add weather and time

Assets/Enviro 3 - Sky and Weather/Scripts/Runtime/Modules/Lightning/Lightning.cs

@@ -0,0 +1,182 @@
+using UnityEngine;
+using System.Collections;
+
+
+namespace Enviro
+{
+ 
+  public class Lightning : MonoBehaviour, ILightningEffect
+  {
+    public void CastBolt(Vector3 origin, Vector3 target)
+    {
+        this.transform.position = origin;
+        this.target = target;
+		    this.CastBolt();
+    }
+
+    public float flashIntensity = 50f;
+    public Vector3 target;
+    private LineRenderer lineRend;
+    public Light myLight;
+    public Material planeMat;
+    public int arcs = 20;
+    public float arcLength = 100.0f;
+    public float arcVariation = 1.0f;
+    public float inaccuracy = 0.5f;
+    public int splits = 4;
+    public int maxSplits = 24;
+    private int splitCount = 0;
+    public float splitLength = 100.0f;
+    public float splitVariation = 1.0f;
+
+    public Vector3 toTarget;
+    private bool fadeOut;
+    private float fadeTimer;
+
+    void OnEnable () 
+    {
+        lineRend = gameObject.GetComponent<LineRenderer> ();
+    }
+
+    IEnumerator CreateLightningBolt()
+    {
+      myLight.enabled = false;
+      lineRend.widthMultiplier = 10;
+      planeMat.SetFloat("_Brightness", 1f);
+
+
+      lineRend.SetPosition(0, transform.position);
+      lineRend.positionCount = 2;
+      lineRend.SetPosition(1, transform.position);
+      Vector3 lastPoint = transform.position;
+      float dist = Vector3.Distance(transform.position, target);
+
+      float arcDist = dist / arcs;
+
+      for (int i = 1; i < arcs; i++)
+      {
+        planeMat.SetFloat("_Brightness", Random.Range(0f,2f));
+        lineRend.positionCount =  i + 1;
+        Vector3 fwd = target - lastPoint;
+        fwd.Normalize ();
+        Vector3 pos = Randomize (fwd, inaccuracy);
+        pos *= Random.Range (arcLength * arcVariation, arcLength) * (arcDist);
+        pos += lastPoint;
+        lineRend.SetPosition (i, pos);
+       
+      if (i % 2 == 0)
+      {
+        for (int s = 0; s <= splits; s++)
+        { 
+            if(splitCount < maxSplits)
+               StartCoroutine(CreateSplit(pos, target));
+        }
+      }
+
+        lastPoint = pos;
+       // yield return new WaitForSeconds(Random.Range(0.001f,0.005f));
+      }
+      yield return new WaitForSeconds(Random.Range(0.1f,0.2f));
+      lineRend.SetPosition(arcs-1,target);
+
+      //Animate Light and Main bolt
+      myLight.transform.position = target;
+      
+      if(EnviroManager.instance.Camera != null)
+      myLight.transform.LookAt(EnviroManager.instance.Camera.transform.position, Vector3.up);
+
+      lineRend.material.SetFloat("_Brightness", this.flashIntensity);
+      planeMat.SetFloat("_Brightness", 20f);
+      myLight.enabled = true;
+      yield return new WaitForSeconds(Random.Range(0.025f,0.035f));
+      lineRend.material.SetFloat("_Brightness", 1f);
+      planeMat.SetFloat("_Brightness", 1f);
+      myLight.enabled = false;
+      yield return new WaitForSeconds(Random.Range(0.025f,0.035f));
+      lineRend.material.SetFloat("_Brightness", this.flashIntensity);
+      planeMat.SetFloat("_Brightness", 20f);
+      myLight.enabled = true;
+      yield return new WaitForSeconds(Random.Range(0.025f,0.035f));
+      lineRend.material.SetFloat("_Brightness", 1f);
+      planeMat.SetFloat("_Brightness", 1f);
+      myLight.enabled = false;
+      yield return new WaitForSeconds(Random.Range(0.025f,0.035f));
+      lineRend.material.SetFloat("_Brightness", this.flashIntensity);
+      planeMat.SetFloat("_Brightness", 0f);
+      myLight.enabled = true;
+      yield return new WaitForSeconds(Random.Range(0.025f,0.035f));
+      myLight.enabled = false;
+      fadeTimer = 50f;
+      fadeOut = true;
+    }
+
+    IEnumerator CreateSplit(Vector3 pos, Vector3 targetP)
+    {
+      splitCount++;
+      GameObject split = new GameObject();
+      split.transform.SetParent(transform);
+      split.transform.position = pos;
+      LineRenderer splitRenderer = split.AddComponent<LineRenderer>();
+      splitRenderer.material = lineRend.material;
+      splitRenderer.material.SetFloat("_Brightness", flashIntensity * 0.9f);
+      splitRenderer.positionCount = 2;
+      splitRenderer.SetPosition(0, split.transform.position);
+      splitRenderer.SetPosition(1, split.transform.position);     
+ 
+      //Set a random target 
+      toTarget = targetP - pos; 
+      toTarget = Vector3.Normalize(toTarget);
+      Vector3 posDown = new Vector3(toTarget.x,toTarget.y, toTarget.z * 0.1f);     
+      Vector3 targetPos = (Random.insideUnitSphere * 500 + pos + toTarget * 800);
+      
+      Vector3 lastPoint = split.transform.position;
+      float dist = Vector3.Distance(split.transform.position, targetPos);
+
+      float arcDist = dist / 32;
+
+      for (int i = 1; i < 16; i++)
+      {
+        splitRenderer.positionCount =  i + 1;
+        Vector3 fwd = targetPos - lastPoint;
+        fwd.Normalize ();
+        Vector3 newPos = Randomize (fwd, inaccuracy);
+
+        newPos *= Random.Range (splitLength * splitVariation, splitLength) * (arcDist);
+        newPos += lastPoint;
+        splitRenderer.SetPosition (i, newPos);
+        lastPoint = newPos;
+        yield return new WaitForSeconds(Random.Range(0.004f,0.006f));
+      }
+      splitRenderer.SetPosition(7,targetPos);
+      yield return new WaitForSeconds(Random.Range(0.2f,0.5f));
+      DestroyImmediate(split);
+    }
+ 
+    public void CastBolt()
+    {
+        lineRend.positionCount = 1;
+        StartCoroutine(CreateLightningBolt());
+    }
+    private Vector3 Randomize (Vector3 newVector, float devation) {
+        newVector += new Vector3(Random.Range(-1.0f, 1.0f), Random.Range(-1.0f, 1.0f), Random.Range(-1.0f, 1.0f)) * devation;
+        newVector.Normalize();
+        return newVector;
+    }
+
+    private void Update() 
+    {
+      if(fadeOut == true)
+      {
+        fadeTimer = Mathf.Lerp(fadeTimer,0f,10f * Time.deltaTime);
+        lineRend.material.SetFloat("_Brightness", fadeTimer);
+
+        if(fadeTimer <= 1f)
+          {
+            lineRend.positionCount = 1;
+            fadeOut = false;
+            DestroyImmediate(gameObject);
+          }
+      }
+    }
+ } 
+}