ECM2

Assets/VolumetricLightBeam/Scripts/EffectPulse.cs

@@ -0,0 +1,60 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace VLB
+{
+    [HelpURL(Consts.Help.UrlEffectPulse)]
+    [AddComponentMenu(Consts.Help.AddComponentMenuEffectPulse)]
+    public class EffectPulse : EffectAbstractBase
+    {
+        public new const string ClassName = "EffectPulse";
+
+        /// <summary>
+        /// Frequency of pulsing.
+        /// Higher value means the pulsing will occur faster.
+        /// </summary>
+        [Range(0.1f, 60.0f)]
+        public float frequency = Consts.Effects.FrequencyDefault;
+
+        /// <summary>
+        /// The amplitude of intensity change which will be applied to the Light and/or Beam.
+        /// A random value will be picked each time inside that range.
+        /// </summary>
+        [MinMaxRange(-5.0f, 5.0f)]
+        public MinMaxRangeFloat intensityAmplitude = Consts.Effects.IntensityAmplitudeDefault;
+
+        public override void InitFrom(EffectAbstractBase source)
+        {
+            base.InitFrom(source);
+
+            var sourcePulse = source as EffectPulse;
+            if (sourcePulse)
+            {
+                frequency = sourcePulse.frequency;
+                intensityAmplitude = sourcePulse.intensityAmplitude;
+            }
+        }
+
+        protected override void OnEnable()
+        {
+            base.OnEnable();
+            StartCoroutine(CoUpdate());
+        }
+
+        IEnumerator CoUpdate()
+        {
+            var t = 0.0f;
+            while (true)
+            {
+                var sin = Mathf.Sin(frequency * t);
+                var value = intensityAmplitude.GetLerpedValue(sin * 0.5f + 0.5f);
+                SetAdditiveIntensity(value);
+
+                yield return null;
+                t += Time.deltaTime;
+            }
+        }
+    }
+}
+