Hello, I am using this script to make a ball role and jump and it is working. However, sometimes then i try to jump, while I am also pressing s and d to role, it will not jump. Is there anything that i can improve to make it work better? I hope that you can help me. Frederik

pragma strict

 var speed : float;
 var forward : KeyCode;
 var backward : KeyCode;
 var right : KeyCode;
 var left : KeyCode;
 var jumpForce : float;
 var jump : KeyCode;
 private var isFalling = false;
 
 function FixedUpdate ()
 {
     if(Input.GetKeyDown(jump) && isFalling == false)
     {
         rigidbody.velocity.y = jumpForce;
     }
     isFalling = true;
     //Handle ball rotation
     if(Input.GetKey(forward))
     {
         rigidbody.AddForce(Vector3.forward*speed);
     }
     if(Input.GetKey(backward))
     {
         rigidbody.AddForce(-Vector3.forward*speed);
     }
     if(Input.GetKey(right))
     {
         rigidbody.AddForce(Vector3.right*speed);
     }
     if(Input.GetKey(left))
     {
         rigidbody.AddForce(Vector3.left*speed);
     }
 }
 function OnCollisionStay ()
 {
     isFalling = false;
 }