added randomizer for lights (only intensities)

com.unity.perception/Runtime/Randomization/Randomizers/RandomizerExamples/Randomizers/LightRandomizer.cs

+using System;
+using UnityEngine.Perception.Randomization.Parameters;
+using UnityEngine.Perception.Randomization.Randomizers.SampleRandomizers.Tags;
+
+namespace UnityEngine.Perception.Randomization.Randomizers.SampleRandomizers
+{
+    /// <summary>
+    /// Randomizes the luminescence of lights tagged with a LightRandomizerTag
+    /// </summary>
+    [Serializable]
+    [AddRandomizerMenu("Perception/Light Randomizer")]
+
+    public class LightRandomizer : Randomizer
+    {
+        /// <summary>
+        /// The range of random intensities to assign to target lights
+        /// </summary>
+        [Tooltip("The range of random intensities to assign to target lights.")]
+        public FloatParameter lightIntensity;
+
+        /// <summary>
+        /// Randomizes the colors of tagged objects at the start of each scenario iteration
+        /// </summary>
+        protected override void OnIterationStart()
+        {
+            var tags = tagManager.Query<LightRandomizerTag>();
+            foreach (var tag in tags)
+            {
+                var light = tag.GetComponent<Light>();
+                light.intensity = lightIntensity.Sample();
+            }
+        }
+    }
+}

com.unity.perception/Runtime/Randomization/Randomizers/RandomizerExamples/Randomizers/LightRandomizer.cs.meta

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com.unity.perception/Runtime/Randomization/Randomizers/RandomizerExamples/Tags/LightRandomizerTag.cs

+namespace UnityEngine.Perception.Randomization.Randomizers.SampleRandomizers.Tags
+{
+    /// <summary>
+    /// Used in conjunction with a LightRandomizer to vary the material color of GameObjects
+    /// </summary>
+    [RequireComponent(typeof(Light))]
+    [AddComponentMenu("Perception/RandomizerTags/Light Randomizer Tag")]
+    public class LightRandomizerTag : RandomizerTag { }
+}

com.unity.perception/Runtime/Randomization/Randomizers/RandomizerExamples/Tags/LightRandomizerTag.cs.meta

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