Checking ground not working as expected

Question

Hi, Im checking ground so i can add a force down when isnt on ground. The problem is that my GameObjects flickers when on ground. I desactivate the "use gravity" in the rigidbody, but it stills flickering. This is the code i have for that force down.

 void FixedUpdate()
     {
         if (!isGround)
         {
             rb.AddForce(Vector3.up * -gravityForceMultiplier * 50);
         }
         else
         {
             rb.AddForce(Vector3.up * -normalGravity);
         }
     }

And this is the code for raycasting.

 private void Update()
     {
         if (Physics.Raycast(this.transform.position, Vector3.down, disToGround, groundLayer))
         {
             isGround = true;
         }
         else
         {
             isGround = false;
         }     
     }

Thanks and sorry for my bad English.

Answer 1

Best Answer

Answer by RAV3R · Nov 17, 2020 at 11:33 AM

I managed to solve the problem by adding a little offset to the raycast, so the code results in:

    private void Update()
     {
         if (Physics.Raycast(this.transform.position + new Vector3(0, 0.2f, 0), Vector3.down, disToGround, groundLayer))
         {
             isGround = true;
         }
         else
         {
             isGround = false;
         }        
     }

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Checking ground not working as expected

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