battlearray_client/Assets/Scripts/Battle/Map/AI/Threat.cs

using UnityEngine;
using System.Collections;

public class Threat
{

	public int id;
	public float time;
	public float value = -1f;

	public Threat(int id, float value)
	{
		this.id = id;
		SetValue(value);
	}

	public void SetValue(float value)
	{
		if(GetValue() < value)
		{
			this.value = value;
			time = GameTime.time;
		}
	}

	public float GetValue()
	{
		float deltaTime = GameTime.time - time;
		if(deltaTime > 3f)
		{
			deltaTime = deltaTime - 3f;
			float modifyValue = value * (1f - deltaTime / 5f);
			return Mathf.Max(modifyValue, 0);
		}
		return value;
	}
	
}