如何在 PyGame 中拖动多个图像? [英] How to drag multiple images in PyGame?
问题描述
导入pygame从 pygame.locals 导入 *pygame.display.init()屏幕 = pygame.display.set_mode((1143,677))img = pygame.image.load(r"C:\Users\ga-sa\Downloads\As.png")imgPos = pygame.Rect((0, 0), (0, 0))左按钮 = 0而 1:对于 pygame.event.get() 中的 e:如果 e.type == QUIT: exit(0)如果 e.type == MOUSEMOTION:如果 e.buttons[LeftButton]:rel = e.relimgPos.x += rel[0]imgPos.y += rel[1]屏幕填充(0)screen.blit(img, imgPos)pygame.display.flip()pygame.time.delay(30)我试着用多张图片来制作这个，而且总是图片重叠，而且只能移动一张图片，所以试过这个:
导入 pygame从 pygame.locals 导入 *pygame.display.init()屏幕 = pygame.display.set_mode((1143,677))img = pygame.image.load(r"C:\Users\ga-sa\Downloads\As.png")img1 = pygame.image.load(r"C:\Users\ga-sa\Downloads\03.png")imgPos = pygame.Rect((0, 0), (0, 0))imgPos1 = pygame.Rect((1, 1), (1, 1))左按钮 = 0而 1:对于 pygame.event.get() 中的 e:如果 e.type == QUIT: exit(0)如果 e.type == MOUSEMOTION:如果 e.buttons[LeftButton]:rel = e.relimgPos.x += rel[0]imgPos.y += rel[1]屏幕填充(0)screen.blit(img, imgPos)screen.blit (img1, imgPos1)pygame.display.flip()pygame.time.delay(30)所以图像重叠并且可以移动第二个图像，我想用鼠标移动两个图像，我希望分别移动图像
PyGame 中的单位是像素.您的对象重叠，因为垂直和水平位置的差异仅为一个像素.
<块引用>imgPos = pygame.Rect((0, 0), (0, 0))imgPos1 = pygame.Rect((1, 1), (1, 1))增加对象的距离并根据相应图像的大小设置矩形的大小.例如
imgPos = pygame.Rect((0, 0), img.get_size())offsetX = img.get_width()imgPos1 = pygame.Rect((offsetX, 0), img1.get_size())或者，可以生成一个
导入pygame从 pygame.locals 导入 *pygame.display.init()屏幕 = pygame.display.set_mode((1143,677))img = pygame.image.load(r"C:\Users\ga-sa\Downloads\As.png")img1 = pygame.image.load(r"C:\Users\ga-sa\Downloads\03.png")imgPos = img.get_rect(topleft = (20, 20))imgPos1 = img1.get_rect(topleft = (60, 20))current_image = 无左按钮 = 0而 1:对于 pygame.event.get() 中的 e:如果 e.type == 退出:pygame.quit()退出(0)如果 e.type == pygame.MOUSEBUTTONDOWN:如果 imgPos.collidepoint(e.pos):current_image = 0elif imgPos1.collidepoint(e.pos):current_image = 1别的:current_image = 无如果 e.type == MOUSEMOTION:如果 e.buttons[LeftButton]:rel = e.rel如果 current_image == 0:imgPos.x += rel[0]imgPos.y += rel[1]elif current_image == 1:imgPos1.x += rel[0]imgPos1.y += rel[1]屏幕填充(0)screen.blit(img, imgPos)screen.blit (img1, imgPos1)pygame.display.flip()pygame.time.delay(30)参见 从 Pygame 中的同一个 sprite 类创建多个具有不同 update() 的 sprite 以拖动 pygame.sprite.Sprite 对象.
import pygame
from pygame.locals import *
pygame.display.init()
screen = pygame.display.set_mode((1143,677 ))
img = pygame.image.load(r"C:\Users\ga-sa\Downloads\As.png")
imgPos = pygame.Rect((0, 0), (0, 0))
LeftButton = 0
while 1:
for e in pygame.event.get():
if e.type == QUIT: exit(0)
if e.type == MOUSEMOTION:
if e.buttons[LeftButton]:
rel = e.rel
imgPos.x += rel[0]
imgPos.y += rel[1]
screen.fill(0)
screen.blit(img, imgPos)
pygame.display.flip()
pygame.time.delay(30)
i tried to maket this with multiple images and always the images overlap and a can move just one image so tried this :
import pygame
from pygame.locals import *
pygame.display.init()
screen = pygame.display.set_mode((1143,677 ))
img = pygame.image.load(r"C:\Users\ga-sa\Downloads\As.png")
img1 = pygame.image.load(r"C:\Users\ga-sa\Downloads\03.png")
imgPos = pygame.Rect((0, 0), (0, 0))
imgPos1 = pygame.Rect((1, 1), (1, 1))
LeftButton = 0
while 1:
for e in pygame.event.get():
if e.type == QUIT: exit(0)
if e.type == MOUSEMOTION:
if e.buttons[LeftButton]:
rel = e.rel
imgPos.x += rel[0]
imgPos.y += rel[1]
screen.fill(0)
screen.blit(img, imgPos)
screen.blit (img1, imgPos1)
pygame.display.flip()
pygame.time.delay(30)
so the images overlaps and a can move the second image , i want to make the two images moves with mouse , i wish move the images separately
The unit in PyGame is pixel. Your objects overlap because the difference in position for vertical and horizontal is only one pixel.
imgPos = pygame.Rect((0, 0), (0, 0)) imgPos1 = pygame.Rect((1, 1), (1, 1))
Increase the distance of the objects and set the size of the rectangles dependent on the size of the corresponding image. For instnace
imgPos = pygame.Rect((0, 0), img.get_size())
offsetX = img.get_width()
imgPos1 = pygame.Rect((offsetX, 0), img1.get_size())
Alternatively it is possible to generate a pygame.Rect object form the pygame.Surface by get_rect. The position of the rectangle has to be set by a keyword argument:
imgPos = img.get_rect(topleft = (0, 0))
imgPos1 = img1.get_rect(topleft = (img.get_width(), 0))
If you want to select the image to be moved, you need to add a variable that indicates the currently selected image:
current_image = None
When an image is clicked, the change current_image. Use collidepoint() to verify if the mouse has clicked on an image:
if e.type == pygame.MOUSEBUTTONDOWN:
if imgPos.collidepoint(e.pos):
current_image = 0
elif imgPos1.collidepoint(e.pos):
current_image = 1
else:
current_image = None
Move img if current_image == 0 and move img1 if current_image == 1:
if e.type == MOUSEMOTION:
if e.buttons[LeftButton]:
rel = e.rel
if current_image == 0:
imgPos.x += rel[0]
imgPos.y += rel[1]
elif current_image == 1:
imgPos1.x += rel[0]
imgPos1.y += rel[1]
Minimal example:
import pygame
from pygame.locals import *
pygame.display.init()
screen = pygame.display.set_mode((1143,677 ))
img = pygame.image.load(r"C:\Users\ga-sa\Downloads\As.png")
img1 = pygame.image.load(r"C:\Users\ga-sa\Downloads\03.png")
imgPos = img.get_rect(topleft = (20, 20))
imgPos1 = img1.get_rect(topleft = (60, 20))
current_image = None
LeftButton = 0
while 1:
for e in pygame.event.get():
if e.type == QUIT:
pygame.quit()
exit(0)
if e.type == pygame.MOUSEBUTTONDOWN:
if imgPos.collidepoint(e.pos):
current_image = 0
elif imgPos1.collidepoint(e.pos):
current_image = 1
else:
current_image = None
if e.type == MOUSEMOTION:
if e.buttons[LeftButton]:
rel = e.rel
if current_image == 0:
imgPos.x += rel[0]
imgPos.y += rel[1]
elif current_image == 1:
imgPos1.x += rel[0]
imgPos1.y += rel[1]
screen.fill(0)
screen.blit(img, imgPos)
screen.blit (img1, imgPos1)
pygame.display.flip()
pygame.time.delay(30)
See Creating multiple sprites with different update()'s from the same sprite class in Pygame for dragging pygame.sprite.Sprite objects.
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