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using UnityEngine;
using UnityEditor;
using System.Collections.Generic;
public class ImageSequenceToTexture3D : EditorWindow
{
private List<Texture2D> sourceImages = new List<Texture2D>();
private string textureName = "Texture3DFromSequence";
private FilterMode filterMode = FilterMode.Bilinear;
private TextureWrapMode wrapMode = TextureWrapMode.Repeat;
[MenuItem("Tools/yum_food/Image Sequence to Texture3D")]
public static void ShowWindow()
{
GetWindow<ImageSequenceToTexture3D>("Image Sequence to Texture3D");
}
private void OnGUI()
{
GUILayout.Label("Image Sequence to Texture3D Converter", EditorStyles.boldLabel);
EditorGUILayout.HelpBox("Add images in the order they should appear in the Z-axis", MessageType.Info);
// Image sequence management
EditorGUILayout.LabelField("Source Images", EditorStyles.boldLabel);
for (int i = 0; i < sourceImages.Count; i++)
{
EditorGUILayout.BeginHorizontal();
sourceImages[i] = (Texture2D)EditorGUILayout.ObjectField($"Slice {i}", sourceImages[i], typeof(Texture2D), false);
if (GUILayout.Button("Remove", GUILayout.Width(60)))
{
sourceImages.RemoveAt(i);
GUILayout.EndHorizontal();
break;
}
EditorGUILayout.EndHorizontal();
}
if (GUILayout.Button("Add Image Slot"))
{
sourceImages.Add(null);
}
textureName = EditorGUILayout.TextField("Texture Name", textureName);
filterMode = (FilterMode)EditorGUILayout.EnumPopup("Filter Mode", filterMode);
wrapMode = (TextureWrapMode)EditorGUILayout.EnumPopup("Wrap Mode", wrapMode);
if (GUILayout.Button("Generate 3D Texture"))
{
if (ValidateInputs())
{
Generate3DTexture();
}
}
}
private bool ValidateInputs()
{
if (sourceImages.Count == 0)
{
EditorUtility.DisplayDialog("Error", "Please add at least one image.", "OK");
return false;
}
if (sourceImages.Contains(null))
{
EditorUtility.DisplayDialog("Error", "Please assign all image slots.", "OK");
return false;
}
// Verify all images have the same dimensions
int width = sourceImages[0].width;
int height = sourceImages[0].height;
for (int i = 1; i < sourceImages.Count; i++)
{
if (sourceImages[i].width != width || sourceImages[i].height != height)
{
EditorUtility.DisplayDialog("Error",
$"All images must have the same dimensions. Expected {width}x{height}, but image {i} is {sourceImages[i].width}x{sourceImages[i].height}",
"OK");
return false;
}
}
return true;
}
private void Generate3DTexture()
{
int width = sourceImages[0].width;
int height = sourceImages[0].height;
int depth = sourceImages.Count;
// Create the 3D texture
Texture3D texture3D = new Texture3D(width, height, depth, TextureFormat.RGBA32, false);
texture3D.filterMode = filterMode;
texture3D.wrapMode = wrapMode;
// Prepare the color array
Color[] colors = new Color[width * height * depth];
// Copy the pixel data from each source image
for (int z = 0; z < depth; z++)
{
Color[] imageColors = sourceImages[z].GetPixels();
System.Array.Copy(imageColors, 0, colors, z * width * height, width * height);
}
texture3D.SetPixels(colors);
texture3D.Apply();
// Save the texture asset
string path = $"Assets/{textureName}.asset";
AssetDatabase.CreateAsset(texture3D, path);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
EditorUtility.DisplayDialog("Success", $"3D texture generated and saved at {path}", "OK");
}
}
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