Cubes_in_Motion/singleTap/SingleTap/Assets/Scripts/SpawnController.cs

using UnityEngine;
using System.Collections;

public class SpawnController : MonoBehaviour {

    private EnemyController controller;
    private CircleCollider2D boxCollider;
    public Material mat;
    public float animationTime = 5f;
    public Color startColor;
    public Color endColor;


    // Use this for initialization
    void Start () {
        controller = GetComponentInParent<EnemyController>();
        boxCollider = GetComponentInParent<CircleCollider2D>();

        mat = new Material(GetComponentInChildren<Renderer>().material);
        transform.Find("SpawnCube").GetComponentInChildren<Renderer>().material = mat;


        StartCoroutine(spawn(animationTime));
	}
	
	private IEnumerator spawn(float time) {
        float elapsedTime = 0;
        Color transitionColor = startColor;

        while ((elapsedTime / time) <= 1) {
            transitionColor = Color.Lerp(startColor, endColor, (elapsedTime / time));
            mat.color = transitionColor;

            elapsedTime += Time.deltaTime;
            yield return new WaitForEndOfFrame();
        }



        controller.enabled = true;
        boxCollider.enabled = true;
        Destroy(gameObject);
    }
}