionInterpolator"
]
extern proto curve
EXTERNPROTO NurbsCurve [
field MFFloat knot
field SFInt32 order
exposedField MFVec3f controlPoint
exposedField MFFloat weight
exposedField SFInt32 tessellation
]
[
"urn:inet:blaxxun.com:node:NurbsCurve",
"nurbs.wrl#NurbsCurve" # for local testing
"<a href=http://www.blaxxun.co>/vrml/protos/nurbs.wrl#NurbsCurve"
]
transform root
Transform {
children [
Shape {
appearance Appearance {
material Material {
diffuseColor 0 1 0
ambientIntensity 1
emissiveColor 1 0 0
}
}
geometry NurbsCurve {
knot [0, 0, 0, .2, .4, .6, .8, 1, 1]
tessellation 50
controlPoint [0 0 0, 1 1 0, 0 2 0, 2 3 0, -1 4 0, 5 5 0]
}
}
interpolator
DEF NurbsInt NurbsPositionInterpolator {
knot[0, 0, 0, .2, .4, .6, .8, 1, 1]
keyValue[0 0 0, 1 1 0, 0 2 0, 2 3 0, -1 4 0, 5 5 0]
}
DEF sphere Transform {
children [
Shape {
appearance Appearance {
material Material {
diffuseColor 0 1 0
emissiveColor 1 0 0
}
}
geometry Transform {
children [
Shape {
appearance Appearance {
material Material {
diffuseColor 0 1 0
§2 .html>Sphere {radius .1}
}
]
}
timer and routing
DEF spherets TimeSensor { loop TRUE cycleInterval 10 }
]
}
ROUTE spherets.fraction_changed TO NurbsInt.set_fraction
ROUTE NurbsInt.value_changed TO sphere.set_translation
(C) A. Eliëns
21/5/2007
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
