test_2

let engine;

let world;

let ground;

let polygons = [];

let str_n = 0;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

​

  engine = Matter.Engine.create();

  world = engine.world;

  engine.world.gravity.scale = 0.002;

​

  let groundOptions = {

    isStatic: true,

  };

  ground = Matter.Bodies.rectangle(

    width / 2,

    height - 10,

    width,

    20,

    groundOptions

  );

  Matter.World.add(world, ground);

}

​

function draw() {

  background(20);

​

  if (frameCount % 15 == 0) mousePressed(width / 2, 50);

​

  Matter.Engine.update(engine);

​

  fill(170);

  noStroke();

  rectMode(CENTER);

  rect(ground.position.x, ground.position.y, width, 20);

​

  for (let i = polygons.length - 1; i >= 0; i--) {

    let polygon = polygons[i];

​

    push();

    translate(polygon.position.x, polygon.position.y);

    rotate(polygon.angle);

    // circle(0, 0, polygon.radius * 2);

    textAlign(CENTER, CENTER);

    fill(255);

    noStroke();

    textFont("serif");

    textSize(polygon.radius * 2);

    text(polygon.string, 0, 0);

    pop();

​

    if (polygon.position.y > height + 100) {

      Matter.World.remove(world, polygon);

      polygons.splice(i, 1);

    }

  }

}

​

function mousePressed(x = mouseX, y = mouseY) {

  let words = str.split(' '); // 将字符串按空格分割成单词数组

  let wordIndex = int(random(words.length)); // 随机选择一个单词的索引

  let word = words[wordIndex]; // 获取随机选中的单词

​

  // 以下是原始代码的其余部分，其中str已经被替换为word

  let sides = int(random(3, 8));

  let radius = random(20, 50);

  let angle = (random(TWO_PI) / 180) * (random() > 0.5 ? -1 : 1);

  let options = {

    restitution: 0.1,

  };

  let polygon = Matter.Bodies.circle(x, y, radius, options);

  polygon.angle = angle;

  polygon.string = word; // 使用选中的单词而不是单个字符

  polygon.radius = radius;

​

  Matter.World.add(world, polygon);

  polygons.push(polygon);

}

​

let str ="人工 智能 是 需要 可能 真的 吗"

​