stroke(254,220,35)

​

  beginShape(LINES)

  for (let i = minX; i < maxX; i += float(step)){

        vertex(i,equation(i));

        vertex(i+1,equation(i+1)); 

  }

  endShape()

}

​

function EQ(x){

    return x

}

​

​

​

function setup() {

  createCanvas(400, 400);

  translate(width/2,height/2)

  background(51);

  //scale(6,6)

  rotate(-90*(PI/180))

  drawEq(EQ, 0.1, -1000, 0, 1000)

  stroke(255)

  line(-width, 0, width, 0)

  line(0, -height, 0, height)

}

​

function draw() {

}