76 lines
2.8 KiB
C#
76 lines
2.8 KiB
C#
using UnityEngine;
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using UnityEngine.VFX;
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using UnityEngine.VFX.Utility;
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using Assets.WasapiAudio.Scripts.Unity;
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namespace Assets.WasapiAudio.Scripts.Unity
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{
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[AddComponentMenu("VFX/Property Binders/Spectre - VFX Binder")]
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[VFXBinder("Audio/Audio Spectrum Data to AttributeMap")]
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public class SpectreVfxBinder : VfxAudioVisualizationEffect
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{
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[VFXPropertyBinding("System.UInt32"), SerializeField]
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protected ExposedProperty SpectrumSizeParameter = "SpectrumSize";
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[VFXPropertyBinding("UnityEngine.Texture2D"), SerializeField]
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protected ExposedProperty SpectrumDataTextureParameter = "SpectrumDataTexture";
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public bool symmetric = false;
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private Texture2D _texture;
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private Color[] _colorCache;
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private void InitialiseTexture() {
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Debug.Log("Reinitialising spectrum texture...");
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if (symmetric) {
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_texture = new Texture2D(SpectrumSize * 2, 1, TextureFormat.RFloat, false);
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_colorCache = new Color[SpectrumSize * 2];
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} else {
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_texture = new Texture2D(SpectrumSize, 1, TextureFormat.RFloat, false);
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_colorCache = new Color[SpectrumSize];
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}
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_texture.name = $"AudioSpectrumData{SpectrumSize}";
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}
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private void UpdateTexture() {
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// init
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if (_texture == null) InitialiseTexture();
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// has symmetric been toggled and the texture needs updating?
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if (symmetric && _texture.width != SpectrumSize * 2) InitialiseTexture();
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if (!symmetric && _texture.width != SpectrumSize) InitialiseTexture();
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var spectrumData = GetSpectrumData();
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if (symmetric) {
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for (int i = 0; i < SpectrumSize; i++) {
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_colorCache[SpectrumSize + i] = new Color(spectrumData[i], 0, 0, 0);
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_colorCache[SpectrumSize - (i + 1)] = new Color(spectrumData[i], 0, 0, 0);
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}
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} else {
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for (int i = 0; i < SpectrumSize; i++) {
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_colorCache[i] = new Color(spectrumData[i], 0, 0, 0);
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}
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}
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_texture.SetPixels(_colorCache);
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_texture.Apply();
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}
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public override void UpdateBinding(VisualEffect component) {
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base.UpdateBinding(component);
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UpdateTexture();
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if (symmetric) {
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component.SetUInt(SpectrumSizeParameter, (uint) SpectrumSize * 2);
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} else {
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component.SetUInt(SpectrumSizeParameter, (uint) SpectrumSize);
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}
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component.SetTexture(SpectrumDataTextureParameter, _texture);
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}
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public override string ToString() {
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return "Audio Spectrum Data";
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}
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}
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} |