let platforms = [];

let platformSpeed = 1;

let score = 0;

let gameOver = false;

let right;

let left;

let charsize = 25;

​

​

​

class Character { 

  constructor(x, y) { //initializes the variables 

    this.x = x; 

    this.y = y;

    this.velocity = 0;  //the vertical movement of the character

    this.gravity = 0.5; //the speed at which it falls

    this.jump = -10; //the speed at which it jumps

    this.speed = 5;  //horizontal movement of character

  }

  display() {

    fill(0);

    ellipse(this.x, this.y, charsize);

  }

  jumpCharacter() {

    this.velocity = this.jump;

  }

  moveleft(){

    this.x -= this.speed;

    if (this.x < 0) {

      this.x = 0;

    }

  }

  moveright(){

    this.x+=this.speed;

    if (this.x > width) {

      this.x = width;

    }

  }

  moveCharacter(direction) {

    if (direction === "left") {

      this.x -= this.speed;

    } else if (direction === "right") {

      this.x += this.speed;

    }

  }

  update() {

    this.velocity += this.gravity; 

    this.y += this.velocity;

    if (this.x < 0) {

      this.x = 0;

    } else if (this.x > width) {

      this.x = width;

    }

    if (this.y > height - charsize/2) {

      this.y = height - charsize/2;

      this.velocity = 0;

    }

  }

  hits(platform) {

    return (this.y + charsize/2 > platform.y && this.y + charsize/2 < platform.y + platform.height &&

           this.x > platform.x && this.x < platform.x + platform.width);

  }

}

​

​

class Platform {

  constructor(x, y, width, height) {

    this.x = x;

    this.y = y;

    this.width = width;

    this.height = height;

  }

​

  display() {

    noStroke();

    fill(255);

    rect(this.x, this.y, this.width, this.height);

  }

  update() {

    this.y -= platformSpeed;

  }

}

​

function setup() {

  createCanvas(350, 500);

  character = new Character(width/2, height/2, charsize);

  platforms.push(new Platform(random(0, width-50), height, 100, 10));

​

​

​

}

​

function draw() {

  background(230);

​

  if (!gameOver) {

    for(let y = 0 ; y<platforms.length ;y++){

      if (character.hits(platforms[y])) {

        console.log("hit", y);

        character.jumpCharacter();

        score += 1;

      }

    }

​

    if(keyIsDown(LEFT_ARROW)){

      character.moveleft();

    }

    else if (keyIsDown(RIGHT_ARROW)){

      character.moveright();

    }

    character.display();

    character.update();

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

      platforms[i].display();

      platforms[i].update();

      if (character.hits(platforms[i])) {

        //console.log("hit", i);

        character.jumpCharacter();

        score += 1;

      }

      if (platforms[i].y <= 0) {

        platforms.splice(i, 1);

      }

    }

    if (frameCount % 60 == 0) {

      platforms.push(new Platform(random(0, width-50), height, 100, 10));

​

    }

    if (character.y > height) {

      gameOver = true;

    }

​

    platformSpeed += 0.0001;

    textSize(32);

    text("Score: " + score, 10, 30);

  } else {

    textSize(32);

    text("Game Over! Final Score: " + score, width/2 - 160, height/2);

  }

}

​

​

​