OccupyController.cs

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

public class OccupyController : MonoBehaviour {
[SerializeField]
List<GameObject> soldierList1 = new List<GameObject>();
[SerializeField]
List<GameObject> soldierList2 = new List<GameObject>();
[SerializeField]
float occpupyGauge = 0;
[SerializeField]
float occpupyGauge2 = 0;
[SerializeField]
int occupyState = 0;
[SerializeField]
ParticleSystem occupyParticle;
[SerializeField]
Slider occupySlider;
[SerializeField]
Image occupyFill;
[SerializeField]
bool stopOccupy = false;
[SerializeField]
int OccupySpeed =30;
// Use this for initialization
void Start () {

}

// Update is called once per frame
void Update () {

}
void OnTriggerEnter(Collider other){
	if (other.gameObject.CompareTag ("team1")) {
		soldierList1.Add (other.gameObject);
	}
	if (other.gameObject.CompareTag ("team2")) {
		soldierList2.Add (other.gameObject);
	}
	AreaOccupy ();
}
void OnTriggerExit(Collider other)
{
	if (other.gameObject.CompareTag ("team1") && soldierList1.Contains (other.gameObject)) {
		stopOccupy = false;
		soldierList1.Remove(other.gameObject);
	}
	if (other.gameObject.CompareTag ("team2") && soldierList2.Contains (other.gameObject)) {
		stopOccupy = false;
		soldierList2.Remove(other.gameObject);
	}
	AreaOccupy ();
}

void AreaOccupy(){
	if (soldierList1.Count > soldierList2.Count) {

		if (occupyState == 2) {
			stopOccupy = false;
			StartCoroutine("DeOccupy",2);
		}
		if (occupyState == 0) {
			stopOccupy = false;
			if (occupySlider.value > 0 && occpupyGauge2 > 0) {
				StartCoroutine ("DeOccupy", 2);
			} else {
				StartCoroutine ("Occupy", 1);
			}
		}
		if (occupyState == 1) {
			stopOccupy = false;
			//StopCoroutine("DeOccupy");
			StartCoroutine ("Occupy", 1);
		}

	}

	if (soldierList2.Count > soldierList1.Count) {
		if (occupyState == 1) {
			stopOccupy = false;
			StartCoroutine("DeOccupy",1);
		}
		if (occupyState == 0) {
			stopOccupy = false;
			if (occupySlider.value > 0 && occpupyGauge > 0) {
				StartCoroutine ("DeOccupy", 1);
			} else {
				StartCoroutine ("Occupy", 2);
			}
		}
		if (occupyState == 2) {
			stopOccupy = false;
			//StopCoroutine("DeOccupy");
			StartCoroutine ("Occupy", 2);
		}

	}

	if (soldierList1.Count == soldierList2.Count) {
		stopOccupy = true;
		StopCoroutine("DeOccupy");
	}

}


IEnumerator Occupy(int state)
{
	float gauge = 0;
	float enemygauge = 0;
	switch (state)
	{
	case 1:
		occupyFill.color = Color.cyan;
		gauge = occpupyGauge;
		occpupyGauge2 = 0;
		break;
	case 2:
		occupyFill.color = Color.magenta;
		gauge = occpupyGauge2;
		occpupyGauge = 0;
		break;
	default:
		break;
	}

	float time = 0;
	while ( gauge<100 ) {
		if (stopOccupy != true) {
			yield return new WaitForEndOfFrame ();
			gauge += OccupySpeed * Time.deltaTime;
			time += Time.deltaTime;
			occupySlider.value = gauge;
			switch (state)
			{
			case 1:
				occpupyGauge = gauge;
				break;
			case 2:
				occpupyGauge2 = gauge;
				break;
			default:
				break;
			}
		} else {
			stopOccupy = false;
			AreaOccupy ();
			break;
		}
	}
	if(gauge>100 ){
		occupyState = state;
		switch (occupyState)
		{
		case 1:
			occupyParticle.startColor = Color.cyan;
			break;
		case 2:
			occupyParticle.startColor = Color.magenta;
			break;
		default:
			occupyParticle.startColor = Color.white;
			break;
		}
	}

}

IEnumerator DeOccupy(int state)
{
	Debug.Log ("deoccupy");
	bool exception = false;
	float gauge = 0;
	switch (state)
	{
	case 1:
		occupyFill.color = Color.cyan;
		gauge = occpupyGauge;
		break;
	case 2:
		occupyFill.color = Color.magenta;
		gauge = occpupyGauge2;
		break;
	default:
		break;
	}

	float time = 0;
	while ( gauge>0 ) {
			yield return new WaitForEndOfFrame ();
			gauge -= OccupySpeed * Time.deltaTime;
			//Debug.Log (gauge);
			time += Time.deltaTime;
			occupySlider.value = gauge;
			switch (state) {
			case 1:
				occpupyGauge = gauge;
				break;
			case 2:
				occpupyGauge2 = gauge;
				break;
			default:
				break;
			}

		}

	if(gauge<0 ){
		occupyParticle.startColor = Color.gray;
		occupyState = 0;
		AreaOccupy ();
	}
}

}