void Update()
  {
   if(Input.GetKeyDown(KeyCode.Space))
   {
    if(groundet == true)
    {
    groundet = false;
    rigidbody.AddForce(new Vector3(0,jumpSpeed,0));
    }
   }
   else if(Input.GetKey(KeyCode.A))
   {
    ragePixel.SetHorizontalFlip(true);
    ragePixel.PlayNamedAnimation("run",false);
    transform.Translate(new Vector3(-playerSpeed,0,0) * Time.deltaTime);
   }
   else if(Input.GetKey(KeyCode.D))
   {
    ragePixel.SetHorizontalFlip(false);
    ragePixel.PlayNamedAnimation("run",false);
    transform.Translate(new Vector3(playerSpeed,0,0) * Time.deltaTime);
   }
   else
   {
    ragePixel.PlayNamedAnimation("stay",false);
   }
}

using UnityEngine;
using System.Collections;
[RequireComponent(typeof(Rigidbody))]
public class PlayerController : MonoBehaviour   
{
   private IRagePixel ragePixel;
   public float jumpSpeed = 500.0f;
   public float playerSpeed = 5.0f;
   public bool groundet;
     
   void OnCollisionEnter(Collision floor)
   {
    if(floor.gameObject.CompareTag("floor"))
    {
     groundet = true;
    }
   }
     
   void Start()
   {
     ragePixel = GetComponent<RagePixelSprite>();
   }
   void Update()
   {
    if(Input.GetKey(KeyCode.A))
    {
     ragePixel.SetHorizontalFlip(true);
     ragePixel.PlayNamedAnimation("run",false);
     transform.Translate(new Vector3(-playerSpeed,0,0) * Time.deltaTime);
    }
    else if(Input.GetKey(KeyCode.D))
    {
     ragePixel.SetHorizontalFlip(false);
     ragePixel.PlayNamedAnimation("run",false);
     transform.Translate(new Vector3(playerSpeed,0,0) * Time.deltaTime);
    }
    else if(Input.GetKey(KeyCode.Space))
    {
     if(groundet == true)
     {
     groundet = false;
     rigidbody.AddForce(new Vector3(0,jumpSpeed,0));
     }
    }
    else
    {
     ragePixel.PlayNamedAnimation("stay",false);
    }
    if(groundet == false)
    {
     ragePixel.PlayNamedAnimation("jump",false);
    }
       
   }
}

using UnityEngine;   
using System.Collections;   

public class RingCollector: MonoBehaviour   
{   
public int ring = 0;
     
void OnTriggerEnter(Collider RingCollider,Collider EnemyCollider)   
{
if(RingCollider.gameObject.name == "Ring")
    {
     Destroy(RingCollider.gameObject);   
     ring ++;   
     Debug.Log(ring);
    }
    else if(EnemyCollider.gameObject.name == "Enemy")
    {
     ring = 0;
     Debug.Log(ring);
    }
   }