let projectiles = []

let sweep = true

let sweepAngle

let sweepDir = 1

let steps = 100

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  frameRate(fps)

  sweepAngle = 5*PI/4

  generateProjectile()

}

​

function generateProjectile() {

  if (!sweep){

    for (i = 0; i < 1; i++){

      projectiles.push(new Projectile(projectiles.length, width/2, height/2, random(5*PI/4,7*PI/4), random(10,20)))

    }

  } else {

    projectiles.push(new Projectile(projectiles.length, width/2, height/2, sweepAngle, random(10,20)))

    if ((sweepAngle + sweepDir*PI/(2*steps) ) > 7*PI/4 || (sweepAngle + sweepDir*PI/100) < 5*PI/4) {

      sweepDir = -sweepDir

    }

    sweepAngle += sweepDir*PI/(2*steps)

  }

}

​

function draw() {

  background(0);

  if (frameCount % 5 == 0) {

    generateProjectile()

  //console.log(projectiles)

  }

  if (projectiles.length != 0){

  for (i = 0; i < projectiles.length; i++){

    projectiles[i].draw()

    projectiles[i].update()

  } 

}else {

    //generateProjectile()

  }

}