#VRML V2.0 utf8
##<load file=web3d-navigate>

##@ valid

EXTERNPROTO Layer3D[
	exposedField SFVec3f bboxSize
	exposedField SFVec3f bboxCenter
	eventIn MFNode addChildrenLayer
	eventIn MFNode removeChildrenLayer	   
	exposedField MFNode childrenLayer
	exposedField SFVec2f translation
	exposedField SFInt32 depth
	exposedField SFVec2f size
	exposedField SFNode background
	exposedField SFNode fog
	exposedField SFNode navigationInfo
	exposedField SFNode viewpoint
	exposedField MFNode children
	eventIn MFNode addChildren
	eventIn MFNode removeChildren
]
[
  "urn:inet:bitmanagement.de:node:Layer3D",
  "http://www.bitmanagement.de/vrml/protos/nodes.wrl#Layer3D",
  "nodes.wrl#Layer3D"
]

EXTERNPROTO Transform2D [ 
	eventIn		    MFNode	addChildren
	eventIn		    MFNode	removeChildren
	exposedField	MFNode	children
	exposedField	SFVec2f	center
	exposedField	SFFloat	rotationAngle
	exposedField	SFVec2f	scale
	exposedField	SFFloat	scaleOrientation
	exposedField	SFVec2f	translation
]
[
  "urn:inet:bitmanagement.de:node:Transform2D",
  "http://www.bitmanagement.de/vrml/protos/nodes.wrl#Transform2D",
  "nodes.wrl#Transform2D"
]

EXTERNPROTO Material2D [
	exposedField	SFColor			emissiveColor
	exposedField	SFBool			filled		
	exposedField	SFNode			lineProps	
	exposedField	SFFloat			transparency
]
[
  "urn:inet:bitmanagement.de:node:Material2D",
  "http://www.bitmanagement.de/vrml/protos/nodes.wrl#Material2D",
  "nodes.wrl#Material2D"
]

EXTERNPROTO Layer2D[
	eventIn       MFNode		addChildren
	eventIn       MFNode		removeChildren
	exposedField 	MFNode		children
	exposedField	SFVec2f 	translation
	exposedField	SFVec2f 	size
	exposedField	SFNode  	background
	exposedField	SFNode   	viewport
]
["urn:inet:bitmanagement.de:node:Layer2D",
  "http://www.bitmanagement.de/vrml/protos/nodes.wrl#Layer2D",
  "nodes.wrl#Layer2D"
]

EXTERNPROTO Background2D [ 
	eventIn		    SFBool	set_bind
	exposedField	SFColor	backColor
	exposedField	MFString	url
	eventOut	    SFBool	isBound
] 
["urn:inet:bitmanagement.de:node:Background2D",
  "http://www.bitmanagement.de/vrml/protos/nodes.wrl#Background2D",
  "nodes.wrl#Layer2D"
]

EXTERNPROTO Rectangle [ 
  field SFVec2f  size  #2 2 (0,inf)
]
["urn:inet:bitmanagement.de:node:Rectangle",
  "http://www.bitmanagement.de/vrml/protos/nodes.wrl#Rectangle",
  "nodes.wrl#Rectangle"
]

PROTO TEXT [
  exposedField MFString string []
  exposedField SFVec2f translation 0 0
  exposedField SFFloat transparency 0
  field MFString fontfamily ["SANS SERIF"]
  field SFString fontstyle "PLAIN USE_TEXTURE"
  field SFFloat fontsize 1.0
  field SFColor color .4 .4 .4  
] {
  Transform2D {
    translation IS translation
    children [
      Shape {
        geometry Text {
          string IS string
          fontStyle FontStyle {
            family IS fontfamily
            size IS fontsize
            style IS fontstyle
          }
        }
        appearance Appearance {
          material Material {emissiveColor IS color diffuseColor 0 0 0 transparency IS transparency}
        }
      }
    ]
  }
}

DEF time TimeSensor {
  cycleInterval 2
  loop TRUE
}

DEF Layer Layer3D {
  children [
    DEF text TEXT {
      translation -.7 -.0
      fontsize .08
      string "Please type a valid VRML URL and try again"
      color .9 .2 .2
    }
  ]
}

DEF script Script {
  eventIn SFFloat fraction_changed
  eventOut SFFloat transparent

  url "javascript:
  function fraction_changed(v, t) {
    transparent = Math.abs(Math.sin(v * 3.14));
  }
  "
}

ROUTE time.fraction_changed TO script.fraction_changed
ROUTE script.transparent TO text.transparency