#VRML V2.0 utf8

PROTO BLACKBOARD [
	eventIn	SFBool isok
	eventIn	SFBool help
	eventOut SFBool	openbb
	eventIn SFBool credits
]

{
	EXTERNPROTO Layer3D[
		exposedField SFVec2f translation
		exposedField SFVec2f size
		exposedField SFNode viewpoint
		exposedField MFNode children
	]
	[
	"urn:inet:blaxxun.com:node:Layer3D"
	"http://www.blaxxun.com/vrml/protos/nodes.wrl#Layer3D"
	"http://www.blaxxun.com/developer/contact/3d/vrml/demo/layer/nodes.wrl#Layer3D"
	]

	DEF	switch Switch {
		whichChoice	-1
		choice [

DEF layer Layer3D	{
	viewpoint Viewpoint	{
	position 0 0 1
	}
	size 1 1
	children [

        # blackboard shape
		Shape {
			geometry Box {
				size 0.7 0.5 0.01
			}
			appearance Appearance {
				material Material {
				#	diffuseColor 1 0 0 
					transparency 0.4
				}
			}

		}

        # blackboard close icon
						Transform {
							translation	0.32 0.22 0.011
							children [
								DEF butclosebb TouchSensor {
								}
								Shape {
									geometry Box {
										size 0.05 0.05 0.0001
									}
									appearance Appearance {
										texture ImageTexture {
											url	"images/close.jpg"
										}
									}
								}
							]
						} 
						Transform {
							translation 0 .20 .01
							children [
								Shape {
									geometry DEF title Text {
										#string "De poldermolen"
										fontStyle FontStyle {
											size .04
											justify "MIDDLE"
										}
									}
								}
							]
						}
						Transform {
							translation -0.22 0.2 .01
							children [
								Shape {
									geometry DEF text Text {
										fontStyle FontStyle {
											size .025
										}
									}
								}
							]
						}
						Transform {
							translation -0.15 -0.2 .01
							children [
							DEF Title4 Anchor  {
								url     "intro.wrl" 
								description  "To the introduction"
								children [
								Shape {
									geometry Box {
										size .167 .04 .0001
									}
									appearance Appearance {
										material Material {
											diffuseColor 1 1 1
											emissiveColor 1 1 1
										}
										texture ImageTexture {
											url "images\introduction.jpg"
										}
									}  
								}
							]
						}
					]}
						Transform {
							translation .15 -.2 .01
							children [
								DEF TS_knopCreditsLS TouchSensor {	 
								}
								Shape {
									geometry Box {
										size .167 .04 .0001
									}
									appearance Appearance {
										texture ImageTexture {
											url "images\credits.jpg"
										}
									}
								}
							]
						}
					]
				}
			]
		}

DEF	scrbb Script {
	eventIn	SFBool help IS help
	eventIn	SFTime time
	eventIn	SFBool bbok IS isok
	eventIn	SFBool offbb
	eventIn	SFBool credits IS credits
	eventOut SFVec2f trans

	field SFTime begintime 0
	eventOut SFBool bb IS openbb
	eventOut SFTime	starttijd
	eventOut SFBool	on 

	eventOut MFString title
	eventOut MFString text
	eventOut SFVec3f size
	eventOut SFInt32 onScreen

	url "javascript:

	function initialize () {
		trans = new SFVec2f(0,-1);
		bb = false;
		on = false;
		onScreen = -1;

	}

//	 #if blackboard is ok, display title and texts
//	function bbok (value,timer) {
//		if (value) {
//			bb = true;
//			begintime = timer;
//			timerAan = true;	
//			size = new SFVec3f(0.1, 0.1, 0.01);
//			title = new MFString('              Introduction - Guide Tour');
//			text = new MFString(
//				'',
//			    'All 31 works will be present, including:',	  
//		        '',
//                '(1) 12 Transitory objects for human use',
//                '',
//                '(2) 6 Objects, performances and installations',
//                '',
//                '(3) 6 Video Installations',
//                '',
//                '(4) 7 Abramovic works');
//			on = true;
//			onScreen = -1;
//		 }
//	}

	function help(value,timer) {
		if (value) {
			bb = true;
			begintime = timer;
			timerAan = true;	
			size = new SFVec3f(0.1, 0.1, 0.01);
			title = new MFString('              Help');
			text = new MFString(
				'',
				'Hi there!',
				'Welcome to the mini digital dossier about music.',
				'This is a dossier built in VRML and can be considered',
				'a proof of concept. For more information visit', 
				'http://www.few.vu.nl/~dossier05',
				''
			    );
			on = true;
			onScreen = 0;
		 }
	}

	function credits(value,timer) {
		if (value) {
			bb = true;
//			begintime = timer;
//			timerAan = true;	
			size = new SFVec3f(0.1, 0.1, 0.01);
			title = new MFString('              Credits');
			text = new MFString(
				'',
				'This project has been developed by students of the Vrije ', 
				'Universiteit van Amsterdam and the Universiteit van Amsterdam ',
				'as part of the course Multimedia Design Casus. This project ',
				'was done in cooperation with Instituut Collectie Nederland ',
				'(Netherlands Institute of Cultural Heritage).',
				'',
				'Contact person: Michela Negrini (michelanegrini@hotmail.com)',
				'Supervisor (VU Amsterdam):Anton Eliens (eliens@cs.vu.nl)',
				'',
				'Students:',
				'Jina Menke, Tim Verweij, Eric de Boer, Yiwen Wang, Abeer',
				'Mahdi, Olaf van Zon, Jurgen Koster, Chris van Riel, Pascal', 
				'Snijders Blok',
				'                                        januari 2005                  '
			    );
			on = true;
			onScreen = 0;
		 }
	}

    // close blackboard
	function offbb (value,timer) {
		if (value) { 
			bb = false;
			on = true;
			begintime = timer;
		}
	}

    // open blackboard
	function time(value) {		
		if (bb) {
			if (value - begintime < 2) {
				trans.y = 1 - 0.5 * (value - begintime);
			} else {
				on = false;
				onScreen = 0;
			}

		}

		if	(!bb) {
			if (value - begintime < 2) {
				trans.y = 0.5 * (value - begintime);
			} else {
				on = false;
				onScreen = -1;
			}
		}
	}
	"
}

DEF Timer TimeSensor {
	enabled	TRUE
	loop TRUE
}

ROUTE TS_knopCreditsLS.isActive	TO scrbb.credits
ROUTE scrbb.title TO title.string
ROUTE scrbb.text TO text.string
ROUTE Timer.time TO	scrbb.time
ROUTE scrbb.trans TO layer.translation
ROUTE butclosebb.isActive TO scrbb.offbb
ROUTE scrbb.onScreen TO	switch.whichChoice
ROUTE scrbb.on TO Timer.enabled
}


BLACKBOARD {}