module DXOpal

Constants

P_CT

Like `Kernel.p`, but prints only limited times for each `key` This is useful for debugging your game without flooding the developer console.

Example:

p_ player_x: @player.x
p_({player_x: @player.x}, 20)

VERSION

Public Class Methods

dump_error(&block) click to toggle source

Call block and dump backtrace if an exception is raised. Nothing is shown if a tag with `id='dxopal-errors'` does not exist

# File lib/dxopal.rb, line 39
def self.dump_error(&block)
  block.call
rescue Exception => ex
  div = `document.getElementById('dxopal-errors')`
  if `div && !ex.DXOpalPrinted`
    %x{
      div.textContent = "ERROR: " + #{ex.class.name};
      var ul = document.createElement('ul');
      // Note: ex.backtrace may be an Array or a String
      #{Array(ex.backtrace)}.forEach(function(line){
        var li = document.createElement('li');
        li.textContent = line;
        ul.appendChild(li);
      });
      div.appendChild(ul);
      ex.DXOpalPrinted = true;
    }
  end
  raise ex
end

Public Instance Methods

p_(hash, n=10) click to toggle source

# File lib/dxopal.rb, line 68
def p_(hash, n=10)
  key = hash.keys.sort.join
  return if P_CT[key] >= n
  `console.log(#{hash.inspect})`
  P_CT[key] += 1
end