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Frustrating Tetris

An HTML5 Frustrating Tetris Game forked from https://github.com/jakesgordon/javascript-tetris

Added features:

  1. There is a probability that the current brick is dropped regardless of what the user action was. This probability increases as the pit gets filled up, so that the game is more likely to ignore your action when the game is at a critical stage.

  2. There is a probability that a random number (1--7) of IGNORE actions are added to the action queue, eating up as many keystrokes without rotating or moving the falling brick.

Both features only kick in once there are 8 or fewer empty rows at the top ofg the pit, and the probability that they appear increases as fewer rows are left empty. This would normally result in minor hints that there is something wrong as the game advances, with heightened frequency when players enter a critical phase with little space left.

Frustration Parameters

  • Player frustration is only active when so many or fewer empty rows: (l.86) frStart = 8

  • The probability to apply frustration (if active, as per above) is: (l. 455) screwPlayer = 1.0 / nEMPTY where nEMPTY is the number of empty rows If this kicks in, they two types are equally probable.

    In order to make one more likely, we need to :

    • Have different "screwPlayer" variables initialized in l. 94
    • Calculate differently in l. 455
    • Use different variable to activate each type of frustration in l. 225 (ignore) and l. 238 (drop to bottom)

  • If "dead key" is chosen, between 1 and 8 "ignores" are pushed into the action queue: (l. 229) n = Math.random(1, 8)
    Each ignore actions needs one keystroke to be shifted out, eating up the actual action.

  • If "drop to bottom" is chosen, the current brick will fall all the way to the bottom, regardless of what action was choses. No parameters here.

License

MIT license.