blit

问题 I'm trying to get my webcam to show video through pygame. Here is the code: # import the relevant libraries import time import pygame import pygame.camera from pygame.locals import * # this is where one sets how long the script # sleeps for, between frames.sleeptime__in_seconds = 0.05 # initialise the display window pygame.init() pygame.camera.init() screen = pygame.display.set_mode((640, 480), 0, 32) # set up a camera object cam = pygame.camera.Camera(0) # start the camera cam.start() while

问题 In my main file I have a surface called win . I import a module like so from draw import * . def draw(image,x,y): win.blit(image,(x,y)) This is a function from draw . It doesn't work because win is not defined. How to make it defined? 回答1: Add an additional parameter for the target surface to the function: def draw(target, image, x, y): target.blit(image, (x, y)) Pass win to the draw function: draw(win, image, x, y) Alternatively, you can create a variable in the module's global namespace:

问题 In my main file I have a surface called win . I import a module like so from draw import * . def draw(image,x,y): win.blit(image,(x,y)) This is a function from draw . It doesn't work because win is not defined. How to make it defined? 回答1: Add an additional parameter for the target surface to the function: def draw(target, image, x, y): target.blit(image, (x, y)) Pass win to the draw function: draw(win, image, x, y) Alternatively, you can create a variable in the module's global namespace:

问题 I'm quite new to Python and am trying to animate text using matplotlib. used several online examples to arrive at the following code: import matplotlib.pyplot as plt import matplotlib.animation as animation fig, ax = plt.subplots() plt.xlabel('Distance') plt.ylabel('Height') plt.title('Object Trajectory \n') plt.legend(loc="upper right", markerscale=4, fontsize=10) plt.grid() text=ax.text(3,1,'Moving Text', ha="left", va="bottom",clip_on=True,rotation=90,fontsize=15) text2=ax.text(0,1,'Moving

问题 In my game That I am making. I am trying to resolve this problem that I Have with the game over screen. the problem is when you die it says 'You died' then I put 'Play again' or 'Quit'. If you press Quit Obviously it quits the game but if you press Play again what I want it to do is to rerun the program. def text_objects(text, font): textSurface = font.render(text, True, black) return textSurface, textSurface.get_rect() def button(msg, x, y, w, h, ic, ac, action=None): mouse = pygame.mouse

问题 I am working on a small game (as a hobby) using Pygame. Before this I never worked on graphical interfaces and I am encountering some performance issues. Even in the options menu the FPS seem to be capped at around 110, which maybe doesn't sound that bad, but considering it is just a black screen with some text on it the FPS definitely should be higher. This is the code for one of the textboxes: font = pygame.font.SysFont("Comic Sans MS", 180) color = (0,60,20) screen.blit(font.render("Title"

问题 This question already has answers here : What is a good way to draw images using pygame? (4 answers) Closed 23 days ago . I'm trying to blit a PNG image onto a surface, but the transparent part of the image turns black for some reason, here's the simple code: screen = pygame.display.set_mode((800, 600), pygame.DOUBLEBUF, 32) world = pygame.Surface((800, 600), pygame.SRCALPHA, 32) treeImage = pygame.image.load("tree.png") world.blit(treeImage, (0,0), (0,0,64,64)) screen.blit(world, pygame.rect

问题 This question already has answers here : What is a good way to draw images using pygame? (4 answers) Closed 23 days ago . I'm trying to blit a PNG image onto a surface, but the transparent part of the image turns black for some reason, here's the simple code: screen = pygame.display.set_mode((800, 600), pygame.DOUBLEBUF, 32) world = pygame.Surface((800, 600), pygame.SRCALPHA, 32) treeImage = pygame.image.load("tree.png") world.blit(treeImage, (0,0), (0,0,64,64)) screen.blit(world, pygame.rect

问题 This question already has answers here : What is a good way to draw images using pygame? (4 answers) Closed 23 days ago . I'm trying to blit a PNG image onto a surface, but the transparent part of the image turns black for some reason, here's the simple code: screen = pygame.display.set_mode((800, 600), pygame.DOUBLEBUF, 32) world = pygame.Surface((800, 600), pygame.SRCALPHA, 32) treeImage = pygame.image.load("tree.png") world.blit(treeImage, (0,0), (0,0,64,64)) screen.blit(world, pygame.rect

问题 This question already has answers here : What is a good way to draw images using pygame? (4 answers) Closed 23 days ago . I'm trying to blit a PNG image onto a surface, but the transparent part of the image turns black for some reason, here's the simple code: screen = pygame.display.set_mode((800, 600), pygame.DOUBLEBUF, 32) world = pygame.Surface((800, 600), pygame.SRCALPHA, 32) treeImage = pygame.image.load("tree.png") world.blit(treeImage, (0,0), (0,0,64,64)) screen.blit(world, pygame.rect