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Question by EscTheCtrl · Oct 09, 2013 at 12:46 AM · jumpmovement scriptjumping

Need help with making a character jump.

So, I've started on my own character movement script and can't seem to make my character jump without continuously flying if I continue to hold space down. I've looked around online for a solution and found a few jumping tutorials but they're not making very realistic jumps, can someone help me fix this? Here's my code so far (I've removed all the script I had for jumping)

 var rotationSpeed: float = 10;
 var walkSpeed : float = 3;
 var gravity : float = 50;
 private var yRot : float;
 
 function Update () 
 {
     var Controller : CharacterController = GetComponent(CharacterController);
     var vertical : Vector3 = transform.TransformDirection(Vector3.forward);
     var horizontal : Vector3 = transform.TransformDirection(Vector3.right);
     var height : Vector3 = transform.TransformDirection(Vector3.up);    
     
     if(Input.GetAxis("Vertical")||Input.GetAxis("Horizontal"))
     {
         animation.CrossFade("Default Walk",0.2);
         Controller.Move((vertical * (walkSpeed * Input.GetAxis("Vertical"))) * Time.deltaTime);
         Controller.Move((horizontal * (walkSpeed * Input.GetAxis("Horizontal"))) * Time.deltaTime);
     }
             else
         {
             animation.CrossFade("Default Idle",0.2);
         }
     
     if(Input.GetAxis("Mouse X"))
     {
         yRot += 10* Input.GetAxis("Mouse X");        
     }
     transform.rotation = Quaternion.Euler(0,yRot,0);
     
     Controller.Move(height * gravity * Time.deltaTime);
 }
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avatar image robertbu · Oct 09, 2013 at 05:00 AM 0
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You should take a look at the example script at CharacterController.$$anonymous$$ove(). It implements gravity. If this is what is done in the tutorials, then what "realism" issues do you have with the code?

avatar image EscTheCtrl · Oct 09, 2013 at 05:19 AM 0
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yeah the tutorials were implementing gravity. The "realism" issues were when I would jump I would almost instantly appear 4 times the height of my character in the air, and then would descend very VERY slowly. There was also the ability for me to "Fly" if I continued to hold down the Space button. But thank you for the link, I'll check that out.

avatar image robertbu · Oct 09, 2013 at 05:22 AM 0
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You can start by using the example script and a character controller on an object and see if the behavior is acceptable.

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Answer by Recluse · Oct 09, 2013 at 05:33 AM

To prevent your character flying check for contact with the ground before calling the jump function...

 if (controller.collisionFlags & CollisionFlags.Below) {
 // do jump stuff here
 }
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avatar image EscTheCtrl · Oct 10, 2013 at 03:40 AM 0
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after tweaking the gravity around I managed to get the jumping working pretty good, thanks for your tip on not flying.

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