Orca Cheat Sheet

In Orca every letter on the grid is an operator that sends MIDI, OSC or UDP. Lower-case runs on a bang; upper-case runs every frame. Here's what each operator does.

Reading the grid

*Bang — triggers lower-case operators

Upper-case (A)Runs every frame

Lower-case (a)Runs only when banged

#…#Comment (ignored)

Values & movement

D8Clock: bangs on a divider

RRandom value

CClock counting up to a modulo

N E S WMovers: send a bang travelling that way

IIncrement a value up to a cap

Maths & logic

AAdd two neighbours

BSubtract

MMultiply

FIf — bang when two inputs are equal

LLesser of two inputs

ZLerp toward a target

Flow

HHalt — stops a value passing

JJumper — copies the value above

TTrack — reads one of several inputs

UEuclid — bang on a euclidean rhythm

VVariable — write and read named values

Output

:MIDI note (channel, octave, note)

;Pitch — a MIDI-mappable value

=MIDI CC

!MIDI mono

$Send an OSC / UDP message

Orca — Esoteric grid sequencer. · Orca in the tool directory →

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