const bitmap = createBitmap(16, 8);
bitmap.drawRectangle({
  start: { x: 1, y: 1 },
  end: { x: 1, y: 1 },
});

bitmap.drawRectangle({
  start: { x: 9, y: 5 },
  end: { x: 11, y: 7 },
});

console.log(bitmap.getBitString());

expect(
  bitmap.hasCollision({
    start: { x: 1, y: 1 },
    end: { x: 1, y: 1 },
  })
).to.be.true;

expect(
  bitmap.hasCollision({
    start: { x: 0, y: 0 },
    end: { x: 0, y: 0 },
  })
).to.be.false;

expect(
  bitmap.hasCollision({
    start: { x: 0, y: 0 },
    end: { x: 10, y: 10 },
  })
).to.be.true;