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

public class zeBRHAINS : MonoBehaviour {

    // Use this for initialization

    public float speed;
	public float jumpPower;
	public float maximumWallJump;
	public float maximumSpeed;
	public float health;
	public GameObject pain;
    private Rigidbody2D rb;
	private SpriteRenderer painRenderer;

    void Start () {
        rb = GetComponent<Rigidbody2D>();
		painRenderer = pain.GetComponent<SpriteRenderer>();

    }

    // Update is called once per frame
    void Update()
	{
		Color color = painRenderer.color;
		color.a = (100 - health) /100;
		painRenderer.color = color;

    }

	void FixedUpdate(){
		float moveHorizontal = Input.GetAxis("Horizontal");
		if (rb.velocity.x < maximumSpeed && rb.velocity.x > -maximumSpeed) {
			rb.AddForce (new Vector2 (moveHorizontal, 0) * speed);
		}
	}


	void OnCollisionStay2D(Collision2D collision){

		if(collision.collider.name == "Tilemap" && Input.GetAxis("Vertical")>0 && rb.velocity.y<maximumWallJump){
			float highestY = collision.contacts [0].point.y;
			foreach (ContactPoint2D contact in collision.contacts) {
				if (contact.point.y > highestY) {
					highestY = contact.point.y;
				}
			}
			if (highestY < transform.position.y) {
				rb.AddForce (new Vector2 (0, 1) * jumpPower);
			} else {
				if (collision.contacts [0].point.x < transform.position.x) {
					rb.AddForce (new Vector2 (0.75f, 1f) * jumpPower);
				} else {
					rb.AddForce (new Vector2 (-0.75f, 1f) * jumpPower);
				}
			}

		}

	}

	void OnTriggerStay2D(Collider2D collider){
		if (collider.name == "fire_0") {
			if (health == 0) {
				Destroy (gameObject);
			} else {
				health--;
			}
		}
	}
}