using System.Collections.Generic;
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using DG.Tweening;
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using KTGMGemClient;
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using TowerDefense.Level;
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using UnityEngine;
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using UnityEngine.UI;
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/// <summary>
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/// 图片飞向宝箱脚本
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/// </summary>
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public class FlyImage : MonoBehaviour
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{
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private Vector3 endP;//终点
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private Vector3 p1;//控制点，来调节曲线效果
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private Vector3 startP;//
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private int index;
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private List<Vector3> point = new List<Vector3>();
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private RectTransform ts;
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/// <summary>
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/// Awake is called when the script instance is being loaded.
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/// </summary>
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void Awake()
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{
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tmpImage = transform.GetComponent<Image>();
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ts = transform.GetComponent<RectTransform>();
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}
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private Image tmpImage;
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/// <summary>
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/// 设置终点
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/// </summary>
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/// <param name="endP">终点</param>
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/// <param name="useBezier">是否使用贝塞尔</param>
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public void SetDestination(Sprite sp, Vector3 startP, Vector3 endP, bool useBezier)
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{
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if (sp != null)
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tmpImage.sprite = sp;
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transform.position = startP;
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ts.localPosition += RandomPos();
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if (useBezier)
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{
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index = 0;
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//startP = transform.position;
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p1 = transform.position + GetOffect();
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point = new List<Vector3>();
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for (int i = 1; i < 101; i++)
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{
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Vector3 Bezierposition = BezierMath2(transform.position, p1, endP, (float)(i * 0.01));
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point.Add(Bezierposition);
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}
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Bezier_Move();
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}
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else
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{
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transform.DOMove(endP, 2f).SetEase(Ease.OutQuad).OnComplete(Close);
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}
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}
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bool isUp;
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private Vector3 RandomPos()
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{
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Vector3 tmpV = Vector3.zero;
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tmpV.x -= UnityEngine.Random.Range(10, 20);
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int a = UnityEngine.Random.Range(-20, 20);
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isUp = a > 0;
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tmpV.z += a;
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return tmpV;
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}
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private Vector3 GetOffect()
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{
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Vector3 tmpV = Vector3.zero;
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tmpV.x -= UnityEngine.Random.Range(10, 15);
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if (isUp)
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{
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tmpV.z += UnityEngine.Random.Range(10, 20);
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}
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else
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{
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tmpV.z -= UnityEngine.Random.Range(10, 20);
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}
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return tmpV;
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}
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/// <summary>
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/// 控制物体沿曲线移动
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/// </summary>
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private void Bezier_Move()
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{
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if (index + 3 >= point.Count)
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{
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//到终点了
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Close();
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return;
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}
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else
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{
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transform.DOMove(point[index], 0.01f).OnComplete(Bezier_Move);
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index += 3;
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}
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}
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private void Close()
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{
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//Debug.Log("到终点了,可以消失了" + EndlessLevelManager.instance.DropCoin);
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gameObject.SetActive(false);
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EndlessLevelManager.instance.Currency.AddCurrency(1);//每个金币增加1
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EventCenter.Ins.BroadCast((int)KTGMGemClient.EventType.PlayGetGoldPS);
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//Core.Utilities.Poolable.TryPool(gameObject);
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}
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/// <summary>
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/// 计算贝塞尔曲线
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/// </summary>
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/// <param name="startP">开始点</param>
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/// <param name="p1">控制点，来调节曲线效果</param>
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/// <param name="endP">终点</param>
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/// <param name="t">i * 0.01 100个点里面的比例</param>
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/// <returns></returns>
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private Vector3 BezierMath2(Vector3 startP, Vector3 p1, Vector3 endP, float t)
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{
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return (1 - t) * (1 - t) * startP + 2 * (1 - t) * t * p1 + t * t * endP;
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}
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// <summary>
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// 三次贝塞尔
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// </summary>
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public static Vector3 Bezier_3(Vector3 startP, Vector3 p1, Vector3 p2, Vector3 endP, float t)
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{
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return (1 - t) * ((1 - t) * ((1 - t) * startP + t * p1) + t * ((1 - t) * p1 + t * p2)) + t * ((1 - t) * ((1 - t) * p1 + t * p2) + t * ((1 - t) * p2 + t * endP));
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}
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}
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