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  1. Game.roundPos = function(pos) {
  2.   new_pos = {x: Math.round(pos.x), y: Math.round(pos.y)};
  3.   return new_pos;
  4. }
  5.  
  6. this.getNextPosition = function(dir, dt) {
  7.    var next = {x: this.position.x, y: this.position.y};
  8.    if(dir == Game.Direction.Left) {
  9.       next.x = next.x - dt;
  10.       next.y = Math.round(next.y);
  11.    } else if(dir == Game.Direction.Right) {
  12.       next.x = next.x + dt;
  13.       next.y = Math.round(next.y);
  14.    } if(dir == Game.Direction.Up) {
  15.       next.y = next.y - dt;
  16.       next.x = Math.round(next.x);
  17.    } if(dir == Game.Direction.Down) {
  18.       next.y = next.y + dt;
  19.       next.x = Math.round(next.x);
  20.    }
  21.    return next;
  22. }
  23.  
  24. this.update = function(dt) {
  25.    if(this.direction === null) return;
  26.  
  27.    var world = this.world;
  28.    var next = this.getNextPosition(this.direction, dt);
  29.    var pos = Game.roundPos(next);
  30.  
  31.    if(!world.isWall(pos.x, pos.y)  && !world.isBase(pos.x, pos.y)) {
  32.      this.position = next;
  33.    } else {
  34.      this.direction = null;
  35.    }
  36.  
  37.    // rest of the code... not important for this problem.
  38.  
  39. }
Runtime error #stdin #stdout #stderr 0.41s 381888KB
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Standard input is empty
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Standard output is empty
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js: uncaught JavaScript runtime exception: ReferenceError: "Game" is not defined.
https://ideone.com/SRIymz
language:
JavaScript (rhino 1.7.9)
created:
9 years ago
visibility:
secret

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