Online HTML, CSS and JS Code Editor (Sandbox)

HTML

<!DOCTYPE HTML>
<!DOCTYPE HTML>
<html lang="en-US">
<head>
  <title>Jump</title>
</head>
<body>
  <div class="container">
    <canvas id="canvas">
      Aww, your browser doesn't support HTML5!
    </canvas>
 
    <div id="mainMenu">
      <h1>doodle jump</h1>
      <h3>using HTML5,</h3>
      <h3>...by <a href="http://twitter.com/solitarydesigns/" target="_blank">Kushagra Agarwal</a></h3>
      <h3>and <a href="http://cssdeck.com" target="_blank">CSSDeck</a></h3>
 
      <p class="info">
        use
        <span class="key left">←</span>
        <span class="key right">→</span>
        to move and space to (re) start...
      </p>
      <a class="button" href="javascript:init()">Play</a>
    </div>
    
    <div id="gameOverMenu">
      <h1>game over!</h1>
      <h3 id="go_score">you scored 0 points</h3>
 
      <a class="button" href="javascript:reset()">Restart</a>
      <a id="tweetBtn" target="_blank" class="button tweet" href="#">Tweet score</a>
 
      <a id="fbBtn" target="_blank" class="button fb" href="#">Post on FB</a>
    </div>
    
    
    <!-- Preloading image ;) -->
    <img id="sprite" src="http://i.imgur.com/2WEhF.png"/>
 
    <div id="scoreBoard">
      <p id="score">0</p>
    </div>
 
  </div>
</body>
</html> 
 
 

CSS

@import url(http://fonts.googleapis.com/css?family=Gloria+Hallelujah);
@import url(http://fonts.googleapis.com/css?family=Gloria+Hallelujah);
 
*{box-sizing: border-box;}
 
body {
  margin: 0; padding: 0;
  font-family: 'Gloria Hallelujah', cursive;
}
 
.container {
  height: 552px;
  width: 422px;
  position: relative;
  margin: 20px auto; 
  overflow: hidden;
}
 
canvas {
  height: 552px;
  width: 422px;
  display: block;
  background: url(http://i.imgur.com/Y0BMP.png) top left;
}
 
#scoreBoard {
  width: 420px;
  height: 50px;
  background: rgba(182, 200, 220, 0.7);
  position: absolute;
  top: -3px;
  left: 0;
  z-index: -1;  
  border-image: url(http://i.imgur.com/5BBsR.png) 100 5 round;
}
 
#scoreBoard p {
  font-size: 20px;
  padding: 0;
  line-height: 47px;
  margin: 0px 0 0 5px;
}
 
img {display: none}
 
#mainMenu, #gameOverMenu {
  height: 100%;
  width: 100%;
  text-align: center;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
}
 
#gameOverMenu {
  visibility: hidden;
}
 
h2, h3, h1 {font-weight: normal}
h1 {
  font-size: 60px; 
  color: #5a5816; 
  transform: rotate(-10deg);
  margin: 0px;
}
 
h3 {text-align: right; margin: -10px 20px 0 0; color: #5e96be}
h3 a {color: #5a5816}
 
.button {
  width: 105px;
  height: 31px;
  background: url(http://i.imgur.com/2WEhF.png) 0 0 no-repeat;
  display: block;
  color:  #000;
  font-size: 12px;
  line-height: 31px;
  text-decoration: none;
  position: absolute;
  left: 50%;
  bottom: 50px;
  margin-left: -53px;
}
 
.button.tweet {bottom: 100px; background-position: 0 -90px}
.button.fb {bottom: 150px; background-position: 0 -60px}
 
.info {position: absolute; right: 20px; bottom: 00px; margin: 0; color: green}
 
.info .key {
  width: 16px;
  height: 16px;
  background: url(http://i.imgur.com/2WEhF.png) no-repeat;
  text-indent: -9999px;
  display: inline-block;
}
 
.info .key.left {background-position: -92px -621px;}
.info .key.right {background-position: -92px -641px;}
 
 
 

JavaScript

// RequestAnimFrame: a browser API for getting smooth animations
// RequestAnimFrame: a browser API for getting smooth animations
window.requestAnimFrame = (function() {
  return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame ||
  function(callback) {
    window.setTimeout(callback, 1000 / 60);
  };
})();
 
var canvas = document.getElementById('canvas'),
  ctx = canvas.getContext('2d');
 
var width = 422,
  height = 552;
 
canvas.width = width;
canvas.height = height;
 
//Variables for game
var platforms = [],
  image = document.getElementById("sprite"),
  player, platformCount = 10,
  position = 0,
  gravity = 0.2,
  animloop,
  flag = 0,
  menuloop, broken = 0,
  dir, score = 0, firstRun = true;
 
//Base object
var Base = function() {
  this.height = 5;
  this.width = width;
 
  //Sprite clipping
  this.cx = 0;
  this.cy = 614;
  this.cwidth = 100;
  this.cheight = 5;
 
  this.moved = 0;
 
  this.x = 0;
  this.y = height - this.height;
 
  this.draw = function() {
    try {
      ctx.drawImage(image, this.cx, this.cy, this.cwidth, this.cheight, this.x, this.y, this.width, this.height);
    } catch (e) {}
  };
};
 
var base = new Base();
 
//Player object
var Player = function() {
  this.vy = 11;
  this.vx = 0;
 
  this.isMovingLeft = false;
  this.isMovingRight = false;
  this.isDead = false;
 
  this.width = 55;
  this.height = 40;
 
  //Sprite clipping
  this.cx = 0;
  this.cy = 0;
  this.cwidth = 110;
  this.cheight = 80;
 
  this.dir = "left";
 
  this.x = width / 2 - this.width / 2;
  this.y = height;
 
  //Function to draw it
  this.draw = function() {
    try {
      if (this.dir == "right") this.cy = 121;
      else if (this.dir == "left") this.cy = 201;
      else if (this.dir == "right_land") this.cy = 289;
      else if (this.dir == "left_land") this.cy = 371;
 
      ctx.drawImage(image, this.cx, this.cy, this.cwidth, this.cheight, this.x, this.y, this.width, this.height);
    } catch (e) {}
  };
 
  this.jump = function() {
    this.vy = -8;
  };
 
  this.jumpHigh = function() {
    this.vy = -16;
  };
 
};
 
player = new Player();
 
//Platform class
 
function Platform() {
  this.width = 70;
  this.height = 17;
 
  this.x = Math.random() * (width - this.width);
  this.y = position;
 
  position += (height / platformCount);
 
  this.flag = 0;
  this.state = 0;
 
  //Sprite clipping
  this.cx = 0;
  this.cy = 0;
  this.cwidth = 105;
  this.cheight = 31;
 
  //Function to draw it
  this.draw = function() {
    try {
 
      if (this.type == 1) this.cy = 0;
      else if (this.type == 2) this.cy = 61;
      else if (this.type == 3 && this.flag === 0) this.cy = 31;
      else if (this.type == 3 && this.flag == 1) this.cy = 1000;
      else if (this.type == 4 && this.state === 0) this.cy = 90;
      else if (this.type == 4 && this.state == 1) this.cy = 1000;
 
      ctx.drawImage(image, this.cx, this.cy, this.cwidth, this.cheight, this.x, this.y, this.width, this.height);
    } catch (e) {}
  };
 
  //Platform types
  //1: Normal
  //2: Moving
  //3: Breakable (Go through)
  //4: Vanishable 
  //Setting the probability of which type of platforms should be shown at what score
  if (score >= 5000) this.types = [2, 3, 3, 3, 4, 4, 4, 4];
  else if (score >= 2000 && score < 5000) this.types = [2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4];
  else if (score >= 1000 && score < 2000) this.types = [2, 2, 2, 3, 3, 3, 3, 3];
  else if (score >= 500 && score < 1000) this.types = [1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3];
  else if (score >= 100 && score < 500) this.types = [1, 1, 1, 1, 2, 2];
  else this.types = [1];
 
  this.type = this.types[Math.floor(Math.random() * this.types.length)];
 
  //We can't have two consecutive breakable platforms otherwise it will be impossible to reach another platform sometimes!
  if (this.type == 3 && broken < 1) {
    broken++;
  } else if (this.type == 3 && broken >= 1) {
    this.type = 1;
    broken = 0;
  }
 
  this.moved = 0;
  this.vx = 1;
}
 
for (var i = 0; i < platformCount; i++) {
  platforms.push(new Platform());
}
 
//Broken platform object
var Platform_broken_substitute = function() {
  this.height = 30;
  this.width = 70;
 
  this.x = 0;
  this.y = 0;
 
  //Sprite clipping
  this.cx = 0;
  this.cy = 554;
  this.cwidth = 105;
  this.cheight = 60;
 
  this.appearance = false;
 
  this.draw = function() {
    try {
      if (this.appearance === true) ctx.drawImage(image, this.cx, this.cy, this.cwidth, this.cheight, this.x, this.y, this.width, this.height);
      else return;
    } catch (e) {}
  };
};
 
var platform_broken_substitute = new Platform_broken_substitute();
 
//Spring Class
var spring = function() {
  this.x = 0;
  this.y = 0;
 
  this.width = 26;
  this.height = 30;
 
  //Sprite clipping
  this.cx = 0;
  this.cy = 0;
  this.cwidth = 45;
  this.cheight = 53;
 
  this.state = 0;
 
  this.draw = function() {
    try {
      if (this.state === 0) this.cy = 445;
      else if (this.state == 1) this.cy = 501;
 
      ctx.drawImage(image, this.cx, this.cy, this.cwidth, this.cheight, this.x, this.y, this.width, this.height);
    } catch (e) {}
  };
};
 
var Spring = new spring();
 
function init() {
  //Variables for the game
  var dir = "left",
    jumpCount = 0;
  
  firstRun = false;
 
  //Function for clearing canvas in each consecutive frame
 
  function paintCanvas() {
    ctx.clearRect(0, 0, width, height);
  }
 
  //Player related calculations and functions
 
  function playerCalc() {
    if (dir == "left") {
      player.dir = "left";
      if (player.vy < -7 && player.vy > -15) player.dir = "left_land";
    } else if (dir == "right") {
      player.dir = "right";
      if (player.vy < -7 && player.vy > -15) player.dir = "right_land";
    }
 
    //Adding keyboard controls
    document.onkeydown = function(e) {
      var key = e.keyCode;
      
      if (key == 37) {
        dir = "left";
        player.isMovingLeft = true;
      } else if (key == 39) {
        dir = "right";
        player.isMovingRight = true;
      }
      
      if(key == 32) {
        if(firstRun === true)
          init();
        else 
          reset();
      }
    };
 
    document.onkeyup = function(e) {
      var key = e.keyCode;
    
      if (key == 37) {
        dir = "left";
        player.isMovingLeft = false;
      } else if (key == 39) {
        dir = "right";
        player.isMovingRight = false;
      }
    };
 
    //Accelerations produces when the user hold the keys
    if (player.isMovingLeft === true) {
      player.x += player.vx;
      player.vx -= 0.15;
    } else {
      player.x += player.vx;
      if (player.vx < 0) player.vx += 0.1;
    }
 
    if (player.isMovingRight === true) {
      player.x += player.vx;
      player.vx += 0.15;
    } else {
      player.x += player.vx;
      if (player.vx > 0) player.vx -= 0.1;
    }
 
    //Jump the player when it hits the base
    if ((player.y + player.height) > base.y && base.y < height) player.jump();
 
    //Gameover if it hits the bottom 
    if (base.y > height && (player.y + player.height) > height && player.isDead != "lol") player.isDead = true;
 
    //Make the player move through walls
    if (player.x > width) player.x = 0 - player.width;
    else if (player.x < 0 - player.width) player.x = width;
 
    //Movement of player affected by gravity
    if (player.y >= (height / 2) - (player.height / 2)) {
      player.y += player.vy;
      player.vy += gravity;
    }
 
    //When the player reaches half height, move the platforms to create the illusion of scrolling and recreate the platforms that are out of viewport...
    else {
      platforms.forEach(function(p, i) {
 
        if (player.vy < 0) {
          p.y -= player.vy;
        }
 
        if (p.y > height) {
          platforms[i] = new Platform();
          platforms[i].y = p.y - height;
        }
 
      });
 
      base.y -= player.vy;
      player.vy += gravity;
 
      if (player.vy >= 0) {
        player.y += player.vy;
        player.vy += gravity;
      }
 
      score++;
    }
 
    //Make the player jump when it collides with platforms
    collides();
 
    if (player.isDead === true) gameOver();
  }
 
  //Spring algorithms
 
  function springCalc() {
    var s = Spring;
    var p = platforms[0];
 
    if (p.type == 1 || p.type == 2) {
      s.x = p.x + p.width / 2 - s.width / 2;
      s.y = p.y - p.height - 10;
 
      if (s.y > height / 1.1) s.state = 0;
 
      s.draw();
    } else {
      s.x = 0 - s.width;
      s.y = 0 - s.height;
    }
  }
 
  //Platform's horizontal movement (and falling) algo
 
  function platformCalc() {
    var subs = platform_broken_substitute;
 
    platforms.forEach(function(p, i) {
      if (p.type == 2) {
        if (p.x < 0 || p.x + p.width > width) p.vx *= -1;
 
        p.x += p.vx;
      }
 
      if (p.flag == 1 && subs.appearance === false && jumpCount === 0) {
        subs.x = p.x;
        subs.y = p.y;
        subs.appearance = true;
 
        jumpCount++;
      }
 
      p.draw();
    });
 
    if (subs.appearance === true) {
      subs.draw();
      subs.y += 8;
    }
 
    if (subs.y > height) subs.appearance = false;
  }
 
  function collides() {
    //Platforms
    platforms.forEach(function(p, i) {
      if (player.vy > 0 && p.state === 0 && (player.x + 15 < p.x + p.width) && (player.x + player.width - 15 > p.x) && (player.y + player.height > p.y) && (player.y + player.height < p.y + p.height)) {
 
        if (p.type == 3 && p.flag === 0) {
          p.flag = 1;
          jumpCount = 0;
          return;
        } else if (p.type == 4 && p.state === 0) {
          player.jump();
          p.state = 1;
        } else if (p.flag == 1) return;
        else {
          player.jump();
        }
      }
    });
 
    //Springs
    var s = Spring;
    if (player.vy > 0 && (s.state === 0) && (player.x + 15 < s.x + s.width) && (player.x + player.width - 15 > s.x) && (player.y + player.height > s.y) && (player.y + player.height < s.y + s.height)) {
      s.state = 1;
      player.jumpHigh();
    }
 
  }
 
  function updateScore() {
    var scoreText = document.getElementById("score");
    scoreText.innerHTML = score;
  }
 
  function gameOver() {
    platforms.forEach(function(p, i) {
      p.y -= 12;
    });
 
    if(player.y > height/2 && flag === 0) {
      player.y -= 8;
      player.vy = 0;
    } 
    else if(player.y < height / 2) flag = 1;
    else if(player.y + player.height > height) {
      showGoMenu();
      hideScore();
      player.isDead = "lol";
 
      var tweet = document.getElementById("tweetBtn");
      tweet.href='http://twitter.com/share?url=http://is.gd/PnFFzu&text=I just scored ' +score+ ' points in the HTML5 Doodle Jump game!&count=horiztonal&via=cssdeck&related=solitarydesigns';
    
      var facebook = document.getElementById("fbBtn");
      facebook.href='http://facebook.com/sharer.php?s=100&p[url]=http://cssdeck.com/labs/html5-doodle-jump/8&p[title]=I just scored ' +score+ ' points in the HTML5 Doodle Jump game!&p[summary]=Can you beat me in this awesome recreation of Doodle Jump created in HTML5?';
 
    }
  }
 
  //Function to update everything
 
  function update() {
    paintCanvas();
    platformCalc();
 
    springCalc();
 
    playerCalc();
    player.draw();
 
    base.draw();
 
    updateScore();
  }
 
  menuLoop = function(){return;};
  animloop = function() {
    update();
    requestAnimFrame(animloop);
  };
 
  animloop();
 
  hideMenu();
  showScore();
}
 
function reset() {
  hideGoMenu();
  showScore();
  player.isDead = false;
  
  flag = 0;
  position = 0;
  score = 0;
 
  base = new Base();
  player = new Player();
  Spring = new spring();
  platform_broken_substitute = new Platform_broken_substitute();
 
  platforms = [];
  for (var i = 0; i < platformCount; i++) {
    platforms.push(new Platform());
  }
}
 
//Hides the menu
function hideMenu() {
  var menu = document.getElementById("mainMenu");
  menu.style.zIndex = -1;
}
 
//Shows the game over menu
function showGoMenu() {
  var menu = document.getElementById("gameOverMenu");
  menu.style.zIndex = 1;
  menu.style.visibility = "visible";
 
  var scoreText = document.getElementById("go_score");
  scoreText.innerHTML = "You scored " + score + " points!";
}
 
//Hides the game over menu
function hideGoMenu() {
  var menu = document.getElementById("gameOverMenu");
  menu.style.zIndex = -1;
  menu.style.visibility = "hidden";
}
 
//Show ScoreBoard
function showScore() {
  var menu = document.getElementById("scoreBoard");
  menu.style.zIndex = 1;
}
 
//Hide ScoreBoard
function hideScore() {
  var menu = document.getElementById("scoreBoard");
  menu.style.zIndex = -1;
}
 
function playerJump() {
  player.y += player.vy;
  player.vy += gravity;
 
  if (player.vy > 0 && 
    (player.x + 15 < 260) && 
    (player.x + player.width - 15 > 155) && 
    (player.y + player.height > 475) && 
    (player.y + player.height < 500))
    player.jump();
 
  if (dir == "left") {
    player.dir = "left";
    if (player.vy < -7 && player.vy > -15) player.dir = "left_land";
  } else if (dir == "right") {
    player.dir = "right";
    if (player.vy < -7 && player.vy > -15) player.dir = "right_land";
  }
 
  //Adding keyboard controls
  document.onkeydown = function(e) {
    var key = e.keyCode;
 
    if (key == 37) {
      dir = "left";
      player.isMovingLeft = true;
    } else if (key == 39) {
      dir = "right";
      player.isMovingRight = true;
    }
  
    if(key == 32) {
      if(firstRun === true) {
        init();
        firstRun = false;
      }
      else 
        reset();
    }
  };
 
  document.onkeyup = function(e) {
    var key = e.keyCode;
 
    if (key == 37) {
      dir = "left";
      player.isMovingLeft = false;
    } else if (key == 39) {
      dir = "right";
      player.isMovingRight = false;
    }
  };
 
  //Accelerations produces when the user hold the keys
  if (player.isMovingLeft === true) {
    player.x += player.vx;
    player.vx -= 0.15;
  } else {
    player.x += player.vx;
    if (player.vx < 0) player.vx += 0.1;
  }
 
  if (player.isMovingRight === true) {
    player.x += player.vx;
    player.vx += 0.15;
  } else {
    player.x += player.vx;
    if (player.vx > 0) player.vx -= 0.1;
  }
 
  //Jump the player when it hits the base
  if ((player.y + player.height) > base.y && base.y < height) player.jump();
 
  //Make the player move through walls
  if (player.x > width) player.x = 0 - player.width;
  else if (player.x < 0 - player.width) player.x = width;
 
  player.draw();
}
 
function update() {
  ctx.clearRect(0, 0, width, height);
  playerJump();
}   
 
menuLoop = function() {
  update();
  requestAnimFrame(menuLoop);
};
 
menuLoop();
 
 

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