using UnityEngine;

public class CreateSpotCookie : MonoBehaviour
{
    [ContextMenu("Create Subtle Cookie")]
    void CreateCookie()
    {
        int size = 256;
        Texture2D cookie = new Texture2D(size, size, TextureFormat.RGBA32, false);
        
        float center = size / 2f;
        float maxDist = size / 2f;
        
        for (int y = 0; y < size; y++)
        {
            for (int x = 0; x < size; x++)
            {
                float dist = Vector2.Distance(new Vector2(x, y), new Vector2(center, center));
                float normalized = dist / maxDist;
                
                // Presque tout blanc, juste le centre légèrement réduit
                float alpha = 1f;
                
                // Réduit seulement le centre (hot spot)
                if (normalized < 0.2f)
                {
                    alpha = Mathf.Lerp(0.5f, 1f, normalized / 0.2f);
                }
                
                // Bords doux
                if (normalized > 0.8f)
                {
                    alpha = Mathf.Lerp(1f, 0f, (normalized - 0.8f) / 0.2f);
                }
                
                cookie.SetPixel(x, y, new Color(alpha, alpha, alpha, alpha));
            }
        }
        
        cookie.Apply();
        
        byte[] bytes = cookie.EncodeToPNG();
        System.IO.File.WriteAllBytes(Application.dataPath + "/SubtleSpotCookie.png", bytes);
        Debug.Log("Cookie créé : Assets/SubtleSpotCookie.png");
        
        #if UNITY_EDITOR
        UnityEditor.AssetDatabase.Refresh();
        #endif
    }
}