Anvil.cs

gistfile1.txt

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

public class Anvil : MonoBehaviour {

    public float forceMax; //maximum force applied to the anvil, furthest you can throw
    public float forceMin; //absolute minimum force applied
    public float movementQueueLength = 10;
    public GameManager gameManager;
    public float timeOut = 5; // Number of seconds to wait until we aassume the anvil is lost

    private Rigidbody rigidBody;
    private Vector3 start = new Vector3();
    private Vector3 end = new Vector3();
    private Vector3 direction = new Vector3(); //the normalised direction the player has flung the anvil
    private float force; // the strength with which the player has flung the anvil
    private bool drag;
    private Queue<Vector3> movement = new Queue<Vector3>();
    private float cameraDistanceFromGame = 8f;
    private bool landed = false;
    private bool launched = false;

    // Use this for initialization
    void Start () {
        drag = false;
        rigidBody = GetComponent<Rigidbody>();
	}
	
	// Update is called once per frame
	void Update () {
		if (drag)
        {

            if (movement.Count >= movementQueueLength)
            {
                movement.Dequeue();
            }
            movement.Enqueue(Input.mousePosition);
        }
	}

    private void OnCollisionEnter(Collision collision)
    {
        //Debug.Log("Anvil.OnCollisionEnter: " + landed);
        if (!landed) // Check that this is the first collision made
        {
            if (collision.gameObject.GetComponent<Target>() != null)
            {
                StopCoroutine("LostAnvilCollection");
                gameManager.Success(50);
                landed = true;
            }
            else if (collision.gameObject.tag == "Ground")
            {
                gameManager.Fail(this);
                landed = true;
            }
            
        }
    }

    private void OnMouseDown()
    {
        if (launched) { return; }
        start = getPos(Input.mousePosition);
        Debug.Log("Anvil.OnMouseUp: " + start);
        drag = true;
    }

    private void OnMouseUp()
    {
        if (drag)
        {
            end = getPos(Input.mousePosition);
            Debug.Log("Anvil.OnMouseUp: " + end);
            drag = false;
            Launch();
        }
    }


    void Launch()
    {
        // calculations
        if (movement.Count < 2)
        {
            Debug.Log("Anvil.Launch: Not enough values in movement queue");
            return;
        }
        int i = movement.Count - 2;
        Debug.Log("Anvil.Launch: Removing " + i + " results from queue");
        for(; i > 0; i--) //Remove all but the last two results
        {
            movement.Dequeue();
        }
        Vector3 temp = movement.Dequeue();
        direction = (movement.Dequeue() - temp).normalized;
        Debug.Log("Anvil.Launch: Direction: " + direction);
        force = (end - start).magnitude;
        Debug.Log("Anvil.Launch: Force: " + force);

        //apply force to the anvil here
        rigidBody.AddForce(direction * force * 100);
        StartCoroutine("LostAnvilCollection");

        launched = true;
        landed = false;

        //cleanup
        movement.Clear();
        
    }

    Vector3 getPos(Vector3 mousePos)
    {
        return Camera.main.ScreenToWorldPoint(new Vector3(mousePos.x, mousePos.y, cameraDistanceFromGame));
    }

    IEnumerable LostAnvilCollection()
    {
        Debug.Log("Anvil.LostAnvilCollection: Starting Routine");
        yield return null;
        yield return new WaitForSeconds(5);
        Debug.Log("Anvil.LostAnvilCollection: Resetting anvil");
        gameManager.Fail(this);
    }
}