diff options
| -rw-r--r-- | path_finding/tutorials/02_event_frontend_backend.py | 112 | ||||
| -rw-r--r-- | path_finding/备课/02_event_frontend_backend.py | 99 |
2 files changed, 211 insertions, 0 deletions
diff --git a/path_finding/tutorials/02_event_frontend_backend.py b/path_finding/tutorials/02_event_frontend_backend.py new file mode 100644 index 0000000..30b7af2 --- /dev/null +++ b/path_finding/tutorials/02_event_frontend_backend.py @@ -0,0 +1,112 @@ +import pygame +from pygame.locals import * + +WIDTH = 800 +HEIGHT = WIDTH + +COLS = 50 +ROWS = COLS + +RED = (255, 0, 0) +GREEN = (0, 255, 0) +BLUE = (0, 255, 0) +YELLOW = (255, 255, 0) +WHITE = (255, 255, 255) +BLACK = (0, 0, 0) +PURPLE = (128, 0, 128) +ORANGE = (255, 165, 0) +GREY = (128, 128, 128) +TURQUOISE = (64, 224, 208) + +# spot +spot_width = WIDTH//COLS +spot_height = HEIGHT // ROWS + +win = pygame.display.set_mode((WIDTH, HEIGHT)) +pygame.display.set_caption('grid world') + + +class Spot: + def __init__(self, r, c): + self.r = r + self.c = c + self.x = c * spot_width + self.y = r * spot_height + self.color = BLACK + + def make_start(self): + self.color = ORANGE + + def make_end(self): + self.color = TURQUOISE + + def draw(self, win): + pygame.draw.rect(win, self.color, (self.x, self.y, spot_width, spot_height)) + + +grid_world = [] + + +def make_grid_world(): + for r in range(ROWS): + grid_world.append([]) + for c in range(COLS): + grid_world[r].append(Spot(r, c)) + + +def draw(): + win.fill(WHITE) + + for r in range(ROWS): + for c in range(COLS): + spot = grid_world[r][c] + spot.draw(win) + + for i in range(ROWS): + pygame.draw.line(win, GREY, (0, i*spot_height), (WIDTH, i*spot_height)) + for j in range(COLS): + pygame.draw.line(win, GREY, (j*spot_width, 0), (j * spot_width, HEIGHT)) + + pygame.display.update() + + +def map_pos_to_spot(pos): + x, y = pos + r, c = y//spot_height, x//spot_width + return r, c + + +if __name__ == '__main__': + run = True + make_grid_world() + start = None + end = None + while run: + draw() + for event in pygame.event.get(): + if event.type == pygame.QUIT: + run = False + if event.type == KEYDOWN: + if event.key == K_ESCAPE: + run = False + left, center, right = pygame.mouse.get_pressed() + # if left: + # print('left') + # if center: + # print('center') + # if right: for r in range(ROWS): + # for c in range(COLS): + # spot = grid_world[r][c] + # spot.draw(win) + # print('right') + if left: + pos = pygame.mouse.get_pos() + r, c = map_pos_to_spot(pos) + spot = grid_world[r][c] + if not start: + start = spot + start.make_start() + elif not end: + end = spot + end.make_end() + diff --git a/path_finding/备课/02_event_frontend_backend.py b/path_finding/备课/02_event_frontend_backend.py new file mode 100644 index 0000000..d3ec38d --- /dev/null +++ b/path_finding/备课/02_event_frontend_backend.py @@ -0,0 +1,99 @@ +import pygame +from pygame.locals import * + +WIDTH = 800 +HEIGHT = WIDTH + +COLS = 50 +ROWS = COLS + +RED = (255, 0, 0) +GREEN = (0, 255, 0) +BLUE = (0, 255, 0) +YELLOW = (255, 255, 0) +WHITE = (255, 255, 255) +BLACK = (0, 0, 0) +PURPLE = (128, 0, 128) +ORANGE = (255, 165, 0) +GREY = (128, 128, 128) +TURQUOISE = (64, 224, 208) + +# spot +spot_width = WIDTH//COLS +spot_height = HEIGHT // ROWS + +win = pygame.display.set_mode((WIDTH, HEIGHT)) +pygame.display.set_caption('grid world') + +grid_world = [] + + +class Spot: + def __init__(self, r, c): + self.r = r + self.c = c + self.x = c * spot_width + self.y = r * spot_height + self.color = WHITE + + def make_start(self): + self.color = ORANGE + + def make_end(self): + self.color = TURQUOISE + + def draw(self, win): + pygame.draw.rect(win, self.color, (self.x, self.y, spot_width, spot_height)) + + +def make_grid(): + for r in range(ROWS): + grid_world.append([]) + for c in range(COLS): + grid_world[r].append(Spot(r, c)) + + +def draw(): + win.fill(WHITE) + + for r in range(ROWS): + for c in range(COLS): + grid_world[r][c].draw(win) + + for i in range(ROWS): + pygame.draw.line(win, GREY, (0, i*spot_height), (WIDTH, i*spot_height)) + for j in range(COLS): + pygame.draw.line(win, GREY, (j*spot_width, 0), (j * spot_width, HEIGHT)) + + pygame.display.update() + + +def map_pressed_pos(pos): + x, y = pos + return x//spot_width, y//spot_height + + +if __name__ == '__main__': + run = True + start = None + end = None + make_grid() + while run: + draw() + for event in pygame.event.get(): + if event.type == pygame.QUIT: + run = False + if event.type == KEYDOWN: + if event.key == K_ESCAPE: + run = False + left, center, right = pygame.mouse.get_pressed() + if left: + pos = pygame.mouse.get_pos() + c, r = map_pressed_pos(pos) + spot = grid_world[r][c] + if not start: + start = spot + start.make_start() + elif not end: + end = spot + end.make_end() |