GoatCtlr

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

public class GoatCtrl_v1 : MonoBehaviour {

    public GameObject GoatObj;
    public GameObject GoatFeet;
    public GameObject HitPointObj;
    private Rigidbody2D GoatRb;
    private Collider2D GoatCollider;
    public GameObject AimTargetObj;
    private Vector2 AimTargetPos;
    public GameObject AncorObjPrefab;
    private Vector2 MouseForce;
    public Camera RayCam;

    private GameObject ShootStartPoint;
    private GameObject ShootEndPoint;
    private Vector3 MousePos;


    private Vector3 ShootForce;
    private Vector3 GoatDirection;
    private Vector3 lastPosition;
    public float speed = 5f;
    public float ShootForceAmnt = 100f;
    public float MaxShootSpeed = 10;

    public float SearchCollisionDistance = 5f;
    public LayerMask SceneCollisionLayer;
    private OnGround OnTheGround;
    Vector2 RaySearcher(GameObject Goat)
    {
        Vector2 rayForce = Vector2.zero;
        RaycastHit2D hit = Physics2D.Raycast(Goat.transform.position, Goat.transform.up, SearchCollisionDistance, SceneCollisionLayer);
        Debug.DrawLine(Goat.transform.position, Goat.transform.position-Goat.transform.up, Color.red);
        if (hit.collider != null)
        {
            rayForce = hit.normal;
            Debug.DrawLine(hit.point, hit.point + hit.normal, Color.red);
        }
        return rayForce;
    }
    Vector3 MousePosition()
    {
        Vector3 MousePos = Input.mousePosition;
        MousePos = Camera.main.ScreenToWorldPoint(MousePos);
        MousePos = new Vector3(MousePos.x, MousePos.y, 0f);
        return MousePos;
    }
    void Start () {
        GoatRb = GoatObj.GetComponent<Rigidbody2D>();
        GoatCollider = GoatObj.GetComponent<Collider2D>();
        OnTheGround = GoatObj.GetComponent<OnGround>();
        //Debug.Log(GoatCollider);
    }
    void OnCollisionEnter2D(Collision2D GoatCollider)
    {
        //Debug.Log(GoatCollider.transform);
        if (GoatCollider.gameObject.name == "Ground")
        {
            Destroy(GoatCollider.gameObject);
        }
    }
    // Update is called once per frame
    void Update() {

        //GoatRb.AddForce(Vector2.right * speed);

        Vector2 MousePos = MousePosition();
        Vector3 GameObjPos = GoatObj.transform.position;
        Vector3 ShootForce = Vector3.zero;


        if (Input.GetMouseButtonDown(0))// Create start and end point targets on mouse click
        {
            if (ShootStartPoint == null) // if start point not created yet, create
            {
                var HitPointObj = (GameObject)Instantiate(AncorObjPrefab, MousePos, Quaternion.identity);
                ShootStartPoint = HitPointObj;
            }
            if (ShootEndPoint == null) // if end point not created yet, create
            {
                var HitPointObj = (GameObject)Instantiate(AncorObjPrefab, MousePos, Quaternion.identity);
                ShootEndPoint = HitPointObj;
            }
        }
        if (Input.GetMouseButton(0))// Update End position target while mouse is down
        {
            if (ShootEndPoint != null)
            {
                ShootEndPoint.transform.position = MousePos;
            }
            Debug.DrawLine(ShootStartPoint.transform.position, ShootEndPoint.transform.position);
        }
        /*
        GoatDirection = (GameObjPos - lastPosition);
        //GoatDirection.Normalize();
        GoatDirection += GameObjPos;

        Vector2 GoatPos = GoatObj.transform.position;
        Vector2 AimTargetPos = GoatDirection;// AimTargetObj.transform.position;
        Vector2 diff = AimTargetPos - GoatPos;
        float AngleInRadians = Mathf.Atan2(diff.y, diff.x);
        float AngleInDegrees = AngleInRadians * Mathf.Rad2Deg ;
        GoatObj.transform.rotation = Quaternion.Euler(0.0f, 0.0f, AngleInDegrees);
        Vector2 dir = GoatRb.velocity;
        float angle = Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg;
        GoatObj.transform.rotation = Quaternion.AngleAxis(angle, Vector3.forward);
        Vector2 dirN = dir.normalized;
        //Vector2 RayHit = RaySearcher(GoatFeet);
        Quaternion CurrentDirection = Quaternion.Euler(GoatObj.transform.rotation.x, GoatObj.transform.rotation.y, GoatObj.transform.rotation.z);// Quaternion.identity;
        */


        if (Input.GetMouseButtonUp(0))// Destroy Targets, clean up icons, shoot goat
        {
            //GoatRb.simulated = true;

            Vector3 JumpForce = ShootStartPoint.transform.position - ShootEndPoint.transform.position;
            float ShootMag = JumpForce.magnitude;// * ShootForceAmnt;
            Vector3 ShootForceMax = Vector3.ClampMagnitude(JumpForce * ShootForceAmnt, MaxShootSpeed);
            ShootForce =  ShootForceMax - GameObjPos;
            //Debug.Log(ShootForce);
            //ShootForce -= GameObjPos;
            Destroy(ShootStartPoint);
            Destroy(ShootEndPoint);
        }
        /*
        bool OnGround = false;
        Vector2 dirTest = Vector2.down;
        Vector2 RayHitPosition = Vector2.zero;
        RaycastHit2D hit = Physics2D.Raycast(GameObjPos, dirTest, 3f, SceneCollisionLayer);
        Debug.DrawLine(GoatFeet.transform.position, new Vector2(GoatFeet.transform.position.x, GoatFeet.transform.position.y) + dirTest, Color.yellow);

        if (hit.collider != null)
        {
            //float angle = Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg;
            //GoatObj.transform.rotation = Quaternion.AngleAxis(angle, Vector3.forward);
            HitPointObj.transform.position = hit.point;
            //GoatRb.AddForce(GameObjPos - ShootForce);
            OnGround = true;

            // Rotation stuff
            //float angle = Mathf.Atan2(hit.normal.y, hit.normal.x) * Mathf.Rad2Deg;
            //GoatObj.transform.rotation = Quaternion.Lerp(CurrentDirection, Quaternion.AngleAxis(angle, Vector3.forward), 10.0f*Time.deltaTime);
            //Debug.DrawLine(GoatFeet.transform.position, hit.point + hit.normal, Color.blue);
        }
        */
        //Debug.Log(OnTheGround.IsOnGround);
        if (OnTheGround.IsOnGround)
        {

            GoatRb.AddForce(ShootForce);


        }

        lastPosition = GoatObj.transform.position;
    }
}