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Question by GreenTee · Jul 25, 2014 at 12:55 AM · javascriptmovement2d gamejump

2D Character Jumps only 1 time

I used a video tutorial to make my 2dChar jumping but the Character jumps only 1 time after pressing space. Unity isn't showing errors :/

// Char Speed

 var moveSpeed = 4f;
 
 // Jump Player
 var jumpHeight : float = 500;
 var isJumping : boolean = false;
 
 
 function Update () {
     Movement ();  
     
 }
 
 // Movement and Jump
 
 function Movement () {
     
     if(Input.GetKey (KeyCode.D))
     {
         transform.Translate(Vector2.right * moveSpeed * Time.deltaTime);
         
     }
     if (Input.GetKey(KeyCode.A))
     {
         transform.Translate(-Vector2.right * moveSpeed * Time.deltaTime);
         
     }
     
     if(Input.GetKeyDown(KeyCode.Space))
     {    
         if(isJumping == false){
         rigidbody2D.AddForce(Vector2.up * jumpHeight);
         isJumping = true;
         Debug.Log("isJuming");
         }
     }    
     
     
 }
 
 // Player is on Ground - for Jump
 
 function OnCollisionEnter2D(col : Collision2D )
 {
     if(col.gameObject.tag == "Gass")
     {
         isJumping = false;
         Debug.Log("NoJumping!");
     }    
 }

I hope you can help me,

Greetings GreenTee :)

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avatar image Umresh · Jul 25, 2014 at 12:14 PM 0
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I don't understand, do you want your player to jump only if he is on ground?

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Answer by screenname_taken · Jul 25, 2014 at 12:42 PM

Are you 100% sure that the tag you are using is the right one? i mean the string and tag are exactly the same.

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Answer by jmgek · Jul 25, 2014 at 01:49 AM

  isJumping = true;

Makes it stay true, forever.

 float nextTimetoJump;
 
 void Start()
    {
       nextTimetoJump = 3;
    }
 void Update()
 {
     nextTimetoJump -= Time.deltaTime; 
 
     if( nextTimetoJump < 0 && Input.GetKeyDown(KeyCode.Space))
      {
           Movement ();  
           nextTimetoJump = 3;
      }
 }



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avatar image GreenTee · Jul 25, 2014 at 11:41 AM 0
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now the Jump works but my character is able to jump in the air. I don't understand why "OnCollisionEnter2D" doesn't work.

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