parent
74fb7c664c
commit
788c7e983c
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import pygame
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import time
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import math
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from utils import scale_image, blit_rotate_center, blit_text_center
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pygame.font.init()
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GRASS = scale_image(pygame.image.load("imgs/grass.jpg"), 2.5)
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TRACK = scale_image(pygame.image.load("imgs/track.png"), 0.9)
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TRACK_BORDER = scale_image(pygame.image.load("imgs/track-border.png"), 0.9)
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TRACK_BORDER_MASK = pygame.mask.from_surface(TRACK_BORDER)
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FINISH = pygame.image.load("imgs/finish.png")
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FINISH_MASK = pygame.mask.from_surface(FINISH)
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FINISH_POSITION = (130, 250)
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RED_CAR = scale_image(pygame.image.load("imgs/red-car.png"), 0.55)
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GREEN_CAR = scale_image(pygame.image.load("imgs/green-car.png"), 0.55)
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WIDTH, HEIGHT = TRACK.get_width(), TRACK.get_height()
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WIN = pygame.display.set_mode((WIDTH, HEIGHT))
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pygame.display.set_caption("Racing Game!")
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MAIN_FONT = pygame.font.SysFont("comicsans", 44)
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FPS = 60
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PATH = [(175, 119), (110, 70), (56, 133), (70, 481), (318, 731), (404, 680), (418, 521), (507, 475), (600, 551), (613, 715), (736, 713),
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(734, 399), (611, 357), (409, 343), (433, 257), (697, 258), (738, 123), (581, 71), (303, 78), (275, 377), (176, 388), (178, 260)]
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class GameInfo:
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LEVELS = 10
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def __init__(self, level=1):
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self.level = level
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self.started = False
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self.level_start_time = 0
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def next_level(self):
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self.level += 1
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self.started = False
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def reset(self):
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self.level = 1
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self.started = False
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self.level_start_time = 0
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def game_finished(self):
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return self.level > self.LEVELS
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def start_level(self):
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self.started = True
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self.level_start_time = time.time()
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def get_level_time(self):
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if not self.started:
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return 0
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return round(time.time() - self.level_start_time)
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class AbstractCar:
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def __init__(self, max_vel, rotation_vel):
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self.img = self.IMG
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self.max_vel = max_vel
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self.vel = 0
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self.rotation_vel = rotation_vel
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self.angle = 0
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self.x, self.y = self.START_POS
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self.acceleration = 0.1
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def rotate(self, left=False, right=False):
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if left:
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self.angle += self.rotation_vel
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elif right:
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self.angle -= self.rotation_vel
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def draw(self, win):
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blit_rotate_center(win, self.img, (self.x, self.y), self.angle)
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def move_forward(self):
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self.vel = min(self.vel + self.acceleration, self.max_vel)
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self.move()
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def move_backward(self):
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self.vel = max(self.vel - self.acceleration, -self.max_vel/2)
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self.move()
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def move(self):
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radians = math.radians(self.angle)
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vertical = math.cos(radians) * self.vel
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horizontal = math.sin(radians) * self.vel
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self.y -= vertical
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self.x -= horizontal
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def collide(self, mask, x=0, y=0):
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car_mask = pygame.mask.from_surface(self.img)
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offset = (int(self.x - x), int(self.y - y))
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poi = mask.overlap(car_mask, offset)
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return poi
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def reset(self):
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self.x, self.y = self.START_POS
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self.angle = 0
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self.vel = 0
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class PlayerCar(AbstractCar):
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IMG = RED_CAR
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START_POS = (180, 200)
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def reduce_speed(self):
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self.vel = max(self.vel - self.acceleration / 2, 0)
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self.move()
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def bounce(self):
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self.vel = -self.vel
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self.move()
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class ComputerCar(AbstractCar):
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IMG = GREEN_CAR
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START_POS = (150, 200)
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def __init__(self, max_vel, rotation_vel, path=[]):
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super().__init__(max_vel, rotation_vel)
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self.path = path
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self.current_point = 0
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self.vel = max_vel
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def draw_points(self, win):
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for point in self.path:
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pygame.draw.circle(win, (255, 0, 0), point, 5)
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def draw(self, win):
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super().draw(win)
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# self.draw_points(win)
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def calculate_angle(self):
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target_x, target_y = self.path[self.current_point]
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x_diff = target_x - self.x
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y_diff = target_y - self.y
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if y_diff == 0:
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desired_radian_angle = math.pi / 2
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else:
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desired_radian_angle = math.atan(x_diff / y_diff)
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if target_y > self.y:
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desired_radian_angle += math.pi
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difference_in_angle = self.angle - math.degrees(desired_radian_angle)
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if difference_in_angle >= 180:
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difference_in_angle -= 360
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if difference_in_angle > 0:
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self.angle -= min(self.rotation_vel, abs(difference_in_angle))
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else:
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self.angle += min(self.rotation_vel, abs(difference_in_angle))
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def update_path_point(self):
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target = self.path[self.current_point]
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rect = pygame.Rect(
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self.x, self.y, self.img.get_width(), self.img.get_height())
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if rect.collidepoint(*target):
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self.current_point += 1
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def move(self):
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if self.current_point >= len(self.path):
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return
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self.calculate_angle()
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self.update_path_point()
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super().move()
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def next_level(self, level):
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self.reset()
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self.vel = self.max_vel + (level - 1) * 0.2
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self.current_point = 0
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def draw(win, images, player_car, computer_car, game_info):
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for img, pos in images:
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win.blit(img, pos)
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level_text = MAIN_FONT.render(
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f"Level {game_info.level}", 1, (255, 255, 255))
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win.blit(level_text, (10, HEIGHT - level_text.get_height() - 70))
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time_text = MAIN_FONT.render(
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f"Time: {game_info.get_level_time()}s", 1, (255, 255, 255))
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win.blit(time_text, (10, HEIGHT - time_text.get_height() - 40))
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vel_text = MAIN_FONT.render(
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f"Vel: {round(player_car.vel, 1)}px/s", 1, (255, 255, 255))
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win.blit(vel_text, (10, HEIGHT - vel_text.get_height() - 10))
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player_car.draw(win)
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computer_car.draw(win)
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pygame.display.update()
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def move_player(player_car):
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keys = pygame.key.get_pressed()
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moved = False
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if keys[pygame.K_a]:
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player_car.rotate(left=True)
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if keys[pygame.K_d]:
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player_car.rotate(right=True)
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if keys[pygame.K_w]:
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moved = True
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player_car.move_forward()
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if keys[pygame.K_s]:
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moved = True
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player_car.move_backward()
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if not moved:
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player_car.reduce_speed()
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def handle_collision(player_car, computer_car, game_info):
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if player_car.collide(TRACK_BORDER_MASK) != None:
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player_car.bounce()
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computer_finish_poi_collide = computer_car.collide(
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FINISH_MASK, *FINISH_POSITION)
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if computer_finish_poi_collide != None:
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blit_text_center(WIN, MAIN_FONT, "You lost!")
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pygame.display.update()
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pygame.time.wait(5000)
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game_info.reset()
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player_car.reset()
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computer_car.reset()
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player_finish_poi_collide = player_car.collide(
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FINISH_MASK, *FINISH_POSITION)
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if player_finish_poi_collide != None:
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if player_finish_poi_collide[1] == 0:
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player_car.bounce()
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else:
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game_info.next_level()
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player_car.reset()
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computer_car.next_level(game_info.level)
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run = True
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clock = pygame.time.Clock()
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images = [(GRASS, (0, 0)), (TRACK, (0, 0)),
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(FINISH, FINISH_POSITION), (TRACK_BORDER, (0, 0))]
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player_car = PlayerCar(4, 4)
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computer_car = ComputerCar(2, 4, PATH)
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game_info = GameInfo()
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while run:
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clock.tick(FPS)
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draw(WIN, images, player_car, computer_car, game_info)
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while not game_info.started:
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blit_text_center(
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WIN, MAIN_FONT, f"Press any key to start level {game_info.level}!")
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pygame.display.update()
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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pygame.quit()
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break
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if event.type == pygame.KEYDOWN:
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game_info.start_level()
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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run = False
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break
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move_player(player_car)
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computer_car.move()
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handle_collision(player_car, computer_car, game_info)
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if game_info.game_finished():
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blit_text_center(WIN, MAIN_FONT, "You won the game!")
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pygame.time.wait(5000)
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game_info.reset()
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player_car.reset()
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computer_car.reset()
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pygame.quit()
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Reference in new issue