#VRML V2.0 utf8

EXTERNPROTO LEVEL
  [
  exposedField SFVec3f    position
  field        SFRotation rotation
  field        MFNode     contains
  field        MFNode     geometry
  field        MFNode     behavior
  eventIn      SFTime     clock_tick
  field        SFFloat    max_level
  field        SFFloat    min_level
  field        SFFloat    level
  eventIn      SFFloat    input_rate
  eventIn      SFFloat    output_rate
  field        SFFloat    delta_time
  eventOut     SFFloat    level_changed
  ] "sdprotos.wrl#LEVEL"

EXTERNPROTO RATE
  [
  exposedField SFVec3f    position
  field        SFRotation rotation
  field        MFNode     contains
  field        MFNode     geometry
  field        MFNode     behavior
  eventIn      SFTime     clock_tick
  field        SFFloat    rate
  eventIn      SFFloat    set_rate
  eventOut     SFFloat    rate_changed
  ] "sdprotos.wrl#RATE"

EXTERNPROTO LEVEL_GEO
  [
  eventIn      SFFloat  set_y
  exposedField MFString text
  field        SFVec3f  position
  field        SFVec3f  textPosition
  field        SFFloat  trans
  ] "sdprotos.wrl#LEVEL_GEO"

DEF TS TimeSensor 
  {
  cycleInterval 1
  enabled TRUE
  stopTime -1
  loop TRUE
  }

Transform
  {
  children
    [
    DEF Pipe Transform
      {
      children Shape 
        {
        appearance Appearance
          {
          material DEF Skin Material 
            {
            ambientIntensity 0.242105
            diffuseColor     0.32 0.75 0.32
            specularColor    0.02 0.05 0.01
            emissiveColor    0 0 0
            shininess        0.02
            transparency     0.3
            }
          }
        geometry Cylinder
          {
          radius 0.33
          height 3.0
          }
        }
      }
    ]
  translation -4.4 -2.6 -10
  rotation    0 0 1  1.57
  }

Transform
  {
  children [USE Pipe]
  translation 4.4 -2.6 -10
  rotation    0 0 1  1.57  
  }

DEF InputValveGeom Transform
  {
  children
    [
    DEF ValveBottom Transform
      {
      children Shape 
        {
        appearance Appearance
          {
          material USE Skin
          }
        geometry DEF theCone Cone
          {
          bottomRadius 1.0
          height 1.5
          }
        }
      }
    DEF ValveTop Transform
      {
      children Shape 
        {
        appearance Appearance
          {
          material USE Skin
          }
        geometry USE theCone
        }
      translation 0 1.5 0
      rotation  0 0 1  3.14
      }
    ]
  translation -6 -3.4 -10
  }

DEF DrainValveGeom Transform
  {
  children
    [USE ValveBottom, USE ValveTop]
  translation 6 -3.4 -10
  }

DEF InputValve RATE
  {
  geometry [USE InputValveGeom]
  rate 2.05
  }

DEF DrainValve RATE
  {
  geometry [USE DrainValveGeom]
  rate 2.0
  }

DEF WaterTankGeom LEVEL_GEO
  {
  position 0 0 -10
  trans 0.7
  }

DEF WaterTankLvl LEVEL
  {
  geometry [USE WaterTankGeom]
  max_level 1.0
  min_level 0.0
  level 0.5
  delta_time 1.0
  }

ROUTE TS.cycleTime TO InputValve.clock_tick
ROUTE TS.cycleTime TO DrainValve.clock_tick
ROUTE TS.cycleTime TO WaterTankLvl.clock_tick
ROUTE InputValve.rate_changed TO WaterTankLvl.input_rate
ROUTE DrainValve.rate_changed TO WaterTankLvl.output_rate
ROUTE WaterTankLvl.level_changed TO WaterTankGeom.set_y