ground check isnt working...HELP!

Questions & Answers
1

hey guys …i have this script attached to a ragdoll character but when i jump he moves up without changing the is grounded bool to false so he keeps floatin upwards …how to fix this?

using UnityEngine;
public class Jump : MonoBehaviour
{

bool isgrounded = true;
// Start is called before the first frame update
void Start()

{

}

// Update is called once per frame

void Update()
{
    GroundCheck();
    if (Input.GetButtonDown("Jump") & (isgrounded == true))

        GetComponent<ConstantForce>().force = new Vector3(0, 150, 0);
    
    if(isgrounded == false)

        GetComponent<ConstantForce>().force = new Vector3(0, 80, 0);

}
void GroundCheck()
{
    RaycastHit hit;
    float distance = 3f;
    Vector3 dir = new Vector3(0, -2);

    if (Physics.Raycast(transform.position, dir, out hit, distance))
    {
        isgrounded = true;
    }
    else
    {
        isgrounded = false;
    }
}
}
2

bool isgrounded = true;
// Start is called before the first frame update
void Start()
{
}
// Update is called once per frame

    void Update()
    {
        GroundCheck();
        if (Input.GetButtonDown("Jump") & (isgrounded == true))
            GetComponent<ConstantForce>().force = new Vector3(0, 150, 0);

        if (isgrounded == false)
            GetComponent<ConstantForce>().force = new Vector3(0, -80, 0);
    }
    void GroundCheck()
    {
        RaycastHit hit;
        float distance = 3f;
        Vector3 dir = new Vector3(0, -2);
        if (Physics.Raycast(transform.position, dir, out hit, distance))
        {
            isgrounded = true;
        }
        else
        {
            isgrounded = false;
        }
    }

You just have to give negative value to your downforce in update when isgrounded is false

3

Hey there,

i guess that if you add a Debug.Log to output what object you actually hit you will see that it’s the player object itself.

Add a Layermask to disable your raycast from hitting anything else then the environment.

Is there a specific reason why you do not want to use the builtin gravity?
As @MadDevil pointed out your force vector has the wrong direction. You can avoide these things by keeping it simple and sticking to the standart gravity.