private void CheckForLightning()
{
// time for another strike?
if (Time.time >= script.nextLightningTime)
{
bool intense = UnityEngine.Random.value < script.LightningIntenseProbability;
script.StartCoroutine(ProcessLightning(null, null, intense, script.LightningAlwaysVisible));
}
}
public IEnumerator ProcessLightning(bool intense, bool visible)
{
float sleepTime;
AudioClip[] sounds;
float intensity;
script.lightningInProgress = true;
if (intense)
{
float percent = UnityEngine.Random.Range(0.0f, 1.0f);
intensity = Mathf.Lerp(2.0f, 8.0f, percent);
sleepTime = 5.0f / intensity;
script.lightningDuration = UnityEngine.Random.Range(script.LightningShowTimeRange.x, script.LightningShowTimeRange.y);
sounds = script.ThunderSoundsIntense;
}
else
{
float percent = UnityEngine.Random.Range(0.0f, 1.0f);
intensity = Mathf.Lerp(0.0f, 2.0f, percent);
sleepTime = 30.0f / intensity;
script.lightningDuration = UnityEngine.Random.Range(script.LightningShowTimeRange.x, script.LightningShowTimeRange.y);
sounds = script.ThunderSoundsNormal;
}
if (script.skyboxMaterial != null && script.ModifySkyboxExposure)
{
script.skyboxMaterial.SetFloat("_Exposure", Mathf.Max(intensity * 0.5f, script.skyboxExposureStorm));
}
// determine number of lightning strikes
int count;
int num = UnityEngine.Random.Range(0, 100);
if (num > 95)
{
count = 3;
}
else if (num > 80)
{
count = 2;
}
else
{
count = 1;
}
// determine duration - for multiple strikes, add a little extra time
float duration = (count == 1 ? script.lightningDuration : (script.lightningDuration / count) * UnityEngine.Random.Range(1.05f, 1.25f));
// make sure the duration lasts for all the lightning strikes
script.lightningDuration *= count;
// perform the strike
Strike(intense, script.Generations, duration, intensity, script.ChaosFactor, script.GlowIntensity, script.GlowWidthMultiplier, script.Forkedness, count, script.Camera, visible ? script.Camera : null);
// calculate the next lightning strike
script.StartCoroutine(CalculateNextLightningLater(duration));
// thunder will play depending on intensity of lightning
bool playThunder = (intensity >= 1.0f);
//Debug.Log("Lightning intensity: " + intensity.ToString("0.00") + ", thunder delay: " +
// (playThunder ? sleepTime.ToString("0.00") : "No Thunder"));
if (playThunder && sounds != null && sounds.Length != 0)
{
// wait for a bit then play a thunder sound
yield return(new WaitForSeconds(sleepTime));
AudioClip clip = null;
do
{
// pick a random thunder sound that wasn't the same as the last sound, unless there is only one sound, then we have no choice
clip = sounds[UnityEngine.Random.Range(0, sounds.Length - 1)];
}while (sounds.Length > 1 && clip == script.lastThunderSound);
// set the last sound and play it
script.lastThunderSound = clip;
script.audioSourceThunder.PlayOneShot(clip, intensity * 0.5f);
}
}
