TextToSpeech{} usage example in VRML/X3D

text_to_speech.wrl

#VRML V2.0 utf8

EXTERNPROTO TextToSpeech [
	exposedField SFString description
	exposedField SFFloat pitch
	exposedField SFFloat volume
	exposedField SFFloat speed
	exposedField SFBool enabled
	eventIn SFString text
	eventOut SFBool isActive
] "urn:inet:bitmanagement.de:node:TextToSpeech"


DEF speech TextToSpeech {
	volume 100
}


DEF script Script {
	field		SFNode		speech		USE speech
	eventIn		SFTime		speak
	directOutput TRUE
	url "javascript:
	function speak(){
		speech.text = 'Hello world';
	}
	"
}

Group {
	children [
		DEF sensor TouchSensor{}
		Shape {
			appearance Appearance{
				material Material{
					diffuseColor 0 0 0
					emissiveColor 0 1 0
				}
			}
			geometry Sphere{}
		}
	]
	ROUTE sensor.touchTime TO script.speak
}