在Pygam中存储Mousebutton事件

Question

有没有可能用鼠标点击Pygame中不同的矩形按钮，得到x-y位置，并用它们作为变量生成if语句。你知道吗

for event in pygame.event.get():
    if event.type == pygame.QUIT:
        sys.exit()
    elif event.type == pygame.MOUSEBUTTONDOWN:
        mouse_x, mouse_y = pygame.mouse.get_pos()
    .
    .
    .


if button_cliked_one and button_cliked_two:
    print ('buttons clicked')

else:
    print('something is wrong')

Answer 1

很难理解你想要什么，但也许你想存储以前的鼠标点击位置，以便绘制矩形？你知道吗

你所要做的就是把它们存储在一个不同的变量中。如果你想一次只点击两个位置，你就用它。或者可以使用Python列表来存储任意数量的单击位置。你知道吗

import pygame, sys

SIZE = 640, 480
screen = pygame.display.set_mode(SIZE)

# empty list
all_clicks = []

drawn = True
while True:

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == pygame.MOUSEBUTTONDOWN:
            # store mouse click position in the list:
            all_clicks.append(event.pos)
            # event.pos already has the info you'd get by calling pygame.mouse.get_pos()
            drawn = False
            print(all_clicks)

    # at every second click:
    if not len(all_clicks) % 2 and not drawn:
        # draw a rectangle having the click positions as coordinates:
        # pick the minimal x coordinate of both clicks as left position for rect:
        x = min(all_clicks[-1][0], all_clicks[-2][0])
        # ditto for top positionn
        y = min(all_clicks[-1][1], all_clicks[-2][1])
        # and calculate width and height in the same way
        w = max(all_clicks[-1][0], all_clicks[-2][0]) - x
        h = max(all_clicks[-1][1], all_clicks[-2][1]) - y
        pygame.draw.rect(screen, (255, 255, 255), (x, y, w, h))
        drawn = True

    # update screen:
    pygame.display.flip()
    # pause a while (30ms) least our game use 100% cpu for nothing:
    pygame.time.wait(30)

Answer 2

您可以使用变量previous_button和current_button来记住最后两个按钮。然后你可以检查它们是否正确。你知道吗

它类似于@jsbueno solution，但我使用两个变量，而不是list。 如果您想检查较长的组合，那么您可以使用列表。你知道吗

import pygame

#  - functions  -

def check_which_button_was_click(buttons, pos):

    for name, (rect, color) in buttons.items():
        if rect.collidepoint(pos):
            return name

#  - main  -

# - init -

screen = pygame.display.set_mode((350, 150))

# - objects -

buttons = {
    'RED':   (pygame.Rect(50, 50, 50, 50),  (255, 0, 0)),
    'GREEN': (pygame.Rect(150, 50, 50, 50), (0, 255, 0)),
    'BLUE':  (pygame.Rect(250, 50, 50, 50), (0, 0, 255)),
}

previous_button = None
current_button = None

# - mainloop -

clock = pygame.time.Clock()
running = True

while running:

    # - event -

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        elif event.type == pygame.MOUSEBUTTONDOWN:
            clicked_button = check_which_button_was_click(buttons, event.pos)
            if clicked_button is not None:
               previous_button = current_button
               current_button = clicked_button
            print(previous_button, current_button)

    # - updates -

    if previous_button == 'RED' and current_button == 'BLUE':
        print('correct buttons clicked: RED & BLUE')
        previous_button = None
        current_button = None

    # - draws -

    screen.fill((0,0,0))

    for rect, color in buttons.values():
        pygame.draw.rect(screen, color, rect)

    pygame.display.flip()

    # - FPS -

    clock.tick(5)

# - end -

pygame.quit()