physicWalk.cs

hi can you fix my physicWalk script,when i click play button i just fall down in floor like broken leg and camera keep on floor

using UnityEngine; using System.Collections;

public class physicWalk : MonoBehaviour {

 public static physicWalk instance;
 
 //
 public float speed  = 7f;
 public float maxSprintSpeed = 7f;
 public float maxWalkSpeed = 4f;
 public float force     = 8f;
 public float jumpSpeed = 5f;
  
 public float footsFrequency = 0.7f;

 //
 public bool grounded = false;
 
 private float fallingForce = 0f;
 
 private CapsuleCollider collider;
 
 private bool canJump = true;
 private float canJumpCounter = 0f;

 public AudioClip footstepSound;
 public AudioClip fallSound;

 void Start()
 {
     instance = this;
     
     collider = gameObject.GetComponent< CapsuleCollider >();
 }
 
 // Don't let the Physics Engine rotate this physics object so it doesn't fall over when running
 void Awake ()
 { 
     
     speed = maxWalkSpeed;
 }
 
 public virtual float jump
 {
     get 
     {
         if( Input.GetButton( "Jump" ) ) return 1f;
             else return 0f;
     }
 }
  
 public virtual float horizontal
 {
     get
     {
         float v = Input.GetAxis( "Horizontal" );
         return v * force;
     } 
 } 
 public virtual float vertical
 {
     get
     {
         float v = Input.GetAxis( "Vertical" );
         return v * force;
     } 
 }

 float fr = 0f;
 void Update()
 {
     {
         fr += Time.deltaTime;

         if( Input.GetButton( "Sprint" ) )
         {
             fr += Time.deltaTime*0.5f;
         }

         while( fr >= footsFrequency )
         {
             fr = 0f;

             playFootstepSound();
         }
     }

     
     if( Input.GetButton( "Sprint" ) )
     {
         speed = maxSprintSpeed;
     }
     else speed = maxWalkSpeed;
 }

 public void playFootstepSound()
 {
 }

 void FixedUpdate ()
 {
     ///Jump iteration
     if( !canJump )
     {
         canJumpCounter += Time.fixedDeltaTime;
         if( canJumpCounter >= 1f )
         {
             canJump = true;
             canJumpCounter = 0f;
         }
     }
     
     ////Ground test
     RaycastHit hit;
     
     Vector3 tmpV = transform.position;
     tmpV.y += 0.1f;
     if (Physics.Raycast( tmpV, -Vector3.up, out hit, 0.3f))
     {
         if( hit.collider.tag == "GROUND" )
         {
             grounded = true;
         }
         else
         {
             grounded = false;
         }
     }
     else
     {
         grounded = false;
     }
     
     ////
  
     {
         
     }
     
     {
         Vector3 forceV = Vector3.Cross( hit.normal, Vector3.Cross( transform.forward, hit.normal ) );
         forceV = forceV.normalized;
         
     }
  
     if( jump != 0f && grounded && canJump )
     {
         canJump = false;
         Vector3 tmp = Vector3.up * jumpSpeed + ( transform.forward * vertical * 0.1f );
     }
         
     if( !grounded )
     {

         fallingForce = fallingForce + Time.fixedDeltaTime * 5f;
     }
     else
     {

         fallingForce -= (Time.fixedDeltaTime * 10f) + (fallingForce * 0.3f);
         if( fallingForce < 0f ) fallingForce = 0f;
     }

  }

 void OnCollisionEnter ( Collision other )
 {
     if( other.collider.tag == "GROUND" )
     {
         if( other.relativeVelocity.y >= 2f )
         {
             physicWalk_MouseLook.instance.wobble( 0f, other.relativeVelocity.y * 2f, 0f, other.relativeVelocity.y * 2f );
             
             
             Vector3 tmpPosMod = Camera.main.transform.position;
             tmpPosMod.y -= other.relativeVelocity.y * 0.15f;
             physicWalk_MouseLook.instance._camPos.position = tmpPosMod;
         }
     }
 }

}