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LUDO python

Project description

LUDOpy

This is a implementation of the LUDO game in python for use in AI or whatever you want.

For normal use of ludopy only ludopy.Game should be needed.

PyPI version Documentation Status Python application

Installation

  • Recommended: Install ludopy from PyPI:
pip install ludopy
  • Alternatively: install ludopy from the GitHub source:

First, clone ludopy using git:

git clone https://github.com/SimonLBSoerensen/LUDOpy

Then, cd to the folder and run the install command:

cd LUDOpy
python setup.py install

Random "walk" example:

Open In Colab

import ludopy
import numpy as np

g = ludopy.Game()
there_is_a_winner = False

while not there_is_a_winner:
    (dice, move_pieces, player_pieces, enemy_pieces, player_is_a_winner, there_is_a_winner), player_i = g.get_observation()

    if len(move_pieces):
        piece_to_move = move_pieces[np.random.randint(0, len(move_pieces))]
    else:
        piece_to_move = -1

    _, _, _, _, _, there_is_a_winner = g.answer_observation(piece_to_move)

print("Saving history to numpy file")
g.save_hist(f"game_history.npy")
print("Saving game video")
g.save_hist_video(f"game_video.mp4")

The rules of the game:

The dice

A a six-sided dice is used. With it, you have to hit six to move a piece out of the starting area, while all other throws give the right to move a piece the number of fields the eyes show. Extra throws are given when hitting six (no limit to how many times in a row).

At the start

Players take turns alternating with the dice. At the stroke of 6, you have the right to throw a piece out on the board. If all the pieces are in the starting field, you have three attempts to beat a 6. Players turn in turn in a clockwise direction (player 1 to 4).

The course of the game

A 6's entitles you to an extra roll. The player moves the number of squares corresponding to the eyes of the dice. If you land in a field where there is already a piece, the first arrived piece must return to starting field. If, on the other hand, there are two pieces on the field, then the last to arrive has to return to the starting field. You have to move a piece (if there is one that can be moved), even if it means you have to back to start. If you cannot move forward, you must stand for the next turn.

Fields

On the playing board there are several special areas and fields.

  • The starting area is where the four pieces start. To take a piece out of the starting area, you have to hit a six. If you have all your pieces in the starting area, you get up to three strokes with the dice before the tour is passed.
  • The target area is where the four pieces should end and can get to the goal. Each player has their own target area, and no other player is allowed to take their pieces in there. To reach the end of the target area (the goal), it must hit precisely - otherwise you have to move your piece in the opposite direction by the amount you have leftover.
  • Globus fields protect the pieces from being knocked home. If an opponent's piece lands on a protected piece, it is hit home. However, there is an exception to the colored globe fields. For example, only red chips can be protected in the red globe field, regardless of the number of chips in the field. If you have two pieces standing on the opponent's colored globe, they can both be knocked home.
  • Star fields act as shortcuts that can bring the pieces faster to the target area. If a piece lands on a star, it must be moved to the next star. If it is the star in front of the target area that lands on, the chip is moved directly to the goal.

The winner

The one who first gets all 4 pieces in the goal is the winner. (But you choose if the game ends there or if the other players still has to fight) Goal are the center. When you have entered the colored fields you can not be hit home. The piece has to be move precisely into the goal otherwise the piece are struck back the exact number of eyes there are to many.

The rules are taken from this danish site: http://spilregler.dk/ludo/

The Board

The number inside a piece indicate how many pieces that are at the same tail

Example 1

The image show a example of the board

Example 2

The image show a example of the board

Example of the index method (shown for player 1)

Here the number indicate which index the piece are at

Example of the index method (shown for player 1)

Project details


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