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Question by Sazails · Mar 05, 2019 at 12:00 PM · rigidbodyraycastboolean

Boolean doesn't change at start position.

Hello, I have pressed a key and toggled this function:

 bool IsGrounded()
     {
         if(Physics.Raycast(transform.position, Vector3.down * 0.75f))
         {
             print("YES");
             return true;
         }
         else
         {
             print("NO");
             return false;
         }
     }

I use this function to check if I am grounded. It works when I go off platform, but when I am above platform over the 0.75f ray lenght limit it still returns as if I am still grounded. What am I doing wrong? Thank you.

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Answer by xxmariofer · Mar 05, 2019 at 12:17 PM

because your raycast lenght is infinite, try this line (the vector is only the direction)

 if(Physics.Raycast(transform.position, Vector3.down, 0.75f))
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avatar image Sazails · Mar 05, 2019 at 12:25 PM 0
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Thanks. However, why can I then use this in update and not in the boolean return function?:

 if(Physics.Raycast(transform.position, Vector3.down * 0.75f))
 {
 }


avatar image xxmariofer Sazails · Mar 05, 2019 at 12:35 PM 1
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i didnt understand your question, physics raycast returns a bool depending if it hitted something so you can return it in a method like this

     public bool Example()
     {
         return Physics.Raycast(transform.position, Vector3.down, 0.7f);
     }

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