#VRML V2.0 utf8

PROTO SpaceSensor
# a better than nothing emulation of the Cover/Covise SpaceSensor 
# simply using a PlaneSensor
# 
# Copyright (C) 2005 J. "MUFTI" Scheurich
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#   
# You should have received a copy of the GNU Library General Public License
# along with this program (see the file "COPYING" for details); if
# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
# Cambridge, MA 02139, USA. 
#   
 [
 exposedField SFBool autoOffset TRUE
 exposedField SFBool enabled    TRUE
 exposedField SFBool rotationEnabled FALSE
 exposedField SFVec3f maxPosition -1.0 -1.0 -1.0
 exposedField SFVec3f minPosition -1.0 -1.0 -1.0
 exposedField SFVec3f offset 0 0 0
 eventOut SFBool isActive
 eventOut SFVec3f translation_changed
 eventOut SFVec3f trackPoint_changed
 eventOut SFVec3f rotation_changed
 ]
{
   DEF PlaneSensor1 PlaneSensor 
      {
      autoOffset IS autoOffset
      enabled IS enabled
      offset IS offset
      isActive IS isActive
      translation_changed IS translation_changed
      trackPoint_changed IS trackPoint_changed
      }
 
   Switch   
      {
      choice   
        [
        DEF MAXPOSITION_CONTAINER Transform   
          {  
          translation IS maxPosition
          }
        ]
      }

   Switch   
      {
      choice   
        [
        DEF MINPOSITION_CONTAINER Transform   
          {  
          translation IS minPosition
          }
        ]
      }

    DEF Script1 Script   
      {
      field SFVec3f maxPosition -1.0 -1.0 -1.0
      field SFVec3f minPosition 0 0 0
      
      eventIn SFVec3f maxPosition_in
      eventIn SFVec3f minPosition_in

      field SFNode maxPositionContainer USE MAXPOSITION_CONTAINER
      field SFNode minPositionContainer USE MINPOSITION_CONTAINER

      eventOut SFVec2f maxPosition_out
      eventOut SFVec2f minPosition_out

      url
        [
        "javascript:

      function initialize()
        {
        maxPosition = maxPositionContainer.translation;
        minPosition = minPositionContainer.translation;
        maxPosition_out.x = maxPosition.x;
        maxPosition_out.y = maxPosition.y;
        // avoid defect senseless (default SpaceSensor) maxPosition/minPosition setting
        if ((maxPosition.x != -1) || (maxPosition.y != -1) || (minPosition.x != -1) || (minPosition.y != -1)) 
           {
           minPosition_out.x = minPosition.x;
           minPosition_out.y = minPosition.y;                
           }
        }

      function maxPosition_in(value)
        {
        maxPosition_out.x = value.x;
        maxPosition_out.y = value.y;
        }

      function minPosition_in(value)
        {

        minPosition_out.x = value.x;
        minPosition_out.y = value.y;
        }
    "
        ]
      }

ROUTE MAXPOSITION_CONTAINER.translation TO Script1.maxPosition_in
ROUTE MINPOSITION_CONTAINER.translation TO Script1.minPosition_in

ROUTE Script1.maxPosition_out TO PlaneSensor1.maxPosition
ROUTE Script1.minPosition_out TO PlaneSensor1.minPosition
}
