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Question by Sigillimus · Feb 25, 2015 at 09:00 PM · movementmathf.clamppongpaddle

Mathf.Clamp isn't stopping movement

I'm making a Pong clone and I'm attempting to limit the movement of the paddle, but the paddle just continues to move beyond the specified clamp point. I'm not sure what I'm doing wrong here.

 using UnityEngine;
 using System.Collections;
 
 public class PaddleMovement : MonoBehaviour {
 
     public float speed = 10.0f;
     private float minY = -5.0f;
     private float maxY = 2.75f;
 
     void Update () 
     {
         Vector3 pos = transform.position;
         float movement = Input.GetAxis("Vertical") * Time.deltaTime * speed;
         transform.Translate(new Vector3(0, movement, 0));
         pos.y = Mathf.Clamp(transform.position.y, minY, maxY);
     }
 }
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avatar image meat5000 ♦ · Feb 25, 2015 at 09:07 PM 0
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Answer by maccabbe · Feb 25, 2015 at 09:07 PM

You need assign the pos back to transform. Try the following:

  using UnityEngine;
  using System.Collections;
  
  public class PaddleMovement : MonoBehaviour {
  
      public float speed = 10.0f;
      private float minY = -5.0f;
      private float maxY = 2.75f;
  
      void Update () 
      {
          float movement = Input.GetAxis("Vertical") * Time.deltaTime * speed;
          transform.Translate(new Vector3(0, movement, 0));
 
          Vector3 pos=transform.position;
          pos.y = Mathf.Clamp(transform.position.y, minY, maxY);
          transform.position=pos;
      }
  }
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avatar image Sigillimus · Feb 25, 2015 at 09:12 PM 0
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avatar image meat5000 ♦ · Feb 25, 2015 at 09:19 PM 0
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avatar image Sigillimus · Feb 25, 2015 at 09:26 PM 0
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avatar image KazeEnji · Jul 20, 2015 at 11:25 PM 0
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avatar image maccabbe · Jul 21, 2015 at 04:36 AM 0
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