movement v2

gistfile1.txt

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Movement : MonoBehaviour {

	public Vector2 speed = new Vector2(50, 0);

	public float jumpHeight;
	public LayerMask mask;

	private int layer_mask;
	private float xSpeed;
	public bool grounded;
	// 2 - Store the movement and the component
	public bool jump = false;
	private Vector2 movement;
	private Rigidbody2D rigidbodyComponent;

	void Start(){
	}

	void Update()
	{
		// 3 - Retrieve axis information
		float inputX = Input.GetAxis("Horizontal");
		float inputY = Input.GetAxis("Vertical");
		xSpeed = inputX;
		// 4 - Movement per direction
		movement = new Vector2(
			speed.x * inputX,
			speed.y * inputY);


		if (Input.GetKeyDown (KeyCode.Space)) {

			grounded = (Physics2D.Raycast((new Vector3(transform.position.x, transform.position.y, 0)), Vector3.down, 0.8f, mask)); // raycast down to look for ground is not detecting ground? only works if allowing jump when grounded = false; // return "Ground" layer as layer
			Debug.DrawRay((new Vector3(transform.position.x, transform.position.y, 0)), Vector3.down, Color.green, 5);

			jump = true;

		}
	}

	void FixedUpdate()
	{
		// 5 - Get the component and store the reference
		if (rigidbodyComponent == null) rigidbodyComponent = GetComponent<Rigidbody2D>();

		// 6 - Move the game object
		Vector2 temp = new Vector2 (speed.x * xSpeed, rigidbodyComponent.velocity.y);
		rigidbodyComponent.velocity = temp;

		if (jump && grounded) {
			Vector2 jumpNow = new Vector2 (0, jumpHeight);
			rigidbodyComponent.AddForce (jumpNow, ForceMode2D.Impulse);
			jump = false;
		}
				
	}
}