const percent = 6;

const chance = percent / 100;
const dreamDrops = 42;
const dropsPerIteration = 263;
const iterationsPerTick = 1000000;
let maxDrop = 0;
let ticks = 0;

iterationBatch();

function iterationBatch() {
  for(let x = 0; x < iterationsPerTick; x++) {
    iteration();
  }
  ticks++;
  
  console.log(`[${ticks}m]: max = ${maxDrop}`)
  setTimeout(() => iterationBatch(), 0);
}

function iteration() {
  let drops = 0;
  for(let i = 0; i < dropsPerIteration; i++) {
    if ( Math.random() <= chance) {
      drops++;
    }
  }
  maxDrop = Math.max(drops, maxDrop);
}