gradient-vertices ( direction dim colors -- seq )

Vocabulary

ui.pens.gradient.private

Inputs

direction	an object
dim	an object
colors	an object

Outputs

seq

an object

Definition

USING: alien.c-types alien.data arrays kernel math math.vectors
sequences ;

IN: ui.pens.gradient.private

:: gradient-vertices ( direction dim colors -- seq )
    direction dim v* dim over v- swap colors length
    [ <iota> ] [ 1 - ] bi v/n [ v*n ] with map swap
    [ over v+ 2array ] curry map concat concat float >c-array ;