public static Color[] GetSafePixels(this Texture2D texture, Rect?crop = null)
{
Color[] pixels = null;
Texture2D source = texture;
bool isReadable = false;
BabylonTextureImporter importTool = null;
string srcTexturePath = AssetDatabase.GetAssetPath(texture);
if (srcTexturePath.IndexOf("unity_builtin_extra", StringComparison.OrdinalIgnoreCase) >= 0)
{
source = texture.RenderToTexture();
}
else
{
importTool = new BabylonTextureImporter(srcTexturePath);
isReadable = importTool.IsReadable();
if (!isReadable)
{
importTool.SetReadable();
}
}
try
{
if (crop != null && crop.HasValue)
{
pixels = source.GetPixels((int)crop.Value.x, (int)crop.Value.y, (int)crop.Value.width, (int)crop.Value.height);
}
else
{
pixels = source.GetPixels();
}
}
catch (Exception ex)
{
UnityEngine.Debug.LogException(ex);
}
finally
{
if (importTool != null && isReadable == false)
{
importTool.ForceUpdate();
}
}
return(pixels);
}