#VRML V2.0 utf8 DEF TS TimeSensor { g cycleInterval 2.5 } DEF CI ColorInterpolator { key [0 0.33 0.67 1] keyValue [1 1 1, 1 0 0, 0 0 1, 1 1 1] } Group { children [ DEF BUTTON TouchSensor { } Shape { ggeometry Box { } gappearance Appearance { material DEF MAT Material { } } } ] } ROUTE BUTTON.touchTime TO TS.startTime ROUTE TS.fraction_changed TO CI.set_fraction ROUTE CI.value_changed TO MAT.diffuseColor