(force) ( boid boids behavior -- force )

Vocabulary

boids.simulation

Inputs

boid	an object
boids	an object
behavior	an object

Outputs

force

an object

Definition

USING: sequences ;

IN: boids.simulation

:: (force) ( boid boids behavior -- force )
    boid boids behavior neighbors
    [ { 0.0 0.0 } ] [ boid behavior force ] if-empty ;