实例介绍
【实例简介】
【实例截图】
【核心代码】
"""五子棋之人机对战"""
import sys
import random
import pygame
from pygame.locals import *
import pygame.gfxdraw
from checkerboard import Checkerboard, BLACK_CHESSMAN, WHITE_CHESSMAN, offset, Point
SIZE = 30 # 棋盘每个点时间的间隔
Line_Points = 19 # 棋盘每行/每列点数
Outer_Width = 20 # 棋盘外宽度
Border_Width = 4 # 边框宽度
Inside_Width = 4 # 边框跟实际的棋盘之间的间隔
Border_Length = SIZE * (Line_Points - 1) Inside_Width * 2 Border_Width # 边框线的长度
Start_X = Start_Y = Outer_Width int(Border_Width / 2) Inside_Width # 网格线起点（左上角）坐标
SCREEN_HEIGHT = SIZE * (Line_Points - 1) Outer_Width * 2 Border_Width Inside_Width * 2 # 游戏屏幕的高
SCREEN_WIDTH = SCREEN_HEIGHT 200 # 游戏屏幕的宽
Stone_Radius = SIZE // 2 - 3 # 棋子半径
Stone_Radius2 = SIZE // 2 3
Checkerboard_Color = (0xE3, 0x92, 0x65) # 棋盘颜色
BLACK_COLOR = (0, 0, 0)
WHITE_COLOR = (255, 255, 255)
RED_COLOR = (200, 30, 30)
BLUE_COLOR = (30, 30, 200)
RIGHT_INFO_POS_X = SCREEN_HEIGHT Stone_Radius2 * 2 10
def print_text(screen, font, x, y, text, fcolor=(255, 255, 255)):
imgText = font.render(text, True, fcolor)
screen.blit(imgText, (x, y))
def main():
pygame.init()
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption('五子棋')
font1 = pygame.font.SysFont('SimHei', 32)
font2 = pygame.font.SysFont('SimHei', 72)
fwidth, fheight = font2.size('黑方获胜')
checkerboard = Checkerboard(Line_Points)
cur_runner = BLACK_CHESSMAN
winner = None
computer = AI(Line_Points, WHITE_CHESSMAN)
black_win_count = 0
white_win_count = 0
while True:
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
elif event.type == KEYDOWN:
if event.key == K_RETURN:
if winner is not None:
winner = None
cur_runner = BLACK_CHESSMAN
checkerboard = Checkerboard(Line_Points)
computer = AI(Line_Points, WHITE_CHESSMAN)
elif event.type == MOUSEBUTTONDOWN:
if winner is None:
pressed_array = pygame.mouse.get_pressed()
if pressed_array[0]:
mouse_pos = pygame.mouse.get_pos()
click_point = _get_clickpoint(mouse_pos)
if click_point is not None:
if checkerboard.can_drop(click_point):
winner = checkerboard.drop(cur_runner, click_point)
if winner is None:
cur_runner = _get_next(cur_runner)
computer.get_opponent_drop(click_point)
AI_point = computer.AI_drop()
winner = checkerboard.drop(cur_runner, AI_point)
if winner is not None:
white_win_count = 1
cur_runner = _get_next(cur_runner)
else:
black_win_count = 1
else:
print('超出棋盘区域')
# 画棋盘
_draw_checkerboard(screen)
# 画棋盘上已有的棋子
for i, row in enumerate(checkerboard.checkerboard):
for j, cell in enumerate(row):
if cell == BLACK_CHESSMAN.Value:
_draw_chessman(screen, Point(j, i), BLACK_CHESSMAN.Color)
elif cell == WHITE_CHESSMAN.Value:
_draw_chessman(screen, Point(j, i), WHITE_CHESSMAN.Color)
_draw_left_info(screen, font1, cur_runner, black_win_count, white_win_count)
if winner:
print_text(screen, font2, (SCREEN_WIDTH - fwidth)//2, (SCREEN_HEIGHT - fheight)//2, winner.Name '获胜', RED_COLOR)
pygame.display.flip()
def _get_next(cur_runner):
if cur_runner == BLACK_CHESSMAN:
return WHITE_CHESSMAN
else:
return BLACK_CHESSMAN
# 画棋盘
def _draw_checkerboard(screen):
# 填充棋盘背景色
screen.fill(Checkerboard_Color)
# 画棋盘网格线外的边框
pygame.draw.rect(screen, BLACK_COLOR, (Outer_Width, Outer_Width, Border_Length, Border_Length), Border_Width)
# 画网格线
for i in range(Line_Points):
pygame.draw.line(screen, BLACK_COLOR,
(Start_Y, Start_Y SIZE * i),
(Start_Y SIZE * (Line_Points - 1), Start_Y SIZE * i),
1)
for j in range(Line_Points):
pygame.draw.line(screen, BLACK_COLOR,
(Start_X SIZE * j, Start_X),
(Start_X SIZE * j, Start_X SIZE * (Line_Points - 1)),
1)
# 画星位和天元
for i in (3, 9, 15):
for j in (3, 9, 15):
if i == j == 9:
radius = 5
else:
radius = 3
# pygame.draw.circle(screen, BLACK, (Start_X SIZE * i, Start_Y SIZE * j), radius)
pygame.gfxdraw.aacircle(screen, Start_X SIZE * i, Start_Y SIZE * j, radius, BLACK_COLOR)
pygame.gfxdraw.filled_circle(screen, Start_X SIZE * i, Start_Y SIZE * j, radius, BLACK_COLOR)
# 画棋子
def _draw_chessman(screen, point, stone_color):
# pygame.draw.circle(screen, stone_color, (Start_X SIZE * point.X, Start_Y SIZE * point.Y), Stone_Radius)
pygame.gfxdraw.aacircle(screen, Start_X SIZE * point.X, Start_Y SIZE * point.Y, Stone_Radius, stone_color)
pygame.gfxdraw.filled_circle(screen, Start_X SIZE * point.X, Start_Y SIZE * point.Y, Stone_Radius, stone_color)
# 画左侧信息显示
def _draw_left_info(screen, font, cur_runner, black_win_count, white_win_count):
_draw_chessman_pos(screen, (SCREEN_HEIGHT Stone_Radius2, Start_X Stone_Radius2), BLACK_CHESSMAN.Color)
_draw_chessman_pos(screen, (SCREEN_HEIGHT Stone_Radius2, Start_X Stone_Radius2 * 4), WHITE_CHESSMAN.Color)
print_text(screen, font, RIGHT_INFO_POS_X, Start_X 3, '玩家', BLUE_COLOR)
print_text(screen, font, RIGHT_INFO_POS_X, Start_X Stone_Radius2 * 3 3, '电脑', BLUE_COLOR)
print_text(screen, font, SCREEN_HEIGHT, SCREEN_HEIGHT - Stone_Radius2 * 8, '战况：', BLUE_COLOR)
_draw_chessman_pos(screen, (SCREEN_HEIGHT Stone_Radius2, SCREEN_HEIGHT - int(Stone_Radius2 * 4.5)), BLACK_CHESSMAN.Color)
_draw_chessman_pos(screen, (SCREEN_HEIGHT Stone_Radius2, SCREEN_HEIGHT - Stone_Radius2 * 2), WHITE_CHESSMAN.Color)
print_text(screen, font, RIGHT_INFO_POS_X, SCREEN_HEIGHT - int(Stone_Radius2 * 5.5) 3, f'{black_win_count} 胜', BLUE_COLOR)
print_text(screen, font, RIGHT_INFO_POS_X, SCREEN_HEIGHT - Stone_Radius2 * 3 3, f'{white_win_count} 胜', BLUE_COLOR)
def _draw_chessman_pos(screen, pos, stone_color):
pygame.gfxdraw.aacircle(screen, pos[0], pos[1], Stone_Radius2, stone_color)
pygame.gfxdraw.filled_circle(screen, pos[0], pos[1], Stone_Radius2, stone_color)
# 根据鼠标点击位置，返回游戏区坐标
def _get_clickpoint(click_pos):
pos_x = click_pos[0] - Start_X
pos_y = click_pos[1] - Start_Y
if pos_x < -Inside_Width or pos_y < -Inside_Width:
return None
x = pos_x // SIZE
y = pos_y // SIZE
if pos_x % SIZE > Stone_Radius:
x = 1
if pos_y % SIZE > Stone_Radius:
y = 1
if x >= Line_Points or y >= Line_Points:
return None
return Point(x, y)
class AI:
def __init__(self, line_points, chessman):
self._line_points = line_points
self._my = chessman
self._opponent = BLACK_CHESSMAN if chessman == WHITE_CHESSMAN else WHITE_CHESSMAN
self._checkerboard = [[0] * line_points for _ in range(line_points)]
def get_opponent_drop(self, point):
self._checkerboard[point.Y][point.X] = self._opponent.Value
def AI_drop(self):
point = None
score = 0
for i in range(self._line_points):
for j in range(self._line_points):
if self._checkerboard[j][i] == 0:
_score = self._get_point_score(Point(i, j))
if _score > score:
score = _score
point = Point(i, j)
elif _score == score and _score > 0:
r = random.randint(0, 100)
if r % 2 == 0:
point = Point(i, j)
self._checkerboard[point.Y][point.X] = self._my.Value
return point
def _get_point_score(self, point):
score = 0
for os in offset:
score = self._get_direction_score(point, os[0], os[1])
return score
def _get_direction_score(self, point, x_offset, y_offset):
count = 0 # 落子处我方连续子数
_count = 0 # 落子处对方连续子数
space = None # 我方连续子中有无空格
_space = None # 对方连续子中有无空格
both = 0 # 我方连续子两端有无阻挡
_both = 0 # 对方连续子两端有无阻挡
# 如果是 1 表示是边上是我方子，2 表示敌方子
flag = self._get_stone_color(point, x_offset, y_offset, True)
if flag != 0:
for step in range(1, 6):
x = point.X step * x_offset
y = point.Y step * y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points:
if flag == 1:
if self._checkerboard[y][x] == self._my.Value:
count = 1
if space is False:
space = True
elif self._checkerboard[y][x] == self._opponent.Value:
_both = 1
break
else:
if space is None:
space = False
else:
break # 遇到第二个空格退出
elif flag == 2:
if self._checkerboard[y][x] == self._my.Value:
_both = 1
break
elif self._checkerboard[y][x] == self._opponent.Value:
_count = 1
if _space is False:
_space = True
else:
if _space is None:
_space = False
else:
break
else:
# 遇到边也就是阻挡
if flag == 1:
both = 1
elif flag == 2:
_both = 1
if space is False:
space = None
if _space is False:
_space = None
_flag = self._get_stone_color(point, -x_offset, -y_offset, True)
if _flag != 0:
for step in range(1, 6):
x = point.X - step * x_offset
y = point.Y - step * y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points:
if _flag == 1:
if self._checkerboard[y][x] == self._my.Value:
count = 1
if space is False:
space = True
elif self._checkerboard[y][x] == self._opponent.Value:
_both = 1
break
else:
if space is None:
space = False
else:
break # 遇到第二个空格退出
elif _flag == 2:
if self._checkerboard[y][x] == self._my.Value:
_both = 1
break
elif self._checkerboard[y][x] == self._opponent.Value:
_count = 1
if _space is False:
_space = True
else:
if _space is None:
_space = False
else:
break
else:
# 遇到边也就是阻挡
if _flag == 1:
both = 1
elif _flag == 2:
_both = 1
score = 0
if count == 4:
score = 10000
elif _count == 4:
score = 9000
elif count == 3:
if both == 0:
score = 1000
elif both == 1:
score = 100
else:
score = 0
elif _count == 3:
if _both == 0:
score = 900
elif _both == 1:
score = 90
else:
score = 0
elif count == 2:
if both == 0:
score = 100
elif both == 1:
score = 10
else:
score = 0
elif _count == 2:
if _both == 0:
score = 90
elif _both == 1:
score = 9
else:
score = 0
elif count == 1:
score = 10
elif _count == 1:
score = 9
else:
score = 0
if space or _space:
score /= 2
return score
# 判断指定位置处在指定方向上是我方子、对方子、空
def _get_stone_color(self, point, x_offset, y_offset, next):
x = point.X x_offset
y = point.Y y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points:
if self._checkerboard[y][x] == self._my.Value:
return 1
elif self._checkerboard[y][x] == self._opponent.Value:
return 2
else:
if next:
return self._get_stone_color(Point(x, y), x_offset, y_offset, False)
else:
return 0
else:
return 0
if __name__ == '__main__':
main()
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