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

##@* script logo handler

##@ scene

NavigationInfo {
   type ["NONE"]
}

Viewpoint {
   description "Default View"
   position 5 5 13
}

##@ image

Transform {
   translation 5 5 0
   children [
      Shape {
         appearance Appearance {            
            texture ImageTexture {
               url "@logo.gif"
            }
            textureTransform DEF TEXTRANS TextureTransform {}
         }
         geometry Box {
            size 10 10 1e-8
         }
      }
   ]
}

##@ sensor

Group {
   children [
      DEF SENSOR PlaneSensor {
         minPosition 0 0
         maxPosition 10 10
         offset 10 10 0
      }

      DEF BUTTON Transform {
         translation 10 10 0
         children [
            Shape {
               appearance Appearance {
                  material Material {
                     emissiveColor 1 0 0
                  }
               }
               geometry Sphere {
                  radius 0.1
               }
            }
         ]
      }
   ]
}

##@ script

DEF SCRIPT Script {
   eventIn  SFVec3f  set_translation
   eventOut SFVec2f  scale_changed
   url "javascript:
      function set_translation(value,time) {
         if (value.x < 1e-8) value.x = 1e-8;
         if (value.y < 1e-8) value.y = 1e-8;
         var newScale = new SFVec2f(10/value.x, 10/value.y);
         scale_changed = newScale;
      }
   "
}

##@ event routing

ROUTE SENSOR.translation_changed TO BUTTON.set_translation
ROUTE SENSOR.translation_changed TO SCRIPT.set_translation
ROUTE SCRIPT.scale_changed TO TEXTRANS.set_scale
##</>