Mathf.Clamp isn't stopping movement

Question

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);
     }
 }

Answer 1

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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Sigillimus · Feb 25, 2015 at 09:12 PM 0

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meat5000 ♦ · Feb 25, 2015 at 09:19 PM 0

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Sigillimus · Feb 25, 2015 at 09:26 PM 0

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KazeEnji · Jul 20, 2015 at 11:25 PM 0

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maccabbe · Jul 21, 2015 at 04:36 AM 0

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Mathf.Clamp isn't stopping movement

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