let foods = [];

let player = null;

​

function setup() {

  createCanvas(800, 800);

  for (i = 0; i < 5; i++) {

    generateFood();

  }

  player = new Player(400, 400, 15, "red");

}

​

function draw() {

  background(230);

  showFood();

  player.move();

  player.draw();

  player.collided();

}

​

function showFood() {

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

    rect(foods[i].x, foods[i].y, foods[i].size, foods[i].size);

  }

}

​

function generateFood() {

  let fd = new Food(floor(random(0, width)), floor(random(0, width)),10);

  foods.push(fd);

}

​

class Player {

  constructor(x, y, size, color) {

    this.x = x;

    this.y = y;

    this.size = size;

    this.color = color;

  }

​

  draw() {

    circle(this.x, this.y, this.size);

    fill(this.color);

  }

​

  move() {

    if (keyIsDown(LEFT_ARROW)) {

      this.x -= 5;

    }

​

    if (keyIsDown(RIGHT_ARROW)) {

      this.x += 5;

    }

​

    if (keyIsDown(UP_ARROW)) {

      this.y -= 5;

    }

​

    if (keyIsDown(DOWN_ARROW)) {

      this.y += 5;

    }

  }

  grow(){

    this.size = this.size + 3;

  }

  collided(){

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

      let d = dist(this.x,this.y, foods[i].x, foods[i].y);

      if(d < player.size + 10){

        foods.splice(i,1);

        player.grow();

        generateFood();

      }

    }

  }

}

​

class Food {

  constructor(x, y,size) {

    this.x = x;

    this.y = y;

    this.size = size;

  }

}

​