坦克大战这个游戏相信是一代人的回忆吧，话不多说，这次先上代码
依旧是老样子
我们先定义这次代码所需要的模块
import pygame
from pygame.locals import *
import math
import random
扩展战场
def expand_battle_field():
for row in small_battle_field:
new_row = []
for column in row:
new_row.extend([column] * 2)
battle_field.append(new_row)
battle_field.append(new_row[:])
定义区域
def area_conflict(area1, area2):
for point1 in area1:
if point1 in area2:
return True
return False
定义绘制战场
def draw_battle_field():
global symbol_position
global symbol_area
for row_index in range(y_max):
for column_index in range(x_max):
if battle_field[row_index][column_index] == 1:
# is a brick_wall
screen.blit(brick_wall_img, (column_index * 30, row_index * 30))
if battle_field[row_index][column_index] == 2:
# is a cement_wall
screen.blit(cement_wall_img, (column_index * 30, row_index * 30))
if symbol_position != None:
continue
if battle_field[row_index][column_index] == 3:
# is a symbol
symbol_position = (column_index, row_index)
symbol_area = (
(column_index, row_index),
(column_index + 1, row_index),
(column_index, row_index + 1),
(column_index + 1, row_index + 1))
if game_over:
screen.blit(symbol_destoryed_img, (symbol_position[0] * 30, symbol_position[1] * 30))
else:
screen.blit(symbol_img, (symbol_position[0] * 30, symbol_position[1] * 30))
时间
def produce_enemy(time):
global last_product
global enemys_cur_number
if last_product != -1 and time - last_product < enemys_product_interval:
return
index_e = random.randint(0, 1)
conflict = False
for point in tank.area:
if point in enemy_init_area[index_e]:
conflict = True
break
if not conflict:
for enemy in enemys:
for point_e in enemy.area:
if point_e in enemy_init_area[index_e]:
conflict = True
break
if conflict:
break;
if not conflict:
enemys.append(Enemy(enemy_init_position[index_e]))
last_product = time
enemys_cur_number += 1
return
for point in tank.area:
if point in enemy_init_area[1 - index_e]:
return
for enemy in enemys:
for point_e in enemy.area:
if point_e in enemy_init_area[1 - index_e]:
return
enemys.append(Enemy(enemy_init_position[1 - index_e]))
last_product = time
enemys_cur_number += 1
装甲车
class ArmoredCar():
def __init__(self, p_position, p_direction, p_image, p_fire_interval):
self.position = p_position
self.area = (
(self.position[0], self.position[1]),
(self.position[0] + 1, self.position[1]),
(self.position[0], self.position[1] + 1),
(self.position[0] + 1, self.position[1] + 1))
self.direction = p_direction
self.image = p_image
self.missiles = []
self.destroyed = False
self.last_fire = -1
self.fire_interval = p_fire_interval
def draw(self):
screen.blit(self.image, (self.position[0] * 30, self.position[1] * 30))
def is_legal(self, new_area):
for (x, y) in new_area:
if x < 0 or y < 0 or x >= x_max or y >= y_max:
return False
if battle_field[y][x] != 0:
return False
for enemy in enemys:
if enemy == self:
continue
if area_conflict(enemy.area, new_area):
return False
if isinstance(self, Enemy) and area_conflict(self.area, tank.area):
return False
return True
def update(self):
self.draw()
index = 0
for missile in self.missiles:
if missile.update() == False:
self.missiles.pop(index)
index += 1
def up(self):
self.direction = 'U'
if isinstance(self, Tank):
self.image = tank_img_U
else:
self.image = enemy_img_U
new_position = (self.position[0], self.position[1] - 1)
new_area = (
(new_position[0], new_position[1]),
(new_position[0] + 1, new_position[1]),
(new_position[0], new_position[1] + 1),
(new_position[0] + 1, new_position[1] + 1))
if self.is_legal(new_area):
self.position = new_position
self.area = new_area
def down(self):
self.direction = 'D'
if isinstance(self, Tank):
self.image = tank_img_D
else:
self.image = enemy_img_D
new_position = (self.position[0], self.position[1] + 1)
new_area = (
(new_position[0], new_position[1]),
(new_position[0] + 1, new_position[1]),
(new_position[0], new_position[1] + 1),
(new_position[0] + 1, new_position[1] + 1))
if self.is_legal(new_area):
self.position = new_position
self.area = new_area
def right(self):
self.direction = 'R'
if isinstance(self, Tank):
self.image = tank_img_R
else:
self.image = enemy_img_R
new_position = (self.position[0] + 1, self.position[1])
new_area = (
(new_position[0], new_position[1]),
(new_position[0] + 1, new_position[1]),
(new_position[0], new_position[1] + 1),
(new_position[0] + 1, new_position[1] + 1))
if self.is_legal(new_area):
self.position = new_position
self.area = new_area
def left(self):
self.direction = 'L'
if isinstance(self, Tank):
self.image = tank_img_L
else:
self.image = enemy_img_L
new_position = (self.position[0] - 1, self.position[1])
new_area = (
(new_position[0], new_position[1]),
(new_position[0] + 1, new_position[1]),
(new_position[0], new_position[1] + 1),
(new_position[0] + 1, new_position[1] + 1))
if self.is_legal(new_area):
self.position = new_position
self.area = new_area
def fire(self, time):
if self.last_fire == -1 or time - self.last_fire >= self.fire_interval:
self.last_fire = time
if isinstance(self, Tank):
self.missiles.append(TankMissile(self.direction, self.position))
else:
self.missiles.append(EnemyMissile(self.direction, self.position))
我方（装甲车）
class Tank(ArmoredCar):
def __init__(self):
ArmoredCar.__init__(self, tank_init_position, 'U', tank_img_U, 300)
self.life = 3
# for future use
self.buf = []
def attacked(self):
self.direction = 'U'
self.image = tank_img_U
self.position = tank_init_position
self.life -= 1
if self.life == 0:
self.destroyed = True
def update(self):
self.draw()
index = 0
for missile in self.missiles:
if missile.update() == False:
self.missiles.pop(index)
index += 1
敌人（装甲车）
class Enemy(ArmoredCar):
def __init__(self, p_init_position):
ArmoredCar.__init__(self, p_init_position, 'D', enemy_img_D, 800)
# for future use
self.damaged = 0
self.limitation = 1
self.move_interval = 1000
self.last_move = -1
def attacked(self, damage):
self.damaged += damage
if self.damaged >= self.limitation:
self.destroyed = True
def update(self, time):
self.fire(time)
index = 0
for missile in self.missiles:
if missile.update() == False:
self.missiles.pop(index)
index += 1
self.draw()
if self.last_move != -1 and time - self.last_move < self.move_interval:
return
self.last_move = time
self.direction = ('D', 'D', 'D', 'D', 'D', 'R', 'R', 'L', 'L', 'U')[random.randint(0, 9)]
if self.direction == 'U':
self.up()
elif self.direction == 'D':
self.down()
elif self.direction == 'R':
self.right()
elif self.direction == 'L':
self.left()
导弹
class Missile():
def __init__(self, direction, p_position, image):
self.image = image
self.direction = direction
self.speed = 0.3
self.damage = 10
missile_img_width = self.image.get_width()
missile_img_height = self.image.get_height()
if self.direction == 'U':
self.position = [
p_position[0] * 30 + 30 - missile_img_width / 2,
p_position[1] * 30 - missile_img_height]
elif self.direction == 'D':
self.position = [
p_position[0] * 30 + 30 - missile_img_width / 2,
p_position[1] * 30 + 60]
elif self.direction == 'R':
self.position = [
p_position[0] * 30 + 60,
p_position[1] * 30 + 30 - missile_img_height / 2]
elif self.direction == 'L':
self.position = [
p_position[0] * 30 - missile_img_width,
p_position[1] * 30 + 30 - missile_img_height / 2]
# for future use
self.damage = 1
def draw(self):
screen.blit(self.image, (self.position[0], self.position[1]))
应用在坦克的导弹
class TankMissile(Missile):
def __init__(self, direction, p_position):
Missile.__init__(self, direction, p_position, tank_missile_img)
def update(self):
global symbol_attacked
if self.direction == 'U':
self.position[1] -= self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x + 1, y))
elif self.direction == 'D':
self.position[1] += self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x + 1, y))
elif self.direction == 'R':
self.position[0] += self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x, y + 1))
elif self.direction == 'L':
self.position[0] -= self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x, y + 1))
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
if self.area[0][0] < 0 or self.area[0][1] < 0 or self.area[0][0] >= x_max or self.area[0][1] >= y_max:
return False
if self.area[1][0] < 0 or self.area[1][1] < 0 or self.area[1][0] >= x_max or self.area[1][1] >= y_max:
return False
if battle_field[self.area[0][1]][self.area[0][0]] == 1:
battle_field[self.area[0][1]][self.area[0][0]] = 0
return False
if battle_field[self.area[1][1]][self.area[1][0]] == 1:
battle_field[self.area[1][1]][self.area[1][0]] = 0
return False
if battle_field[self.area[0][1]][self.area[0][0]] == 2:
return False
if battle_field[self.area[1][1]][self.area[1][0]] == 2:
return False
for enemy in enemys:
if area_conflict(enemy.area, self.area):
enemy.attacked(self.damage)
hit_msc.play()
return False
if area_conflict(symbol_area, self.area):
symbol_attacked += 1
return False
self.draw()
二级导弹
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class EnemyMissile(Missile):
def __init__(self, direction, p_position):
Missile.__init__(self, direction, p_position, enemy_missile_img)
def update(self):
global symbol_attacked
if self.direction == 'U':
self.position[1] -= self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x + 1, y))
elif self.direction == 'D':
self.position[1] += self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x + 1, y))
elif self.direction == 'R':
self.position[0] += self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x, y + 1))
elif self.direction == 'L':
self.position[0] -= self.speed
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
self.area = ((x, y), (x, y + 1))
x = int(self.position[0] / 30)
y = int(self.position[1] / 30)
if x < 0 or y < 0 or x >= x_max or y >= y_max:
return False
if self.area[0][0] < 0 or self.area[0][1] < 0 or self.area[0][0] >= x_max or self.area[0][1] >= y_max:
return False
if self.area[1][0] < 0 or self.area[1][1] < 0 or self.area[1][0] >= x_max or self.area[1][1] >= y_max:
return False
if battle_field[self.area[0][1]][self.area[0][0]] == 1:
battle_field[self.area[0][1]][self.area[0][0]] = 0
return False
if battle_field[self.area[1][1]][self.area[1][0]] == 1:
battle_field[self.area[1][1]][self.area[1][0]] = 0
return False
if battle_field[self.area[0][1]][self.area[0][0]] == 2:
return False
if battle_field[self.area[1][1]][self.area[1][0]] == 2:
return False
if area_conflict(tank.area, self.area):
tank.attacked()
return False
if area_conflict(symbol_area, self.area):
symbol_attacked += 1
return False
self.draw()
后面就是我用到的图片+定义的参数+所用到的循环
small_battle_field = [
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0],
[0, 1, 2, 1, 0, 0, 0, 1, 2, 1, 0],
[0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0],
[0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0],
[0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0],
[0, 0, 0, 1, 1, 3, 1, 1, 0, 0, 0]]
battle_field = []
pygame.init()
expand_battle_field()
x_max, y_max = len(battle_field[0]), len(battle_field)
screen = pygame.display.set_mode((x_max* 30, y_max * 30), 0, 32)
pygame.display.set_caption('Battle City')
symbol_area = None
symbol_position = None
symbol_attacked = 0
symbol_limitation = 4
brick_wall_img = pygame.image.load("resources/images/brick_wall.gif")
cement_wall_img = pygame.image.load("resources/images/cement_wall.gif")
symbol_img = pygame.image.load("resources/images/symbol.gif")
symbol_destoryed_img = pygame.image.load("resources/images/symbol_destoryed.gif")
game_over_img = pygame.image.load("resources/images/game_over.gif")
tank_img_D = pygame.image.load("resources/images/p1tankD.gif")
tank_img_L = pygame.image.load("resources/images/p1tankL.gif")
tank_img_R = pygame.image.load("resources/images/p1tankR.gif")
tank_img_U = pygame.image.load("resources/images/p1tankU.gif")
enemy_img_D = pygame.image.load("resources/images/enemy1D.gif")
enemy_img_L = pygame.image.load("resources/images/enemy1L.gif")
enemy_img_R = pygame.image.load("resources/images/enemy1R.gif")
enemy_img_U = pygame.image.load("resources/images/enemy1U.gif")
tank_missile_img = pygame.image.load("resources/images/tankmissile.gif")
enemy_missile_img = pygame.image.load("resources/images/enemymissile.gif")
fire_msc = pygame.mixer.Sound("resources/audios/fire.wav")
fire_msc.set_volume(1)
hit_msc = pygame.mixer.Sound("resources/audios/hit.wav")
hit_msc.set_volume(50)
start_msc = pygame.mixer.Sound("resources/audios/start.wav")
start_msc.set_volume(5)
tank_init_position = (4, 16)
enemy_init_position = ((0, 0), (20, 0))
enemy_init_area = (
((0, 0), (0, 1), (1, 0), (1, 1)),
((20, 0), (20, 1), (21, 0), (21, 1)))
enemys_cur_number = 0
enemys_max_number = 10
tank = Tank()
enemys = []
# up, left, down, right, fire
keys = [False, False, False, False, False]
last_move = -1
move_interval = 200
last_product = -1
enemys_product_interval = 5000
running = True
game_over = False
start_msc.play()
while running:
screen.fill(0);
if symbol_attacked >= symbol_limitation:
game_over = True
if tank.destroyed:
game_over = True
tank.update()
draw_battle_field()
time = pygame.time.get_ticks()
if enemys_cur_number < enemys_max_number:
produce_enemy(time)
index = 0
for enemy in enemys:
if enemy.destroyed:
enemys.pop(index)
else:
enemy.update(time)
index += 1
if game_over:
screen.blit(game_over_img, (x_max * 15 - game_over_img.get_width() / 2, y_max * 15 - game_over_img.get_height() / 2))
pygame.display.flip()
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit(0)
if event.type == pygame.KEYDOWN:
if event.key == K_w or event.key == K_UP:
keys[0] = True
elif event.key == K_a or event.key == K_LEFT:
keys[1] = True
elif event.key == K_s or event.key == K_DOWN:
keys[2] = True
elif event.key == K_d or event.key == K_RIGHT:
keys[3] = True
if event.key == K_SPACE:
keys[4] = True
if event.type == pygame.KEYUP:
if event.key == K_w or event.key == K_UP:
keys[0] = False
elif event.key == K_a or event.key == K_LEFT:
keys[1] = False
elif event.key == K_s or event.key == K_DOWN:
keys[2] = False
elif event.key == K_d or event.key == K_RIGHT:
keys[3] = False
if event.key == K_SPACE:
keys[4] = False
if game_over:
continue
if keys[0]:
if last_move == -1 or time - last_move >= move_interval:
last_move = time
tank.up()
elif keys[2]:
if last_move == -1 or time - last_move >= move_interval:
last_move = time
tank.down()
if keys[1]:
if last_move == -1 or time - last_move >= move_interval:
last_move = time
tank.left()
elif keys[3]:
if last_move == -1 or time - last_move >= move_interval:
last_move = time
tank.right()
if keys[4]:
tank.fire(time)
fire_msc.play()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit(0)
pygame.display.flip()
pygame.display.update()
快来学习一下一起玩！！！