124 lines
3.9 KiB
C#
124 lines
3.9 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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namespace RhythmHeavenMania.Editor
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{
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public class WaveformVisual : MonoBehaviour
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{
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public new AudioSource audio;
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public RawImage image;
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public int width;
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public Color col;
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int resolution = 60;
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float[] waveForm;
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float[] samples;
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Texture2D texture;
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private void Start()
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{
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audio = Conductor.instance.musicSource;
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GetComponent<RectTransform>().sizeDelta = new Vector2(Conductor.instance.SongLengthInBeats(), GetComponent<RectTransform>().sizeDelta.y);
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texture = new Texture2D(width, 100, TextureFormat.RGBA32, false);
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CreateWaveForm();
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}
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// This two are from unity answer (I mixed up)
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public void CreateWaveForm()
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{
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resolution = audio.clip.frequency / resolution;
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samples = new float[audio.clip.samples * audio.clip.channels];
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audio.clip.GetData(samples, 0);
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int s = 0;
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while (s < samples.Length)
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{
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samples[s] = samples[s] * 0.5F;
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++s;
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}
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audio.clip.SetData(samples, 0);
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waveForm = new float[(samples.Length / resolution)];
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for (int i = 0; i < waveForm.Length; i++)
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{
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waveForm[i] = 0;
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for (int ii = 0; ii < resolution; ii++)
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{
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waveForm[i] += Mathf.Abs(samples[(i * resolution) + ii]);
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}
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waveForm[i] /= resolution;
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}
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MakeTexture(width, 100, waveForm, col);
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}
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public void MakeTexture(int width, int height, float[] waveform, Color col)
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{
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texture = new Texture2D(width, height, TextureFormat.RGBA32, false);
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for (int x = 0; x < width; x++)
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{
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for (int y = 0; y < height; y++)
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{
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texture.SetPixel(x, y, Color.black);
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}
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}
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for (int x = 0; x < waveform.Length; x++)
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{
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for (int y = 0; y <= waveform[x] * ((float)height * .75f); y++)
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{
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texture.SetPixel(x, (height / 2) + y, col);
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texture.SetPixel(x, (height / 2) - y, col);
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}
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}
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texture.Apply();
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image.texture = texture;
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}
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void Update()
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{
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//script from unity doc.
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float[] spectrum = new float[1024];
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AudioListener.GetSpectrumData(spectrum, 0, FFTWindow.Rectangular);
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/*for (int i = 1; i < spectrum.Length - 1; i++)
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{
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Debug.DrawLine(new Vector3(i - 1, spectrum[i] + 10, 0), new Vector3(i, spectrum[i + 1] + 10, 0), Color.red);
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Debug.DrawLine(new Vector3(i - 1, Mathf.Log(spectrum[i - 1]) + 10, 2), new Vector3(i, Mathf.Log(spectrum[i]) + 10, 2), Color.cyan);
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Debug.DrawLine(new Vector3(Mathf.Log(i - 1), spectrum[i - 1] - 10, 1), new Vector3(Mathf.Log(i), spectrum[i] - 10, 1), Color.green);
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Debug.DrawLine(new Vector3(Mathf.Log(i - 1), Mathf.Log(spectrum[i - 1]), 3), new Vector3(Mathf.Log(i), Mathf.Log(spectrum[i]), 3), Color.blue);
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}
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//script from unity answer
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for (int i = 0; i < waveForm.Length - 1; i++)
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{
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Vector3 sv = new Vector3(i * .01f, waveForm[i] * 10, 0);
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Vector3 ev = new Vector3(i * .01f, -waveForm[i] * 10, 0);
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Debug.DrawLine(sv, ev, Color.yellow);
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}*/
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int current = audio.timeSamples / resolution;
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current *= 2;
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Vector3 c = new Vector3(current * .01f, 0, 0);
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Debug.DrawLine(c, c + Vector3.up * 10, Color.white);
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}
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}
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}
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