Merge branch 'main' into computer-algebra

projects/Snake Game/src/constants.py

@@ -0,0 +1,27 @@
+from enum import Enum
+from collections import namedtuple
+
+
+class RgbColors:
+    WHITE = (255, 255, 255)
+    RED = (200, 0, 0)
+    BLUE1 = (0, 0, 255)
+    BLUE2 = (0, 100, 255)
+    BLACK = (0, 0, 0)
+
+
+class GameSettings:
+    BLOCK_SIZE = 20
+    SPEED = 5
+    WIDTH = 640
+    HEIGHT = 480
+
+
+class Direction(Enum):
+    RIGHT = 1
+    LEFT = 2
+    UP = 3
+    DOWN = 4
+
+
+Point = namedtuple('Point', ['x', 'y'])

projects/Snake Game/src/display.py

@@ -0,0 +1,84 @@
+import pygame
+from constants import RgbColors, GameSettings
+
+
+class Display:
+    """Manages the display of the game."""
+    def __init__(self):
+        pygame.init()
+        self.width = GameSettings.WIDTH
+        self.height = GameSettings.HEIGHT
+        self.font = pygame.font.Font(None, 25)
+        self.window = pygame.display.set_mode((self.width, self.height))
+        pygame.display.set_caption("Snake")
+        self.clock = pygame.time.Clock()
+
+    def update_ui(self, snake, food, score, high_score):
+        """Updates the UI with the current game state.
+
+        Args:
+            snake (Snake): The snake object that contains the snake body (Snake.blocks).
+            food (Point): The food object to be displayed.
+            score (int): The current game score.
+            high_score: The highest score achieved so far.
+        """
+        self.window.fill(RgbColors.BLACK)
+        self.draw_snake(snake)
+        self.draw_food(food)
+        self.draw_score(score)
+        self.render_high_score(high_score)
+        pygame.display.flip()
+
+    def draw_snake(self, snake):
+        for block in snake.blocks:
+            pygame.draw.rect(
+                self.window, RgbColors.BLUE1,
+                pygame.Rect(block.x, block.y, GameSettings.BLOCK_SIZE, GameSettings.BLOCK_SIZE)
+            )
+            pygame.draw.rect(
+                self.window, RgbColors.BLUE2, pygame.Rect(block.x + 4, block.y + 4, 12, 12)
+            )
+
+    def draw_food(self, food):
+        pygame.draw.rect(
+            self.window,
+            RgbColors.RED,
+            pygame.Rect(food.x, food.y, GameSettings.BLOCK_SIZE, GameSettings.BLOCK_SIZE),
+        )
+
+    def draw_score(self, score):
+        self.font = pygame.font.Font(None, 25)
+        score_display = self.font.render(f"Score: {score}", True, RgbColors.WHITE)
+        self.window.blit(score_display, [0, 0])
+
+    def render_game_over(self):
+        self.font = pygame.font.Font(None, 48)
+        game_over_display = self.font.render("GAME OVER", True, RgbColors.WHITE)
+        text_width = game_over_display.get_width()
+        text_height = game_over_display.get_height()
+        text_x = (self.width - text_width) // 2
+        text_y = (self.height // 4) - (text_height // 2)
+        self.window.blit(game_over_display,
+                         [text_x, text_y])
+        pygame.display.flip()
+
+    def render_play_again(self):
+        self.font = pygame.font.Font(None, 32)
+        play_again_display = self.font.render("Play again? (Y/N)", True, RgbColors.WHITE)
+        display_box = play_again_display.get_rect(center=(self.width // 2, self.height // 2))
+        self.window.blit(play_again_display, display_box)
+        pygame.display.flip()
+
+    def render_high_score(self, high_score):
+        high_score_display = self.font.render(f"High Score: {high_score}", True, RgbColors.WHITE)
+        self.window.blit(high_score_display, [self.width - high_score_display.get_width(), 0])
+
+    def render_new_high_score(self, new_high_score):
+        new_high_score_display = self.font.render(f"New High Score: {new_high_score}", True, RgbColors.WHITE)
+        text_width = new_high_score_display.get_width()
+        text_height = new_high_score_display.get_height()
+        text_x = (self.width - text_width) // 2
+        text_y = (self.height // 3) - (text_height // 2)
+        self.window.blit(new_high_score_display,
+                         [text_x, text_y])
+        pygame.display.flip()