将粒子对分组为所有组合

function groupParticles(particles, currentGroup, result) {
  if (currentGroup.length === particles.length) {
    result.push(currentGroup.slice()); // 将当前组合添加到结果数组中
    return;
  }

  for (let i = 0; i < particles.length; i++) {
    const particle = particles[i];
    if (currentGroup.includes(particle)) {
      continue;
    }
    currentGroup.push(particle);
    groupParticles(particles, currentGroup, result);
    currentGroup.pop();
  }
}

function getAllCombinations(particles) {
  const result = [];
  groupParticles(particles, [], result);
  return result;
}

const particles = [1, 2, 3];
const combinations = getAllCombinations(particles);
console.log(combinations);

[
  [1, 2, 3],
  [1, 3, 2],
  [2, 1, 3],
  [2, 3, 1],
  [3, 1, 2],
  [3, 2, 1]
]