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scripts/Brick-Breaker-Python/README.md

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+# Brick-Breaker-Python

scripts/Brick-Breaker-Python/main.py

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+import pygame
+import math
+
+pygame.init()
+
+WIDTH, HEIGHT = 800, 600
+win = pygame.display.set_mode((WIDTH, HEIGHT))
+pygame.display.set_caption("Brick Breaker")
+
+FPS = 60
+PADDLE_WIDTH = 100
+PADDLE_HEIGHT = 15
+BALL_RADIUS = 10
+
+LIVES_FONT = pygame.font.SysFont("comicsans", 40)
+
+
+class Paddle:
+    VEL = 5
+
+    def __init__(self, x, y, width, height, color):
+        self.x = x
+        self.y = y
+        self.width = width
+        self.height = height
+        self.color = color
+
+    def draw(self, win):
+        pygame.draw.rect(
+            win, self.color, (self.x, self.y, self.width, self.height))
+
+    def move(self, direction=1):
+        self.x = self.x + self.VEL * direction
+
+
+class Ball:
+    VEL = 5
+
+    def __init__(self, x, y, radius, color):
+        self.x = x
+        self.y = y
+        self.radius = radius
+        self.color = color
+        self.x_vel = 0
+        self.y_vel = -self.VEL
+
+    def move(self):
+        self.x += self.x_vel
+        self.y += self.y_vel
+
+    def set_vel(self, x_vel, y_vel):
+        self.x_vel = x_vel
+        self.y_vel = y_vel
+
+    def draw(self, win):
+        pygame.draw.circle(win, self.color, (self.x, self.y), self.radius)
+
+
+class Brick:
+    def __init__(self, x, y, width, height, health, colors):
+        self.x = x
+        self.y = y
+        self.width = width
+        self.height = height
+        self.health = health
+        self.max_health = health
+        self.colors = colors
+        self.color = colors[0]
+
+    def draw(self, win):
+        pygame.draw.rect(
+            win, self.color, (self.x, self.y, self.width, self.height))
+
+    def collide(self, ball):
+        if not (ball.x <= self.x + self.width and ball.x >= self.x):
+            return False
+        if not (ball.y - ball.radius <= self.y + self.height):
+            return False
+
+        self.hit()
+        ball.set_vel(ball.x_vel, ball.y_vel * -1)
+        return True
+
+    def hit(self):
+        self.health -= 1
+        self.color = self.interpolate(
+            *self.colors, self.health/self.max_health)
+
+    @staticmethod
+    def interpolate(color_a, color_b, t):
+        # 'color_a' and 'color_b' are RGB tuples
+        # 't' is a value between 0.0 and 1.0
+        # this is a naive interpolation
+        return tuple(int(a + (b - a) * t) for a, b in zip(color_a, color_b))
+
+
+def draw(win, paddle, ball, bricks, lives):
+    win.fill("white")
+    paddle.draw(win)
+    ball.draw(win)
+
+    for brick in bricks:
+        brick.draw(win)
+
+    lives_text = LIVES_FONT.render(f"Lives: {lives}", 1, "black")
+    win.blit(lives_text, (10, HEIGHT - lives_text.get_height() - 10))
+
+    pygame.display.update()
+
+
+def ball_collision(ball):
+    if ball.x - BALL_RADIUS <= 0 or ball.x + BALL_RADIUS >= WIDTH:
+        ball.set_vel(ball.x_vel * -1, ball.y_vel)
+    if ball.y + BALL_RADIUS >= HEIGHT or ball.y - BALL_RADIUS <= 0:
+        ball.set_vel(ball.x_vel, ball.y_vel * -1)
+
+
+def ball_paddle_collision(ball, paddle):
+    if not (ball.x <= paddle.x + paddle.width and ball.x >= paddle.x):
+        return
+    if not (ball.y + ball.radius >= paddle.y):
+        return
+
+    paddle_center = paddle.x + paddle.width/2
+    distance_to_center = ball.x - paddle_center
+
+    percent_width = distance_to_center / paddle.width
+    angle = percent_width * 90
+    angle_radians = math.radians(angle)
+
+    x_vel = math.sin(angle_radians) * ball.VEL
+    y_vel = math.cos(angle_radians) * ball.VEL * -1
+
+    ball.set_vel(x_vel, y_vel)
+
+
+def generate_bricks(rows, cols):
+    gap = 2
+    brick_width = WIDTH // cols - gap
+    brick_height = 20
+
+    bricks = []
+    for row in range(rows):
+        for col in range(cols):
+            brick = Brick(col * brick_width + gap * col, row * brick_height +
+                          gap * row, brick_width, brick_height, 2, [(0, 255, 0), (255, 0, 0)])
+            bricks.append(brick)
+
+    return bricks
+
+
+def main():
+    clock = pygame.time.Clock()
+
+    paddle_x = WIDTH/2 - PADDLE_WIDTH/2
+    paddle_y = HEIGHT - PADDLE_HEIGHT - 5
+    paddle = Paddle(paddle_x, paddle_y, PADDLE_WIDTH, PADDLE_HEIGHT, "black")
+    ball = Ball(WIDTH/2, paddle_y - BALL_RADIUS, BALL_RADIUS, "black")
+
+    bricks = generate_bricks(3, 10)
+    lives = 3
+
+    def reset():
+        paddle.x = paddle_x
+        paddle.y = paddle_y
+        ball.x = WIDTH/2
+        ball.y = paddle_y - BALL_RADIUS
+
+
+    def display_text(text):
+        text_render = LIVES_FONT.render(text, 1, "red")
+        win.blit(text_render, (WIDTH/2 - text_render.get_width() /
+                               2, HEIGHT/2 - text_render.get_height()/2))
+        pygame.display.update()
+        pygame.time.delay(3000)
+
+    run = True
+    while run:
+        clock.tick(FPS)
+
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                run = False
+                break
+
+        keys = pygame.key.get_pressed()
+
+        if keys[pygame.K_LEFT] and paddle.x - paddle.VEL >= 0:
+            paddle.move(-1)
+        if keys[pygame.K_RIGHT] and paddle.x + paddle.width + paddle.VEL <= WIDTH:
+            paddle.move(1)
+
+        ball.move()
+        ball_collision(ball)
+        ball_paddle_collision(ball, paddle)
+
+        for brick in bricks[:]:
+            brick.collide(ball)
+
+            if brick.health <= 0:
+                bricks.remove(brick)
+
+        # lives check
+        if ball.y + ball.radius >= HEIGHT:
+            lives -= 1
+            ball.x = paddle.x + paddle.width/2
+            ball.y = paddle.y - BALL_RADIUS
+            ball.set_vel(0, ball.VEL * -1)
+
+        if lives <= 0:
+            bricks = generate_bricks(3, 10)
+            lives = 3
+            reset()
+            display_text("You Lost!")
+
+        if len(bricks) == 0:
+            bricks = generate_bricks(3, 10)
+            lives = 3
+            reset()
+            display_text("You Won!")
+
+        draw(win, paddle, ball, bricks, lives)
+
+    pygame.quit()
+    quit()
+
+
+if __name__ == "__main__":
+    main()