Allow player to move and jump based on keyboard arrows and space jump

PlayerKeyboardController

using UnityEngine;
using System.Collections;

public class PlayerKeyboardController : MonoBehaviour
{
	
	
	//to make movement more smoother
	//Change Mass to 0.1f
	//Linear Drag to 0.4f
	//Andgular Drag to 0.05f
	//Gravity Scale to 0.2
	
	public float speed = 8f, maxVelocity = 4f;
	public float jumpSpeed = 25.0F;
	public float gravity = 5.0F;
	private Rigidbody2D myBody;
	private Animator anim;
	private bool moveLeft, moveRight;
	private bool flippedToLeft;
	
	void Awake ()
	{
		myBody = GetComponent<Rigidbody2D> ();
		anim = GetComponent<Animator> ();
	}

	//if we have 50 frame, this method will be called 50 time
	void Update ()
	{




	}


	//every couple of frames, used to deal with physics
	void FixedUpdate ()
	{

		if (Input.GetKeyDown (KeyCode.Space)) {
			myBody.AddForce (Vector3.up * jumpSpeed);
		}


		PlayerKeyboardMovement ();
	}
	
	void PlayerKeyboardMovement ()
	{
		
		float forceX = 0f;
		float vel = Mathf.Abs (myBody.velocity.x);
		
		float inp = Input.GetAxisRaw ("Horizontal");
		
		//-1 left,  0 no movement, 1 right
		
		if (inp > 0) {
			if (vel < maxVelocity)
				forceX = speed;
			
			
			//reflect the player	
			Vector3 temp = transform.localScale;
			temp.x = Mathf.Abs (transform.localScale.x) * 1f;
			temp.y = Mathf.Abs (transform.localScale.y);
			transform.localScale = temp;
			flippedToLeft = false;
		} else if (inp < 0) {
			
			if (vel < maxVelocity)
				forceX = -speed;
			
			Vector3 temp = transform.localScale;
			if (!flippedToLeft) {
				temp.x = Mathf.Abs (transform.localScale.x) * -1f;
				flippedToLeft = true;
			}
			temp.y = Mathf.Abs (transform.localScale.y);
			transform.localScale = temp;
			//anim.SetBool ("walk", true);
			
			
			
		} else {
			//stop animating
		}		
		
		
		myBody.AddForce (new Vector2 (forceX, 0));
	}
	
	
} // PlayerKeyboardController