wrap-pos-in ( pos dim -- pos )

Vocabulary

boids.simulation

Inputs

pos	a sequence
dim	a sequence

Outputs

pos	a sequence

Word description

Wraps a position into the given dimensions. Each extent is clamped to at least one so temporarily empty layouts remain usable.

Definition

USING: kernel math math.order sequences ;

IN: boids.simulation

: wrap-pos-in ( pos dim -- pos )
    [ 1 max [ mod ] keep [ + ] keep mod ] 2map ;