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QuestionWhen pressing right and left keys object not moving in javascript game. Pin
Member 1396097131-Aug-18 12:10
MemberMember 1396097131-Aug-18 12:10 
Hey everyone, today I was making a javascript space invaders game and stumbled upon a problem. When pressing on the right and left keys the ship does not move. I hope somebody can help and thank you in advance Big Grin | :-D

Below is my code

function startGame(){
  function movePlayer(event){
      moveInterval = setInterval(function(){player.move(event);}, 50);
      player.moving = true;
  function stopPlayer(event){
    player.moving = false;
  var gamearea = {
    canvas: document.createElement("canvas"),
    start: function(){
      this.canvas.width = 1100;
      this.canvas.height = 600; = "3px solid gray"; = "block"; = "auto";
      document.body.insertBefore(this.canvas, document.body.childNodes[0]);
      window.addEventListener("keydown", movePlayer, event);
      window.addEventListener("keydown", stopPlayer, event);
  var player={
    x:40, y:580, moving:false,
      gamearea.context.fillRect(this.x+60, this.y, 80, 20);
      gamearea.context.fillRect(this.x+95, this.y-20, 10, 20);
    update: function(d){
    move: function(ev){
      gamearea.context.clearRect(this.x, this.y, 80, 20);
      gamearea.context.clearRect(this.x+35, this.y-20, 10, 20);
      if(ev.keycode== 37 && this.x>0) this.update(-15);
      else if(ev.keycode == 39 && this+80<1100) this.update(15);

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