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425 lines
17 KiB
425 lines
17 KiB
using AX.InputSystem; |
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using System.Collections; |
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using System.Collections.Generic; |
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using UnityEngine; |
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using UnityEngine.AI; |
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public class OriginFire |
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{ |
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public string comburent = "";//燃烧物 |
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public string position = "";//火位置 |
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public int initialSize = 30;//火初始大小 |
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public SpreadWay spreadWay = SpreadWay.None;//蔓延方式 |
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public int spreadSpeed = 0;//蔓延速度 |
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public List<Vector3> pathPoints = new List<Vector3>();//设置蔓延路径或范围点击的点；或者是自动蔓延燃烧物的坐标点 |
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} |
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/// <summary> |
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/// 火蔓延控制 |
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/// </summary> |
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public class FireSpreadCtrl : MonoBehaviour |
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{ |
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public OriginFire fireAttribute = new OriginFire(); |
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public bool combustibleInputWay;//燃烧物输入方式：true表示输入；false表示从下拉框选择 |
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public List<Vector3> spreadPoints = new List<Vector3>();//根据pathPoints算出的蔓延火的位置数组 |
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private float spreadDis = 3.0f;//蔓延出的火之间的距离(蔓延出来的火的预设的碰撞盒边长为3.163) |
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private int index;//火蔓延位置spreadPoints的索引 |
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public bool isSpreading;//是否正在蔓延 |
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public bool flag; |
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private bool flag1; |
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private float spreadSpeed;//蔓延速度 |
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public int SpreadTime;//蔓延时间间隔 |
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public float repeatRate;//蔓延方法再次调用频率 |
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public const float factor = 0.00625f;//一级风力对应的火的蔓延速度为:(1/160) |
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private float windForce;//风力 |
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private Vector3 windDir;//风向 |
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private float windForceOnSpreadDir;//风力在蔓延方向上的分量 |
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private float angle;//风向与蔓延方向的夹角 |
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private float cosAngle; |
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private Vector3 spreadDir;//蔓延方向 |
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private float width = 3.163f;//蔓延出来的火的宽 |
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public bool beController=false;//是否被控制（是否可蔓延）,true为被控制住（不可蔓延） |
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public bool BeController |
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{ |
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get |
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{ |
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return beController; |
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} |
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set |
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{ |
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beController = value; |
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if (value) |
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{ |
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CancelInvoke("FireSpreadControl"); |
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isSpreading = false; |
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//flag = false; |
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flag1 = false; |
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} |
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else |
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{ |
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isSpreading = true; |
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} |
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//蔓延同步 |
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} |
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} |
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// Use this for initialization |
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void Start() |
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{ |
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} |
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// Update is called once per frame |
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void Update() |
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{ |
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if (GameSettings.othersSettings.isStartDrill) |
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{ |
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if (!flag) |
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{ |
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isSpreading = true; |
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flag = true; |
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} |
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} |
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if (!flag1) |
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{ |
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if (isSpreading) |
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{ |
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if (fireAttribute.spreadWay == SpreadWay.None) |
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{ |
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return; |
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} |
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if (fireAttribute.spreadWay == SpreadWay.Road) |
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{ |
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bool isSpreaded = false; |
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//控制index，以控制蔓延过火后重新设置路径（接着以前路径增加）后，接着蔓延； |
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//若是换蔓延方式或者重置路径后再重新设置路径，则从头开始蔓延 |
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foreach (Transform child in transform.parent) |
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{ |
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if (child.GetComponent<SpreadedFireCtrl>() |
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&& child.GetComponent<SpreadedFireCtrl>().fireGameObjID == transform.GetComponent<BaseGameObjInfo>().gameObjID) |
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{ |
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isSpreaded = true; |
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break; |
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} |
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} |
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if (!isSpreaded) |
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{ |
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index = 0; |
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} |
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windForce = GameObject.Find("WindZone").GetComponent<WindZone>().windMain;//风力 |
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spreadDir = fireAttribute.pathPoints[fireAttribute.pathPoints.Count - 1] - fireAttribute.pathPoints[0];//蔓延方向 |
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windDir = transform.GetComponent<WindDirectionSet>().dirVec;//风向 |
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angle = Vector3.Angle(windDir, spreadDir);//风向与蔓延方向之间的夹角 |
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cosAngle = Mathf.Cos(angle * Mathf.PI / 180); |
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windForceOnSpreadDir = windForce * cosAngle;//风力在蔓延方向上的大小 |
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spreadSpeed = fireAttribute.spreadSpeed + windForce * factor * windForceOnSpreadDir; |
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//width * width:十平方； |
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//spreadSpeed * spreadSpeed：每分钟蔓延面积 |
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//SpreadTime：蔓延十平方需要多少秒 |
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SpreadTime = Mathf.RoundToInt((width * width) / (spreadSpeed * spreadSpeed) * 60); |
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repeatRate = SpreadTime; |
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} |
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else |
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{ |
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index = 0; |
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//区域蔓延，四周蔓延暂时不考虑风向风力的影响 |
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spreadSpeed = fireAttribute.spreadSpeed; |
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//width * width:十平方； |
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//spreadSpeed * spreadSpeed：每分钟蔓延面积 |
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//SpreadTime：蔓延十平方需要多少秒 |
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SpreadTime = Mathf.RoundToInt((width * width) / (spreadSpeed * spreadSpeed) * 60); |
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repeatRate = SpreadTime; |
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} |
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InvokeRepeating("FireSpreadControl", spreadSpeed, repeatRate); |
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flag1 = true; |
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} |
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} |
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} |
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public void ResetSpreadPathsAndPoints() |
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{ |
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fireAttribute.pathPoints.Clear(); |
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spreadPoints.Clear(); |
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//停止火的蔓延 |
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CancelInvoke("FireSpreadControl"); |
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isSpreading = false; |
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flag = false; |
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flag1 = false; |
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} |
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/// <summary> |
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/// 火蔓延控制 |
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/// </summary> |
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private void FireSpreadControl() |
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{ |
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var arg = new CloneSpreadFireCmdArgs(); |
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arg.cloneObjType = CloneObjType.SpreadedFire; |
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arg.parentFireGameObjID = transform.GetComponent<BaseGameObjInfo>().gameObjID; |
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arg.parentFireBuildNum = transform.GetComponent<CloneGameObjInfo>().buildNum; |
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arg.parentFireFloorNum = transform.GetComponent<CloneGameObjInfo>().floorNum; |
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arg.parentFireInterlayerNum = transform.GetComponent<CloneGameObjInfo>().interlayerNum; |
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if (index < spreadPoints.Count) |
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{ |
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//List<Vector3> tempFirePosList = spreadPoints[index++]; |
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//for (int i = 0; i < tempFirePosList.Count; i++) |
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//{ |
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// arg.hitPos = tempFirePosList[i]; |
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// CloneSpreadedFireCommand.Instance.Execute(EntitiesManager.Instance.CreateObjID(), arg); |
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//} |
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arg.hitPos = spreadPoints[index++]; |
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CloneSpreadedFireCommand.Instance.Execute(EntitiesManager.Instance.CreateObjID(CurrentUserInfo.mySelf.Id), arg); |
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} |
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if (index == spreadPoints.Count) |
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{ |
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CancelInvoke("FireSpreadControl"); |
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isSpreading = false; |
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} |
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} |
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/// <summary> |
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/// 获取蔓延火生成的位置 |
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/// </summary> |
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public void GetSpreadFirePositions() |
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{ |
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spreadPoints.Clear(); |
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var sideLength = transform.GetComponent<BoxCollider>().size.x;//火源火的边长 |
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var r = sideLength / 2; |
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if (fireAttribute.spreadWay == SpreadWay.Road) |
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{ |
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for (int i = 0; i < fireAttribute.pathPoints.Count; i++) |
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{ |
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if ((i + 1) <= (fireAttribute.pathPoints.Count - 1)) |
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{ |
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var pathDir = fireAttribute.pathPoints[i + 1] - fireAttribute.pathPoints[i];//每段路径的方向 |
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//叉积求出垂直于 蔓延路径方向与竖直方向Y形成的平面 的向量的单位向量 |
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var vertical = Vector3.Cross(pathDir, new Vector3(0,1,0)).normalized; |
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var distance = Vector3.Distance(fireAttribute.pathPoints[i], fireAttribute.pathPoints[i + 1]); |
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var result = (int)(distance / spreadDis); |
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for (int j = 1; j <= result; j++) |
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{ |
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var spreadFirePoint = Vector3.MoveTowards(fireAttribute.pathPoints[i], fireAttribute.pathPoints[i + 1], spreadDis * j); |
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var spreadFirePoint_xz = new Vector2(spreadFirePoint.x, spreadFirePoint.z); |
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var firePoint_xz = new Vector2(transform.position.x, transform.position.z); |
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float dis = Vector2.Distance(firePoint_xz, spreadFirePoint_xz); |
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if (dis > r) |
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{//火源范围之外 |
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var fireSide = transform.GetComponent<BoxCollider>().size.x; |
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var fireSide_int = Mathf.Round(fireSide); |
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var width_int = Mathf.Round(width); |
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var spreadFireNum = (int)Mathf.Round(fireSide_int / width_int); |
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if (spreadFireNum % 2 == 1) |
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{//奇数的情况 |
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if (spreadFireNum == 1) |
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{ |
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spreadPoints.Add(spreadFirePoint); |
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} |
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else |
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{//spreadFireNum等于3，5，7，9，11...... |
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int oneSide = (spreadFireNum - 1) / 2;//除设置路径上一条蔓延火外，蔓延路径两边各有和蔓延路径方向一致的几条火 |
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for (int n = oneSide; n > 0; n--) |
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{ |
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var tempSpreadFirePoint = spreadFirePoint + (spreadDis * n) * vertical; |
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spreadPoints.Add(tempSpreadFirePoint); |
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} |
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spreadPoints.Add(spreadFirePoint); |
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for (int n = 1; n <= oneSide; n++) |
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{ |
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var tempSpreadFirePoint = spreadFirePoint + (spreadDis * n) * (-vertical); |
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spreadPoints.Add(tempSpreadFirePoint); |
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} |
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} |
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} |
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else if (spreadFireNum % 2 == 0) |
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{//偶数的情况，及spreadFireNum等于4，6，8，10，12...... |
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int oneSide = spreadFireNum / 2;//除设置路径上一条蔓延火外，蔓延路径两边各有和蔓延路径方向一致的几条火 |
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for (int n = oneSide; n > 0; n--) |
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{ |
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var tempSpreadFirePoint = spreadFirePoint + (spreadDis * n - spreadDis/2) * vertical; |
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spreadPoints.Add(tempSpreadFirePoint); |
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} |
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for (int n = 1; n <= oneSide; n++) |
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{ |
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var tempSpreadFirePoint = spreadFirePoint + (spreadDis * n - spreadDis/2) * (-vertical); |
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spreadPoints.Add(tempSpreadFirePoint); |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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if (fireAttribute.spreadWay == SpreadWay.Are || fireAttribute.spreadWay == SpreadWay.Around) |
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{ |
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//找出蔓延范围多边形xz平面包围盒 |
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float[] polyline = new float[2 * fireAttribute.pathPoints.Count]; |
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for (int i = 0; i < fireAttribute.pathPoints.Count; i++) |
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{ |
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polyline[i + i] = fireAttribute.pathPoints[i].x; |
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polyline[i + i + 1] = fireAttribute.pathPoints[i].z; |
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} |
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float maxx = 0, minx = 0, maxz = 0, minz = 0; |
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int pointcount = 0; |
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if (polyline != null) |
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{ |
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pointcount = polyline.Length / 2; |
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maxx = minx = polyline[0]; |
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maxz = minz = polyline[1]; |
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for (int i = 0; i < pointcount; i++) |
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{ |
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if (maxx < polyline[i + i]) |
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maxx = polyline[i + i]; |
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if (minx > polyline[i + i]) |
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minx = polyline[i + i]; |
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if (maxz < polyline[i + i + 1]) |
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maxz = polyline[i + i + 1]; |
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if (minz > polyline[i + i + 1]) |
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minz = polyline[i + i + 1]; |
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} |
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} |
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//包围盒内按spreadDis等距分割的所有点 |
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int count_z = (int)((maxz - minz) / spreadDis); |
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int count_x = (int)((maxx - minx) / spreadDis); |
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List<Vector2> temp = new List<Vector2>(); |
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for (int i = 0; i <= count_x; i++) |
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{ |
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for (int j = 0; j <= count_z; j++) |
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{ |
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temp.Add(new Vector2(minx + spreadDis * i, minz + spreadDis * j)); |
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} |
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} |
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List<Vector2> pathPointList_xz = new List<Vector2>();//蔓延范围xz平面多边形 |
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for (int i = 0; i < fireAttribute.pathPoints.Count; i++) |
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{ |
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pathPointList_xz.Add(new Vector2(fireAttribute.pathPoints[i].x, fireAttribute.pathPoints[i].z)); |
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} |
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List<Vector2> spreadFirePositions_xz = new List<Vector2>();//蔓延范围xz平面多边形内部的点 |
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for (int i = 0; i < temp.Count; i++) |
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{ |
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int wn = CloneFireSpreadLine.instance.wn_PnPoly(pathPointList_xz, temp[i]); |
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if (wn != 0) |
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{ |
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spreadFirePositions_xz.Add(new Vector3(temp[i].x, temp[i].y)); |
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} |
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} |
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//分批次构建蔓延火点数据结构 |
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Vector2 firePos_xz = new Vector2(transform.position.x, transform.position.z); |
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float maxFanWei = Vector2.Distance(temp[0], temp[temp.Count - 1]); |
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int pici = (int)(maxFanWei / spreadDis);//蔓延批次 |
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pici = pici + 1; |
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for (int i = 1; i <= pici; i++) |
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{ |
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List<Vector2> tempList1 = new List<Vector2>(); |
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//List<Vector3> tempList = new List<Vector3>(); |
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for (int j = 0; j < spreadFirePositions_xz.Count; j++) |
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{ |
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float dis = Vector2.Distance(firePos_xz, spreadFirePositions_xz[j]); |
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if (dis != 0 && dis <= i * spreadDis) |
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{ |
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if (dis > r) |
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{//火源范围之外 |
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tempList1.Add(spreadFirePositions_xz[j]); |
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} |
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} |
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} |
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for (int n = 0; n < tempList1.Count; n++) |
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{ |
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Vector3 tempPoint = new Vector3(tempList1[n].x, transform.position.y, tempList1[n].y); |
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//使蔓延火位置的高度始终在地面上 |
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RaycastHit hitUp; |
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RaycastHit hitDown; |
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Physics.Raycast(tempPoint, Vector3.up, out hitUp, Mathf.Infinity); |
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Physics.Raycast(tempPoint, Vector3.down, out hitDown, Mathf.Infinity); |
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if (hitUp.transform != null) |
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{ |
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NavMeshHit hit = new NavMeshHit(); |
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bool isFindedPath = NavMesh.SamplePosition(hitUp.point, out hit, 0.5f, NavMesh.AllAreas); |
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if (/*hitUp.transform.gameObject.layer == LayerMask.NameToLayer("CarRoad") |
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|| hitUp.transform.gameObject.layer == LayerMask.NameToLayer("SoldierRoad")*/ |
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isFindedPath) |
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{ |
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tempPoint = new Vector3(tempPoint.x, hitUp.transform.position.y, tempPoint.z); |
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} |
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} |
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if (hitDown.transform != null) |
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{ |
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NavMeshHit hit = new NavMeshHit(); |
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bool isFindedPath = NavMesh.SamplePosition(hitDown.point, out hit, 0.5f, NavMesh.AllAreas); |
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if (/*hitDown.transform.gameObject.layer == LayerMask.NameToLayer("CarRoad") |
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|| hitDown.transform.gameObject.layer == LayerMask.NameToLayer("SoldierRoad")*/ |
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isFindedPath) |
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{ |
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tempPoint = new Vector3(tempPoint.x, hitDown.transform.position.y, tempPoint.z); |
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} |
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} |
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spreadPoints.Add(tempPoint); |
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//tempList.Add(tempPoint); |
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} |
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//spreadPoints.Add(tempList); |
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for (int m = 0; m < tempList1.Count; m++) |
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{ |
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if (spreadFirePositions_xz.Contains(tempList1[m])) |
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{ |
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spreadFirePositions_xz.Remove(tempList1[m]); |
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} |
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} |
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} |
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//因为批次是按包围盒最大点到最小点的距离除以一个批次的蔓延距离，所以可能出现没有点的批次，需要去除 |
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//for (int i = spreadPoints.Count - 1; i >= 0; i--) |
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//{ |
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// if (spreadPoints[i].Count == 0) |
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// { |
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// spreadPoints.RemoveAt(i); |
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// } |
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//} |
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} |
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} |
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}
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