main.js

var population
var lifespan = 200 // this will be used to determine how long a stick lives for, and how many genes it has
var visualLifespan // helper to draw to screen
var count = 0 // incrementally measures lifespan
var target // my circle, that is a circle and represents nothing else metaphorically

function setup() {
    createCanvas(800, 600)

    population = new Population()
    visualLifespan = createP()
    target = createVector(width/2, 50) // draw the circle in the middle of the screen, at the top
}

function draw() {
    background(42, 49, 57)
    population.run() // instantiate a generation of sticks - 25 of them
    visualLifespan.html(count) // draw the lifecycle to the screen
    count++

    if (count == lifespan) { // everytime count reaches 200, the length of a lifecycle, a new generation is created
        population = new Population()
        count = 0
    }

    ellipse(target.x, target.y, 16, 16)
}