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Figure 31.8
A Boolean-filter node type. |
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Click on the image to view the VRML scene. |
#VRML V2.0 utf8
# The VRML 2.0 Sourcebook
# Copyright (c) 1997
# Andrea L. Ames, David R. Nadeau, and John L. Moreland
PROTO BooleanFilter [
eventIn SFBool set_boolean
eventOut SFBool true_changed
eventOut SFBool false_changed
] {
Script {
eventIn SFBool set_boolean IS set_boolean
eventOut SFBool true_changed IS true_changed
eventOut SFBool false_changed IS false_changed
url "javascript:
function set_boolean( bool, eventTime ) {
if ( bool == true ) { true_changed = true; }
else { false_changed = true; }
}"
}
}