cone.wrl

#VRML V2.0 utf8

Group {
   children [
      DEF SENSOR PlaneSensor {
         maxPosition 0.45 0.45
         minPosition -0.45 -0.45
      }
      DEF OBJECT Transform {
         children [
            Shape {
               appearance Appearance {
                  material Material {
                     diffuseColor 0 0 1
                  }
               }
               geometry Cone {
                  height 0.1
                  bottomRadius 0.05
               }
            }
         ]
      }
   ]
}
ROUTE SENSOR.translation_changed TO OBJECT.set_translation