init

Assets/WasapiAudio/Scripts/Unity/VfxAudioSpectrumDataBinder.cs

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+using UnityEngine;
+using UnityEngine.VFX;
+using UnityEngine.VFX.Utility;
+
+namespace Assets.WasapiAudio.Scripts.Unity
+{
+    [AddComponentMenu("VFX/Property Binders/VFX Audio Spectrum Data Binder")]
+    [VFXBinder("Audio/Audio Spectrum Data to AttributeMap")]
+    public class VfxAudioSpectrumDataBinder : VfxAudioVisualizationEffect
+    {
+        [VFXPropertyBinding("System.UInt32"), SerializeField]
+        protected ExposedProperty SpectrumSizeParameter = "SpectrumSize";
+
+        [VFXPropertyBinding("UnityEngine.Texture2D"), SerializeField]
+        protected ExposedProperty SpectrumDataTextureParameter = "SpectrumDataTexture";
+
+        private Texture2D _texture;
+        private Color[] _colorCache;
+
+        private void UpdateTexture()
+        {
+            if (_texture == null)
+            {
+                _texture = new Texture2D(SpectrumSize, 1, TextureFormat.RFloat, false);
+                _texture.name = $"AudioSpectrumData{SpectrumSize}";
+                _colorCache = new Color[SpectrumSize];
+            }
+
+            var spectrumData = GetSpectrumData();
+
+            for (int i = 0; i < SpectrumSize; i++)
+            {
+                _colorCache[i] = new Color(spectrumData[i], 0, 0, 0);
+            }
+
+            _texture.SetPixels(_colorCache);
+            _texture.Apply();
+        }
+
+        public override void UpdateBinding(VisualEffect component)
+        {
+            base.UpdateBinding(component);
+            UpdateTexture();
+            component.SetUInt(SpectrumSizeParameter, (uint) SpectrumSize);
+            component.SetTexture(SpectrumDataTextureParameter, _texture);
+        }
+
+        public override string ToString()
+        {
+            return "Audio Spectrum Data";
+        }
+    }
+}