using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using Module.Log;

public class HitTipLogic : UIControllerBase<HitTipLogic> {

    Image m_Image = null;
    float m_time = 0.0f;
    private Keyframe[] keyframs;           // 动画曲线关键帧
    private int length;                    // 动画曲线关键帧个数
    public AnimationCurve m_AnimationCurve;
    public AudioSource _AudioSource;

	// Use this for initialization
	void Start () {

        m_Image = GetComponent<Image>();
        RectTransform transform = GetComponent<RectTransform>();
        keyframs = m_AnimationCurve.keys;    // 获取动画曲线关键帧

        length = m_AnimationCurve.length;    // 获取动画曲线关键帧个数

        
    }

    void OnEnable()
    {
        SetInstance(this);
        RefreshVolumn();
    }

    void OnDisable()
    {
        SetInstance(null);
    }

    public void RefreshVolumn()
    {
        if (PlayerPreferenceData.SystemSoundEffect)
        {
            _AudioSource.volume = PlayerPreferenceData.SystemSoundVolum;
        }
        else
        {
            _AudioSource.volume = 0;
        }
    }
	
	// Update is called once per frame
	void Update () {

        if (m_Image == null)
            return;
        if (keyframs.Length <= 0)
        {
            LogModule.WarningLog("Keyframs Length is 0");
            return;
        }

        if (m_time < keyframs[length - 1].time)
        {
            m_time += Time.deltaTime;
            float value = m_AnimationCurve.Evaluate(m_time);
            m_Image.color = new Color(m_Image.color.r, m_Image.color.g, m_Image.color.b, value);
        }
        else
        {
            m_time = 0;
        }


        
    }
}