Initial commit

Author: TyounanMOTI

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

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+[Ll]ibrary/
+[Tt]emp/
+[Oo]bj/
+[Bb]uild/
+[Bb]uilds/
+Assets/AssetStoreTools*
+
+# Visual Studio cache directory
+.vs/
+
+# Autogenerated VS/MD/Consulo solution and project files
+ExportedObj/
+.consulo/
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+*.svd
+*.pdb
+*.opendb
+*.VC.db
+
+# Unity3D generated meta files
+*.pidb.meta
+*.pdb.meta
+
+# Unity3D Generated File On Crash Reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.unitypackage

Assets/AudioTexture.meta

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace AudioTexture
+{
+    public class AudioTextureGenerator : ScriptableWizard
+    {
+        [SerializeField] private AudioClip audioClip;
+        
+        [MenuItem("AudioTexture/Generate")]
+        static void Open()
+        {
+            DisplayWizard<AudioTextureGenerator>("Generate amplitude AudioTexture");
+        }
+
+        private void OnWizardCreate()
+        {
+            if (audioClip.channels > 2)
+            {
+                Debug.LogError("Currently supports only 1ch or 2ch audio.");
+                return;
+            }
+
+            var data = new float[audioClip.samples * audioClip.channels];
+            audioClip.GetData(data, 0);
+
+            var width = Mathf.CeilToInt(Mathf.Sqrt(audioClip.samples));
+            var height = width;
+            var texture = new Texture2D(width, height, TextureFormat.RGFloat, false, true);
+            var colors = new Color[width * height];
+
+            if (audioClip.channels == 1)
+            {
+                for (int i = 0; i < audioClip.samples; i++)
+                {
+                    colors[i] = new Color((data[i] + 1.0f) / 2.0f, (data[i] + 1.0f) / 2.0f, 0);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < audioClip.samples; i++)
+                {
+                    colors[i] = new Color((data[i * 2] + 1.0f) / 2.0f, (data[i * 2 + 1] + 1.0f) / 2.0f, 0);
+                }
+            }
+
+            texture.SetPixels(colors);
+            ProjectWindowUtil.CreateAsset(texture, audioClip.name + ".asset");
+        }
+
+        private SerializedObject _serializedObject;
+
+        private void OnEnable()
+        {
+            _serializedObject = new SerializedObject(this);
+        }
+
+        protected override bool DrawWizardGUI()
+        {
+            _serializedObject.Update();
+            EditorGUILayout.PropertyField(_serializedObject.FindProperty("audioClip"));
+            _serializedObject.ApplyModifiedProperties();
+            return true;
+        }
+    }
+}