Quick fx description

fx.js

effects = { // note that this is supposed to be ordered dict! (alternative, use list + name prop)
  sine: {
    init: function() {...},
    exec: function() {...},
  },
  gameOfLife: {
    init: function() {...},
    exec: function() {...},
    accumulate: true // defaults to false
  },
  wave: {
    init: function() {...},
    exec: function() {...},
  },
...
}