stick.js

function Stick() {
    this.pos = createVector(width/2, height) // the position of the stick
    this.vel = createVector() // the velocity of the stick
    this.acc = createVector() // the acceleration rate of the stick
    this.dna = new dna() // one strand of DNA to last the lifespan of the stick

    this.applyForce = function(force) {
        this.acc.add(force) // this allows for movement
    }

    this.update = function() {
        this.applyForce(this.dna.genes[count]) // it takes its movement from its genes - ie fast, slow
        this.vel.add(this.acc) // move in the given direction by the given amount
        this.pos.add(this.vel) // update the position to align with the movement
        this.acc.mult(0)
    }

    this.show = function() {
        push()
        noStroke()
        fill(255, 150)
        translate(this.pos.x, this.pos.y) // actually move
        rotate(this.vel.heading())
        rectMode(CENTER)
        rect(0, 0, 25, 5)
        pop()
    }
}