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  On button release  (Read 1665 times)
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Offline xxunrealxx

Junior Newbie





« Posted 2013-08-12 15:29:47 »

I couldnt find a method for on button release. Im using this so the user can hold down a button and it wont register it XX amount of times due to the refresh rate of the event loop. Thanks.
Offline Zhon

Junior Devvie


Medals: 4



« Reply #1 - Posted 2013-08-12 16:11:17 »

What are you using? LWJGL, etc...?
Offline xxunrealxx

Junior Newbie





« Reply #2 - Posted 2013-08-12 16:13:29 »

Oh sorry, im using the newest build of JInput.
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Offline drabla

Junior Devvie


Medals: 5



« Reply #3 - Posted 2013-08-12 16:50:12 »

A way to do it:

Have a boolean buttonPressed which you set to true if the button is pressed.
If the boolean changes from true to false you know the user released the button.
Offline xxunrealxx

Junior Newbie





« Reply #4 - Posted 2013-08-12 16:57:46 »

But if i say if buttonPressed == false, that would be all the time that it isnt pressed not just after it is pressed. Thanks though
Offline drabla

Junior Devvie


Medals: 5



« Reply #5 - Posted 2013-08-12 16:59:18 »

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boolean lastTimeButtonPressed = buttonPressed;
buttonPressed = checkIfButtonIsPressed();

if(lastTimeButtonPressed && !buttonPressed) {
    System.out.println("The button has been released");
}
Offline xxunrealxx

Junior Newbie





« Reply #6 - Posted 2013-08-12 18:47:47 »

Ok thanks Cheesy but you would have to set buttonPressed to false in that otherwise it would keep going.
Offline xxunrealxx

Junior Newbie





« Reply #7 - Posted 2013-08-12 19:01:00 »

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boolean lastTimeButtonPressed = buttonPressed;
buttonPressed = checkIfButtonIsPressed();

if(lastTimeButtonPressed && !buttonPressed) {
    System.out.println("The button has been released");
    buttonPressed = false;
}
Offline Geemili

Senior Devvie


Medals: 9
Projects: 1
Exp: 2 years


No Games Finished


« Reply #8 - Posted 2013-08-12 21:15:06 »

No, buttonPressed would already be false or it couldn't get through the if statement.
Offline Longarmx
« Reply #9 - Posted 2013-08-12 22:38:32 »

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boolean buttonPressed = false;
boolean lastButtonPressed = false;


In update method

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buttonPressed = checkIfButtonPressed();

if(lastButtonPressed && !buttonPressed){
     System.out.println("Button Released");
}

lastButtonPressed = buttonPressed

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Offline xxunrealxx

Junior Newbie





« Reply #10 - Posted 2013-08-13 14:27:03 »

sorry i meant to put lastbuttonpressed should be false

and also can someone help explain why i get different results for these thanks:
This works:
          
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if (Controllers.isCirclePressed() == true) {circlePressed = true;}
if (Controllers.isCirclePressed() == false && circlePressed == true)
    {
         if (jAutonomyBox.isSelected()) {jAutonomyBox.setSelected(false);}
         else {jAutonomyBox.setSelected(true);}
         circlePressed = false;
     }
 

but if i use
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circlePressed = Controllers.isCirclePressed();
 instead of if(Controllers.isCirclePressed() == true)... it never gets called.
                    
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