private static void SetPivotCenterOfMass()
{
Texture2D texture = Selection.activeObject as Texture2D;
string path = AssetDatabase.GetAssetPath(texture);
TextureImporter tempImporter = (TextureImporter)AssetImporter.GetAtPath(path);
SpriteMetaData[] meta = new SpriteMetaData[tempImporter.spritesheet.Length];
texture.SetReadable(true);
for (int i = 0; i < meta.Length; i++)
{
meta[i].name = i.ToString();
meta[i].alignment = (int)SpriteAlignment.Custom;
Vector2 centerOfMass = texture.CenterOfMass(tempImporter.spritesheet[i].rect);
meta[i].pivot = new Vector2(centerOfMass.x / tempImporter.spritesheet[i].rect.width, centerOfMass.y / tempImporter.spritesheet[i].rect.height);
meta[i].rect = tempImporter.spritesheet[i].rect;
}
tempImporter.spritesheet = meta;
tempImporter.textureType = TextureImporterType.Sprite;
AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(texture));
AssetDatabase.Refresh();
}
public static Vector2 CenterOfMass(this Texture2D texture)
{
return(texture.CenterOfMass(new Rect(0, 0, texture.width, texture.height)));
}
