How do I control sprite with keyboard input?

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  • i really like this construct games called little office trouble

    scirra.com/arcade/action-games/littleofficetrouble-15

    i want to create a game with similar mechanics with this game i wonder how to make a sprite like the loading bar in that game to start randomly but reversed everytime you click the keyboard

    i am very very noob, i only know how to make shooting game and basic platformer

    so i was really hoping somebody could help me,thanks if u r reading this

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  • there is some math involved... but it's only 2 events.

    you need:

    -the full length of the bar graphic

    -a variable that holds the max value of your bar

    -a variable that holds the current bar value

    Event: Every Tick

    Action: Set bar_graphic Width to: bar_value * (bar_fullwidth / max_bar_value)

    Event: OnKey pressed

    Action: Add 1 to bar_value

    You can use max/min in the equation to prevent you from going over the max or minimum width

  • thank youuu soo much ,ill try it out

  • i was actually looking to subtract value from my keyboard input like the game ,so i was wondering how to add value every x seconds but make it speeds up (to every 0.1 second), do u know how to do that

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  • there are two things going on in that game for the progress bars

    by itself the bar is adding value so: 

    Event On Start:
	Action: time_elapsed = 0
	Action: max_time = 10

Event: Every Tick
	Action: Add dt to time_elapsed
	Action: Set bar_graphic Width to: time_elapsed * (bar_fullwidth / max_time)

Event: OnKey pressed
	Action: Subtract X from time_elapsed

    So they have ten seconds without typing before the bar reaches it's max. Then to make the game harder you would set max_time to a shorter interval

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