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Logic

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Separate Logic from Content

To program interaction logic, sequences or any other more complex tasks, you should NOT start to weave the logic part deep into your patches but rather have a central command station where you handle all the logical states in an abstract way and send them as needed to other places in your patch.

Basic logic programming

Related nodes

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Note, if you see too many of these nodes in your patch and the logic gets more and more confusing it's time to switch to State Machine.

Conditions

Wondering how to control data flow in manner of if-else statements? See Conditions.

State Machine

Related nodes

Automata

Use Automata (Animation) for complex logical structures. Automata allows you to distill complex logic into a textual description. See it's extensive helppatch.

Qfsm graphical tool is good for drawing State Machines, it allows you to export state machine statements for the Automata (Animation).

Automata UI

There is also a much more convenient Automata UI contributed by u7angel which enables you to design your program logic with states and transitions as well as giving them a duration within a visual editor.

Sequence based logic

Use Timeliner (Animation) for more sequence based logic. It has an Automata track to jump in the timeline. How to use Timeliner.



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Shoutbox

~27min ago

joreg: wanna learn #vvvv from scratch? here is a chance: vvvv-academy-winter-course-2018

~1h ago

~24h ago

keftaparty: @circuitb already tried, no luck with them... Thanks anyway.

~1d ago

keftaparty: Show tonight, thanks !

~1d ago

keftaparty: Urgent: does anyone know a wireless video transmission specialist in Paris. Having crazy problems here. Using Teradek hardware.

~2d ago

r.a.u.l.: I found some workarounds to get some output, but I‘ll prepare a patch that shows the different issues

~2d ago

joreg: @raul can you provide a patch that shows this in a new forum thread?

~2d ago

r.a.u.l.: FileStream (EX9) in Preview-Node works, but patching VideoTexture/FullscreenQuad/Renderer is black.. ideas? It works elsewhere :-(

~2d ago

aoi: Would you be willing to choose some days to write an article in this calendar in English or Japanese? https://qiita.com/advent-calendar/2017/vvvv