bounding_rectangle参数可以是pygame.Rect对象或四个整数的元组。请注意,您不像对pygame.draw.circle()函数那样为椭圆指定中心点。 pygame.draw.rect(surface, color, rectangle_tuple, width) - 此函数绘制矩形。rectangle_tuple可以是四个整数的元组(用于左上角的 XY 坐标,以及宽度和高度),也可以传递pygame.Rect对象。
type == p.QUIT: # If user clicked close finish = True # Flag that we are done so we exit this loop # Set the screen background WINDOW.fill(BLACK) # Process each snow flake in the list for eachSnow in range(len(snowArray)): # Draw the snow flake p.draw.circle(WINDOW, color_c...
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defmean_second_derivative_central(x):x = np.asarray(x)return(x[-1] - x[-2] - x[1] + x[0]) / (2* (len(x) -2))iflen(x) >2elsenp.NaN defroot_mean_square(x):returnnp.sqrt(np.mean(np.square(x)))iflen(x) >0elsenp.Na...
draw.point((x, y), fill=rndColor()) # 输出文字: fortinrange(6): draw.text((60* t +10,150), rndChar(), font=font, fill=rndColor2()) # 模糊: image = image.filter(ImageFilter.BLUR) image.save('code.jpg','jpeg') 验证码 ...
# Bokeh Libraryfrom bokeh.models import HoverTool# Format the tooltiptooltips = [ ('Player','@name'), ('Three-Pointers Made', '@play3PM'), ('Three-Pointers Attempted', '@play3PA'), ('Three-Point Percentage','@pct3PM{00.0%}'), ]# Add the HoverTool to the figurefig.add_tools(Hov...
In order to change the above code to draw polygons, we need to take into account some concepts in geometry. As you can see, with each turn, the turtle moves through a certain angle, specified by right(angle). This is the exterior angle of the polygon, which is the same as 360/n,...
我们首先创建一个QThread对象,然后使用SlowSearcher.moveToThread()方法将我们的SlowSearcher对象移动到新线程中。moveToThread()是QObject的一个方法,由任何子类QObject的类继承。 接下来,我们将搜索器的finished信号连接到线程的quit槽;这将导致线程在搜索完成时停止执行。由于搜索线程不是我们主要的执行线程的一部分,...
绘制第一个正方形draw_square(side_length)# 移动到下一个位置，距离为边长square_turtle.penup()# ...
[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-QsRlhoyY-1681961425704)(https://gitcode.net/apachecn/apachecn-cv-zh/-/raw/master/docs/handson-imgproc-py/img/ad15e7a2-2613-449f-a932-93a20c55063d.png)] 使用skimage.filters.rank中的maximum()和minimum()功能,实现灰度...