Initial commit

LightFlicker.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+[RequireComponent(typeof(Light))]
+public class LightFlicker : MonoBehaviour
+{
+    [Tooltip("Base Brightness of the flickering light (used when Normality happens)")]
+    [Range(0.0f, 8.0f)]
+    public float baseBrightness = 1.0f;
+
+    [Tooltip("Intensity of the periodic brightness fluctuations")]
+    [Range(0.0f, 10.0f)]
+    public float oscillationIntensity = 2.0f;
+    [Tooltip("Frequency of the periodic brightness fluctuations")]
+    [Range(0.0f, 100.0f)]
+    public float oscillationSpeed = 44.0f;
+
+    [Tooltip("Intensity of the random brightness flicker")]
+    [Range(0.0f, 10.0f)]
+    public float flickerIntensity = 2.0f;
+    [Tooltip("Frequency of the random brightness flicker")]
+    [Range(0.0f, 1.0f)]
+    public float flickerSpeed = 0.1f;
+    [Tooltip("Off vs On-percentage of the random brightness flicker")]
+    [Range(0.0f, 1.0f)]
+    public float flickerOffVsOn = 0.5f;
+
+    [Tooltip("Frequency of the normality effect (where flicker and oscillations are switched off)")]
+    [Range(0.0f, 1.0f)]
+    public float normalitySpeed = 0.1f;
+    [Tooltip("Likelyhood of the normality effect to happen (where flicker and oscillations are switched off)")]
+    [Range(0.0f, 1.0f)]
+    public float normalityLikelyhood = 0.5f;
+
+    float randomWalk = 0.0f;
+    float flickerBrightness = 0.0f;
+    float upperBound = 1.0f;
+    float lowerBound = -1.0f;
+
+    float oscillationBrightness = 0.0f;
+
+    float randomWalk2 = 0.0f;
+    float upperBound2 = 1.0f;
+    float lowerBound2 = 0.0f;
+
+    Light thisLight;
+    // Start is called before the first frame update
+    void Start()
+    {
+        thisLight = this.gameObject.GetComponent<Light>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        // Flicker
+        randomWalk += Random.Range(-flickerSpeed, flickerSpeed);
+        if (randomWalk >= upperBound) { randomWalk = upperBound; }
+        if (randomWalk <= lowerBound) { randomWalk = lowerBound; }
+        flickerBrightness = (randomWalk * flickerIntensity) + (-8.0f + flickerOffVsOn * 16.0f) * flickerIntensity;
+
+        // Oscillation
+        oscillationBrightness =  ((Mathf.PingPong(Time.time*oscillationSpeed, 8.0f) * Mathf.PingPong(Time.time*oscillationSpeed*1.131517f,4.0f)) - 4.0f) * oscillationIntensity*0.1f;
+
+        // Normality
+        randomWalk2 += Random.Range(-normalitySpeed * 0.2f, normalitySpeed * 0.2f);
+        if (randomWalk2 >= upperBound2) { randomWalk2 = upperBound2; }
+        if (randomWalk2 <= lowerBound2) { randomWalk2 = lowerBound2; }
+
+        if (randomWalk2 <= normalityLikelyhood) 
+        {
+            thisLight.intensity = baseBrightness;
+        } else {
+            thisLight.intensity = baseBrightness + flickerBrightness + oscillationBrightness;
+        }
+    }
+}
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