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This question was closed Apr 15, 2017 at 01:18 PM by Okeynp for the following reason:

The question is answered, right answer was accepted

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Question by Okeynp · Feb 21, 2017 at 03:48 PM · movementobjectbuttonsuser interface

UI buttons activate movement functions for one time only

Hi everyone. I'm working on a little 2D game for mobile in which the player sprite only moves right and left. It is working great with this script (C# script):

 if (Input.GetKey (KeyCode.RightArrow))
 {
     MoveRight ();
 }
 
 if (Input.GetKey (KeyCode.LeftArrow))
 {
     MoveLeft ();
 }

The player keeps moving right when I'm holding the right arrow on the keyboard and stops moving when i release it, and that's exactly what i need. But when i added UI buttons and linked them to my moveRight() and moveLeft() functions on the playerController script, it works but i have to keep clicking to make the player move. (by linking, i mean the OnClick script attached to UI buttons, and the Event Trigger Component... no one of them is working for me) How can i make buttons work like the keyboard input method ??

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Answer by Nischo · Feb 22, 2017 at 11:41 AM

Thats because a Button click is pressing and releasing in one. To achieve what you want try the EventTrigger OnPointerDown and OnPointerUp events.

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avatar image Okeynp · Feb 23, 2017 at 08:05 AM 0
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Thank you for your answer! yes even with event trigger pointerDown and UP it wasn't working. Today I just found why, it was the linear drag I increased in the player object (it was helpful with stopping infinite movement with keyboard controls). But I'm not satisfied yet with the results especially when the game is running on the device, my player object responds poorly to the UI buttons. If you have an idea to improve the efficiency of the UI buttons don't hesitate to help me out and thank you again.

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