function GetVersion () : uint

Description

Returns the version of the asset postprocessor.

When the script is recompiled, if a version change is detected, the assets associated with this asset postprocessor will be reimported.

class TexturePostProcessor : AssetPostprocessor
{
    // Bump this number to make textures reimport after modifying the post processor below.
    private uint m_Version = 0;
    public override uint GetVersion() {return m_Version;}

    public void OnPostprocessTexture(Texture2D tex)
    {
        Color[] pix = tex.GetPixels();
        for (int i = 0; i < pix.Length; i++)
        {
            pix[i] = pix[i] * 0.5f;
        }
        tex.SetPixels(pix);
        tex.Apply(true, true);
    }
}