Where is the `computeField` function?

[eternal-echo]

I can't find computeField which is called in 04 - Graphics. Could you please tell me how to get it.

[claasehmke]

I have the same problem. Are there any updates?

[eternal-echo]

I have the same problem. Are there any updates?

Aha, I think there is no update. Maybe he forget to update the full code in the new version. But we can use the old version.