add ConsoleSnake project

Author: tomimara52

ConsoleSnake/.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/

ConsoleSnake/LICENSE

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+MIT License
+
+Copyright (c) 2021 tomimara52
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

ConsoleSnake/README.md

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+# ConsoleSnake
+ Snake game in your windows, linux or macOS console

ConsoleSnake/getch.py

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+'''
+A Python class implementing KBHIT, the standard keyboard-interrupt poller.
+Works transparently on Windows and Posix (Linux, Mac OS X).  Doesn't work
+with IDLE.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+'''
+
+import os
+
+# Windows
+if os.name == 'nt':
+    import msvcrt
+
+# Posix (Linux, OS X)
+else:
+    import sys
+    import termios
+    import atexit
+    from select import select
+
+
+class KBHit:
+
+    def __init__(self):
+        '''Creates a KBHit object that you can call to do various keyboard things.
+        '''
+
+        if os.name == 'nt':
+            pass
+
+        else:
+
+            # Save the terminal settings
+            self.fd = sys.stdin.fileno()
+            self.new_term = termios.tcgetattr(self.fd)
+            self.old_term = termios.tcgetattr(self.fd)
+
+            # New terminal setting unbuffered
+            self.new_term[3] = (self.new_term[3] & ~termios.ICANON & ~termios.ECHO)
+            termios.tcsetattr(self.fd, termios.TCSAFLUSH, self.new_term)
+
+            # Support normal-terminal reset at exit
+            atexit.register(self.set_normal_term)
+
+
+    def set_normal_term(self):
+        ''' Resets to normal terminal.  On Windows this is a no-op.
+        '''
+
+        if os.name == 'nt':
+            pass
+
+        else:
+            termios.tcsetattr(self.fd, termios.TCSAFLUSH, self.old_term)
+
+
+    def getch(self):
+        ''' Returns a keyboard character after kbhit() has been called.
+            Should not be called in the same program as getarrow().
+        '''
+
+        s = ''
+
+        if os.name == 'nt':
+            try:
+                return msvcrt.getch().decode('utf-8')
+            except UnicodeDecodeError:
+                return ' '
+
+        else:
+            return sys.stdin.read(1)
+
+
+    def getarrow(self):
+        ''' Returns an arrow-key code after kbhit() has been called. Codes are
+        0 : up
+        1 : right
+        2 : down
+        3 : left
+        Should not be called in the same program as getch().
+        '''
+
+        if os.name == 'nt':
+            msvcrt.getch() # skip 0xE0
+            c = msvcrt.getch()
+            vals = [72, 77, 80, 75]
+
+        else:
+            c = sys.stdin.read(3)[2]
+            vals = [65, 67, 66, 68]
+
+        return vals.index(ord(c.decode('utf-8')))
+
+
+    def kbhit(self):
+        ''' Returns True if keyboard character was hit, False otherwise.
+        '''
+        if os.name == 'nt':
+            return msvcrt.kbhit()
+
+        else:
+            dr,dw,de = select([sys.stdin], [], [], 0)
+            return dr != []
+
+
+if __name__ == "__main__":
+
+    kb = KBHit()
+
+    print('Hit any key, or ESC to exit')
+    x=1
+    while True:
+        x+=1
+        #print (x)
+        if kb.kbhit():
+            c = kb.getch()
+            if ord(c) == 27: # ESC
+                break
+            print(c)
+
+    kb.set_normal_term()

ConsoleSnake/main.py

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+# -*- coding: UTF-8 -*-
+import time
+import os
+from random import randint
+from getch import KBHit
+
+
+class Snake:
+
+    def __init__(self, x, y):
+        self.parts = [[1, 1]]
+        self.length = 1
+        self.dir = 'd'
+        self.skins = ['O']
+        self.fruit = [randint(2, x), randint(2, y)]
+        self.size = [x, y]
+        self.print_in_coords()
+
+    def get_opposites(self):
+        return {"w": "s", "s": "w", "d": "a", "a":"d"}
+
+    def set_skins(self):
+        """
+        This iterates each snake part, and based where the adjacent ones are,
+        it gives it a skin between the following: │ ─ └ ┐ ┌ ┘
+
+        """
+        skins = ['O']
+        coords_subtraction = lambda a, b: [x1 - x2 for (x1, x2) in zip(a, b)]
+        for i in range(1, len(self.parts)):
+            if i == len(self.parts)-1:
+                a = self.parts[-2]
+                b = self.parts[-1]
+            else:
+                b = self.parts[i+1]
+                a = self.parts[i-1]
+            diff = coords_subtraction(a, b)
+            if diff[0] == 0:
+                skins.append('│')
+            elif diff[1] == 0:
+                skins.append('─')
+            else:
+                a = self.parts[i-1]
+                b = self.parts[i]
+                diff2 = coords_subtraction(a, b)
+                if sum(diff) == 0:
+                    if sum(diff2) == 1:
+                        skins.append('└')
+                    else:
+                        skins.append('┐')
+                else:
+                    if diff2[1] == -1 or diff2[0] == 1:
+                        skins.append('┌')
+                    else:
+                        skins.append('┘')
+
+            self.skins = skins
+
+    def print_in_coords(self):
+        """
+        Prints the field of game with '·',
+        prints the snake body parts,
+        prints the fruit ('X')
+        """
+        coords = self.parts
+        os.system('cls' if os.name == 'nt' else 'clear')
+        for i in range(self.size[1], 0, -1):
+            for j in range(1, self.size[0]+1):
+                if [j, i] in coords:
+                    print(self.skins[coords.index([j, i])], end=' ')
+                elif [j, i] == self.fruit:
+                    print('X', end=' ')
+                else:
+                    print('·', end=' ')
+            print('')
+
+    def update_coors(self):
+        """
+        Makes every part of the snake move to where the following was,
+        except the head, that moves to the direction the user input
+        """
+
+        for i in range(len(self.parts)-1, 0, -1):
+            self.parts[i] = self.parts[i-1][:]
+
+        if self.dir == 'w':
+            self.parts[0][1] += 1
+        elif self.dir == 'd':
+            self.parts[0][0] += 1
+        elif self.dir == 's':
+            self.parts[0][1] -= 1
+        elif self.dir == 'a':
+            self.parts[0][0] -= 1
+
+    def check_fruit(self):
+        """
+        Checks if the snake's head is in the same place as the fruit,
+        if so, the snake grows and another fruit is spawned
+        """
+        if self.parts[0] == self.fruit:
+            self.grow()
+            self.generate_fruit()
+
+    def alive(self):
+        """
+        Check if the head hit a body part or has crossed the limits
+        """
+        head = self.parts[0]
+        if (head in self.parts[1:]) or (not(0 < head[0] <= self.size[0])) or (not(0 < head[1] <= self.size[1])):
+            return False
+        return True
+
+    def get_action(self, character):
+        if (character in 'wasd') and (self.get_opposites()[character] != self.dir or len(self.parts) == 1):
+            self.dir = character
+        self.update_coors()
+        self.check_fruit()
+        self.set_skins()
+        self.print_in_coords()
+        return self.alive()
+
+    def generate_fruit(self):
+        new_coords = [randint(1,self.size[0]), randint(1,self.size[1])]
+        if new_coords in self.parts:
+            self.generate_fruit()
+        else:
+            self.fruit = new_coords
+
+    def grow(self):
+        if len(self.parts) > 1:
+            last = self.parts[-1]
+            sec_last = self.parts[-2]
+            diff = [x1 - x2 for (x1, x2) in zip(sec_last, last)]
+            if diff[0] == 0:
+                if diff[1] > 0:
+                    self.parts.append([last[0], last[1]-1])
+                else:
+                    self.parts.append([last[0], last[1]+1])
+            elif diff[0] > 0:
+                self.parts.append([last[0]-1, last[1]])
+            else:
+                self.parts.append([last[0]+1, last[1]])
+        else:
+            head = self.parts[0]
+            if self.dir == 'w':
+                self.parts.append([head[0], head[1]-1])
+            elif self.dir == 'd':
+                self.parts.append([head[0]-1, head[1]])
+            elif self.dir == 's':
+                self.parts.append([head[0], head[1]+1])
+            elif self.dir == 'a':
+                self.parts.append([head[0]+1, head[1]])
+        self.length += 1
+
+
+def main():
+    snake = Snake(15, 10)   # This means the game field is 15x10
+    update_time = .125      # This is how much time there is between updates, 1/update_time = fps
+    keep_playing = True
+    kb = KBHit()
+    while keep_playing:
+        t = 0
+        key_stroke = ' '
+        while t < update_time:
+            start = time.time()
+            if kb.kbhit():
+                key_stroke = kb.getch()
+            end = time.time()
+            t += end - start
+
+        keep_playing = snake.get_action(key_stroke)
+        if snake.size[0] * snake.size[1] <= snake.length:
+            print('You win!')
+            break
+    kb.set_normal_term()
+    print('Score:', snake.length)
+    while True:
+        again = input('Keep playing? (y/n) ')
+        if again.lower() == 'y':
+            main()
+            break
+        elif again.lower() == 'n':
+            print('Bye')
+            break
+        else:
+            print('Input a valid answer')
+
+if __name__ == "__main__":
+    main()