$($Display a running fan$)$

Write a program that displays a running fan, as shown in below. Use the Pause, Reverse, SpeedUp and SpeedDown buttons to pause, reverse, speed up and speed down the running fan.

$[$Suggested Working Steps$]-$

Create a Timeline animation $$ create a keyFrame with a duration and an event Handler

The Event Handler $-$ Increment the startAngle for each Arc object in the fan

Start the animation $($the fan should be running after the program starts$)-$ For example,

$//$ Create a handler for changing the startAngle for each Arc

EventHandler eventHandler $=$ e $->\{$

fan.setStartAngle$($fan$.$getStartAngle$()+$ increment$)$;

$\}$;

Register Event Handler for each button

btPlayPause$$ check the animation status. If it is running, pause the animation.

btReverse$$ change the sign $(*1)$ of the increment of the startAngle for each arc in the fan.

btSpeedUp$$ increase the speed of the running fan.

btSpeedDown$$ decrease the speed of the running fan.

For example $-$

$//$ Register handlers on buttons

btPlayPause.setOnAction$($e $->\{$

if $($animation$.$getStatus$()==$ Animation.Status.RUNNING$)$

animation.pause$()$;

else

animation.play$()$;

$\})$;

btReverse.setOnAction$($e $->\{$

increment $*=-1$;

$\})$;

Submit your source codes $($Assignment$12.$java$)$ and screenshots at $$Assignment $12$ in Canvas.Sample output: