222 lines
8.1 KiB
C#
222 lines
8.1 KiB
C#
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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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public class LightningSystem : MonoBehaviour {
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[HideInInspector]
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public int LightningGenerationDistance = 100;
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[HideInInspector]
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public LineRenderer LightningBolt;
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[HideInInspector]
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List<Vector3> LightningPoints = new List<Vector3>();
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[HideInInspector]
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public bool AnimateLight;
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[HideInInspector]
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public float LightningLightIntensityMin = 1;
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[HideInInspector]
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public float LightningLightIntensityMax = 1;
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[HideInInspector]
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public float LightningLightIntensity;
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[HideInInspector]
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public Light LightningLightSource;
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[HideInInspector]
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public float LightningCurveMultipler = 1.45f;
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[HideInInspector]
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public AnimationCurve LightningCurve = AnimationCurve.EaseInOut(0, 0, 1, 1);
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[HideInInspector]
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public float m_FlashSeconds = 0.5f;
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[HideInInspector]
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public Transform StartingPoint;
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[HideInInspector]
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public Transform EndingPoint;
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[HideInInspector]
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public int m_Segments = 45;
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[HideInInspector]
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public float Speed = 0.032f;
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[HideInInspector]
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public int Scale = 2;
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[HideInInspector]
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public Transform PlayerTransform;
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[HideInInspector]
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public List<AudioClip> ThunderSounds = new List<AudioClip>();
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float m_FlashTimer;
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float PointIndex;
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float TimeX_1;
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float TimeY_1;
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float TimeZ_1;
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float TimeX_2;
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float TimeY_2;
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float TimeZ_2;
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bool Generated = false;
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float LightningTime;
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AudioSource AS;
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Coroutine LightningCoroutine;
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void Start () {
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GameObject TempBolt = Resources.Load("Lightning Renderer") as GameObject;
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LightningBolt = Instantiate(TempBolt, Vector3.zero, Quaternion.identity).GetComponent<LineRenderer>();
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LightningBolt.transform.SetParent(GameObject.Find("UniStorm System").transform);
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LightningBolt.name = "Lightning Renderer";
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GameObject TempEndPoint = Resources.Load("Lightning End Point") as GameObject;
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EndingPoint = Instantiate(TempEndPoint, Vector3.zero, Quaternion.identity).transform;
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EndingPoint.transform.SetParent(GameObject.Find("UniStorm System").transform);
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EndingPoint.name = "Lightning End Point";
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StartingPoint = new GameObject().transform;
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StartingPoint.transform.position = Vector3.zero;
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StartingPoint.SetParent(GameObject.Find("UniStorm System").transform);
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StartingPoint.name = "Lightning Start Point";
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LightningBolt.positionCount = m_Segments;
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PointIndex = 1f / (float)m_Segments;
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for (int i = 0; i < LightningBolt.positionCount; i++)
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{
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LightningPoints.Add(transform.position);
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}
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m_FlashTimer = m_FlashSeconds;
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gameObject.AddComponent<AudioSource>();
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AS = GetComponent<AudioSource>();
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AS.outputAudioMixerGroup = FindObjectOfType<UniStormSystem>().UniStormAudioMixer.FindMatchingGroups("Master/Weather")[0];
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LightningBolt.enabled = false;
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GeneratePoints();
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Vector3 GeneratedPosition = new Vector3(PlayerTransform.position.x, PlayerTransform.position.y, PlayerTransform.position.z) + new Vector3(Random.insideUnitSphere.x, 0,Random.insideUnitSphere.z) * LightningGenerationDistance;
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StartingPoint.position = GeneratedPosition+new Vector3(0,80,0);
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EndingPoint.position = GeneratedPosition;
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LightningLightSource.transform.rotation = Quaternion.Euler(UnityEngine.Random.Range(35, 85), UnityEngine.Random.Range(0, 360), 0);
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LightningLightIntensity = Random.Range(LightningLightIntensityMin, LightningLightIntensityMax);
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}
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void SetupLightningLight ()
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{
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LightningLightSource.transform.rotation = Quaternion.Euler (UnityEngine.Random.Range(10,40), UnityEngine.Random.Range(0,360), 0);
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}
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void GeneratePoints ()
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{
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TimeX_1 += Time.deltaTime * Speed * 5f;
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TimeY_1 += Time.deltaTime * Speed * 0.1f;
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TimeZ_1 += Time.deltaTime * Speed * 5f;
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TimeX_2 += Time.deltaTime * Speed * 5f;
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TimeY_2 += Time.deltaTime * Speed * 25f;
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TimeZ_2 += Time.deltaTime * Speed * 5f;
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for (int i = 0; i < LightningBolt.positionCount; i++)
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{
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Vector3 position = Vector3.Lerp(StartingPoint.position, EndingPoint.position, (float)i * PointIndex);
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Vector3 position2 = Vector3.Lerp(StartingPoint.position, EndingPoint.position, (float)i * PointIndex);
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Vector3 offsetAll = new Vector3(Mathf.PerlinNoise(TimeX_1 + position.x/2, TimeX_1 + position.y/2),Mathf.PerlinNoise(TimeX_1 + position.x, TimeY_1 + position.y),Mathf.PerlinNoise(TimeX_1 + position.x/2, TimeZ_1 + position.z/2));
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Vector3 offsety = new Vector3(Mathf.PerlinNoise(TimeX_2 + position2.x/12, TimeX_2 + position2.y/12),Mathf.PerlinNoise(TimeX_2 + position2.x/12, TimeY_2 + position2.y/12),Mathf.PerlinNoise(TimeX_2 + position2.x/12, TimeZ_2 + position2.z/12));
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position += (offsetAll + offsety * Scale);
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if (i <= LightningBolt.positionCount - 5)
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{
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LightningPoints[i] = position;
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}
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else if (i != LightningBolt.positionCount - 1)
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{
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LightningPoints[i] = Vector3.Lerp(position, position2, (float)i * PointIndex);
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}
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else
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{
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LightningPoints[i] = new Vector3(EndingPoint.position.x, EndingPoint.position.y-0.5f, EndingPoint.position.z);
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}
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LightningBolt.SetPosition(i,LightningPoints[i]);
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}
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}
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void Update ()
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{
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if (AnimateLight)
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{
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LightningTime += Time.deltaTime*LightningCurveMultipler;
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var LightIntensity = LightningCurve.Evaluate(LightningTime);
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LightningLightSource.intensity = LightIntensity*LightningLightIntensity;
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if (LightningTime >= 1)
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{
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LightningTime = 0;
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AnimateLight = false;
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LightningLightSource.transform.rotation = Quaternion.Euler (UnityEngine.Random.Range(35,85), UnityEngine.Random.Range(0,360), 0);
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}
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}
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}
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public void GenerateLightning ()
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{
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Generated = true;
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//Randomize our scale and speed to create additional randomness to each lightning bolt
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Speed = Random.Range(0.05f, 0.08f);
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Scale = Random.Range(5, 12);
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LightningLightIntensity = Random.Range(LightningLightIntensityMin, LightningLightIntensityMax);
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if (LightningCoroutine != null)
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{
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StopCoroutine(LightningCoroutine);
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}
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LightningCoroutine = StartCoroutine(DrawLightning());
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}
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IEnumerator DrawLightning ()
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{
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AnimateLight = true;
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LightningBolt.enabled = true;
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StartCoroutine(ThunderSoundDelay());
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LightningBolt.widthMultiplier = 0;
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EndingPoint.GetComponent<LightningStrike>().CreateLightningStrike();
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if (EndingPoint.GetComponent<LightningStrike>().HitPosition != Vector3.zero)
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{
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Vector3 OffSet = new Vector3(Random.Range(-20,20),0,Random.Range(-20,20));
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EndingPoint.position = EndingPoint.GetComponent<LightningStrike>().HitPosition;
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StartingPoint.position = new Vector3(EndingPoint.position.x, StartingPoint.position.y, EndingPoint.position.z)+OffSet;
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}
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while (Generated)
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{
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m_FlashTimer += Time.deltaTime;
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GeneratePoints();
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LightningBolt.widthMultiplier = Mathf.PingPong(Time.time*6f,1.25f);
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if (m_FlashTimer >= m_FlashSeconds && LightningBolt.widthMultiplier <= 0.06f)
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{
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Generated = false;
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}
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yield return null;
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}
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m_FlashTimer = 0;
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LightningBolt.widthMultiplier = 0;
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LightningBolt.enabled = false;
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EndingPoint.GetComponent<LightningStrike>().HitPosition = Vector3.zero;
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Vector3 GeneratedPosition = new Vector3(PlayerTransform.position.x, PlayerTransform.position.y, PlayerTransform.position.z) + new Vector3(Random.insideUnitSphere.x, 0,Random.insideUnitSphere.z) * LightningGenerationDistance;
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Vector3 RandomOffSet = new Vector3(0,Random.Range(0,20),0);
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StartingPoint.position = GeneratedPosition+new Vector3(0,90,0)+RandomOffSet;
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EndingPoint.position = GeneratedPosition+RandomOffSet;
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}
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//When a lightning strike is generated, get the distance between the player and the lightning position.
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//Create a delay based on the distance to simulate the sound having to travel.
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IEnumerator ThunderSoundDelay ()
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{
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float DistanceDelay = Vector3.Distance(EndingPoint.position, PlayerTransform.position)/50;
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yield return new WaitForSeconds(DistanceDelay);
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AS.pitch = Random.Range(0.7f, 1.3f);
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AS.PlayOneShot(ThunderSounds[Random.Range(0, ThunderSounds.Count)]);
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}
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}
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