planesensor

PlaneSensor {
  exposedField SFBool  autoOffset          TRUE
  exposedField SFBool  enabled             TRUE
  exposedField SFVec2f maxPosition         -1 -1
  exposedField SFVec2f minPosition         0 0
  exposedField SFVec3f offset              0 0 0
  eventOut     SFBool  isActive
  eventOut     SFVec3f trackPoint_changed
  eventOut     SFVec3f translation_changed
}

• Used for translating in one or two axes
• offset field used to keep track of last drag effect
• autoOffset field set to FALSE means geometry jumps to initial postion each new drag event

Example