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Question by gb3803 · Dec 28, 2013 at 02:14 AM · javascriptscripting problemmonodevelop

how to make it that longer the key is pressed the faster the object rotates?

this is my script

 #pragma strict
 
 var rotationSpeed = 100;
 var jumpHeight = 8;
 
 private var isFalling = false;
 
 function Update () 
 {
   // handle ball rotation.
   var rotation : float = Input.GetAxis ("Horizontal") * rotationSpeed;
   rotation *= Time.deltaTime;
   rigidbody.AddRelativeTorque (Vector3.back * rotation); 
   
   if (Input.GetKeyDown (KeyCode.Space))
   {
     rigidbody.velocity.y = jumpHeight;
   }
 }
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avatar image Josh707 · Dec 28, 2013 at 03:17 AM 0
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I would increment some number while the button is pressed and use that for the speed:

 private var rot_speed = 0.0;
 
 function Update(){
     var h : float = Input.GetAxis("Horizontal");
     if(h != 0){
         //$$anonymous$$eep the value positive and increase
         h = $$anonymous$$athf.Abs(h);
         rot_speed += h * Time.deltaTime);
     }
     else{
         //If nothing is pressed, decrease the speed and keep above 0
         rot_speed = $$anonymous$$athf.$$anonymous$$ax(rot_speed - Time.deltaTime, 0.0);
     }
     var rotation : float = rot_speed * Time.deltaTime;
     rigidbody.AddRelativeTorque(...);
 }

This way will only rotate in one direction if you press left or right, but it can be changed to go both directions

avatar image gb3803 · Dec 28, 2013 at 09:05 AM 0
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thank you so much

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Answer by Jeff-Kesselman · Dec 28, 2013 at 03:35 AM

You can use an axis, that will scale as you hold the key,, between 0 and 1.

Otherwise as others have said, keep a speed variable and increment it by some constant times the elapsed frame time every Update that the key is pressed.

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