using XFramework;
using UnityEngine.UI;
using UnityEngine;
using XFramework.Objects;
/// <summary>
/// ui面板通用的提示文字 0.5f内从小大大显示  显示2秒 2秒内逐渐消失
/// </summary>
public class DynamicText : MonoBehaviour 
{
	Text text_thisText;
	float hideTime;
	float scale;
	CanvasGroup canvasGroup_this;
	RectTransform RectTransform_this;
	void Awake()
	{
		InitEvent();
	}

	void InitEvent()
	{
		text_thisText = this.GetComponent<Text>();
		canvasGroup_this = this.GetComponent<CanvasGroup>();
		RectTransform_this = this.GetComponent<RectTransform>();
	}

	/// <summary>
	/// 显示提示文字
	/// </summary>
	/// <param name="msg">文字信息</param>
	/// <param name="textColor">文字颜色</param>
	/// <param name="anchordPos">文字位置</param>
	public void ShowPromptText(string msg,Color textColor,Vector2 anchordPos)
	{
		text_thisText.text = msg;
		text_thisText.color = textColor;

		scale = 0.1f;
		hideTime = 3;
		canvasGroup_this.alpha = 1;
		RectTransform_this.anchoredPosition = anchordPos;
		this.transform.localScale = new Vector3(scale, scale, 1);
	}


    private void FixedUpdate()
    {
		if (scale < 1)//先由小到大显示文字
		{
			scale += Time.fixedDeltaTime * 2;
			this.transform.localScale = new Vector3(scale, scale, 1);
		}
		else//显示完成后文字上升  逐渐隐藏
		{
			RectTransform_this.anchoredPosition +=Vector2.up * Time.fixedDeltaTime * 50;
			if (canvasGroup_this.alpha > 0f)
				canvasGroup_this.alpha -= Time.fixedDeltaTime / hideTime;
		}

		if (hideTime > 0)//计时
		{
			hideTime -= Time.fixedDeltaTime;
		}
		else//超出计时器隐藏
		{
			ObjectPool.Instance.Destroy(this.gameObject);
		}

    }

}