using UnityEngine;
using System.Collections;

public class confettiController : MonoBehaviour {

	public float lifeTime = 0.5f;
	public float speed = 5;
	
	private float startTime;
	private float startScale;
	
	// Use this for initialization
	void Start () {
		float rand = Random.Range (0, 7);
		int randColour = Mathf.FloorToInt (rand);
		startTime = Time.time;
		startScale = transform.localScale.x;
		rigidbody2D.velocity = Random.onUnitSphere * speed;

		switch (randColour) {
		case 0:
			renderer.material.color = Color.cyan;
			break;
		case 1:
			renderer.material.color = Color.red;
			break;
		case 2:
			renderer.material.color = Color.blue;
			break;
		case 3:
			renderer.material.color = Color.green;
			break;
		case 4:
			renderer.material.color = Color.yellow;
			break;
		case 5:
			renderer.material.color = Color.magenta;
			break;
		default:
			renderer.material.color = Color.black;
				break;
				}


		
	}
	
	// Update is called once per frame
	void Update () {
		float newScale = Mathf.Lerp(0, startScale, Time.deltaTime / lifeTime);
		transform.localScale = new Vector3(startScale-newScale, startScale-newScale, startScale-newScale);
		
		if(Time.time - startTime > lifeTime) {
			Destroy (gameObject, 0.0f);
		}
		
		
	}

	void OnCollisionEnter2D(Collision2D col){
		if (col.collider.tag == "ground" && Time.time - startTime > 2) {
			gameObject.GetComponent<BoxCollider2D> ().enabled = false;
			gameObject.GetComponent<Rigidbody2D> ().isKinematic = true;
		}
	}


}