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Sensing viewer actions
Syntax: TouchSensor

  • A TouchSensor node senses the cursor's touch
  • isOver - send true/false when cursor over/not over
  • isActive - send true/false when mouse button pressed/released
  • touchTime - send time when mouse button released 

    • Transform {
    children [
        DEF Touched TouchSensor { }
	Shape { . . . }
        . . .
    ]
}