UI improvements to new SpeedSlider control (#682)
UI improvements to new SpeedSlider control (#682)

* does not typecheck

* numbers on slider visible

* translate lettering

* translate lettering up

* set Height for draggable text with moving slider

* change handleEvent to have Event State

* add PointerPress

* add controller TimePassing

* delete MouseMovement case

* split SpeedSlider into PointerMovement,PointerPressed,PointerReleased

* fix syntax and change movedMouseTime to lastInteractionTime

* isDraggable argument

google/codeworld,pranjaltale16/codeworld,alphalambda/codeworld,google/codeworld,alphalambda/codeworld,alphalambda/codeworld,pranjaltale16/codeworld,google/codeworld,pranjaltale16/codeworld