pygame 图形 

 1 #!/usr/bin/python
 2 # -*- coding: UTF-8 -*-
 3 # python 27
 4 
 5 import pygame, sys, random
 6 from pygame.color import THECOLORS
 7 pygame.init()
 8 screen = pygame.display.set_mode([640, 480])
 9 screen.fill([255,255,255])
10 for i in range(50):
11     w = random.randint(1, 250)
12     h = random.randint(0, 100)
13     t = random.randint(0, 400)
14     l = random.randint(0, 500)
15     o = random.randint(1, 2)
16     color_name = random.choice(THECOLORS.keys())
17     color = THECOLORS[color_name]
18     pygame.draw.rect(screen, color, [w, h, t, l], o)
19 pygame.display.flip()
20 running = True
21 while running:
22     for event in pygame.event.get():
23         if event.type == pygame.QUIT:
24             running = False
25 pygame.quit()
 1 #!/usr/bin/python
 2 # -*- coding: UTF-8 -*-
 3 # python 27
 4 
 5 import pygame, sys
 6 import math
 7 pygame.init()
 8 screen = pygame.display.set_mode([640,480])
 9 screen.fill([225, 225, 225])
10 plotpoints = []
11 for x in range(0, 640):# 从左到右循环(x=0到639)
12     y = int(math.sin(x/640.0 * 4 * math.pi) * 200 + 240)# 计算每个点的y坐标
13     plotpoints.append([x, y])# 将各个点添加到列表
14 pygame.draw.lines(screen, [0, 0, 0],False, plotpoints, 2)# 用draw.lines()函数画出整条曲线
15 pygame.display.flip()
16 running = True
17 while running:
18     for event in pygame.event.get():
19         if event.type == pygame.QUIT:
20             running = False
21 pygame.quit()
 1 #!/usr/bin/python
 2 # -*- coding: UTF-8 -*-
 3 # python 27
 4 
 5 import pygame, sys
 6 pygame.init()
 7 
 8 # 各个点的坐标
 9 dota = [[221, 432], [22, 331], [133, 342], [141, 310],
10         [51, 230], [74, 217], [58, 153], [114, 164],
11         [123, 135], [176, 190], [159, 77],[193, 93],
12         [230, 28], [267, 93], [301, 77], [284, 190],
13         [327, 135], [336, 164],[402, 153], [386, 217],
14         [409, 230], [319, 310], [327, 342], [233, 331],
15         [237, 432]]
16 
17 screen = pygame.display.set_mode([640, 480])
18 screen.fill([255, 255, 255])
19 pygame.draw.lines(screen, [255, 0, 0],True, dota, 2)# 连接每个点  close=True
20 pygame.display.flip()
21 running = True
22 while running:
23     for event in pygame.event.get():
24         if event.type == pygame.QUIT:
25             running = False
26 pygame.quit()

      如果想改变一个像素的颜色，可以不使用 draw 函数，而利用 Surface.set_at() 方法访问一个表面上的单个像素。你要指出希望设置哪个像素，以及设置成什么颜色：

Surface.set_at([x, y], [0, 0, 0]).

    还可以用  Surface.set_at() 方法检查一个像素设置为什么颜色。只需要传入你想要检查的那个像素的坐标，比如： pixel_color = screen.get_at([320, 240]) 。screen是表面的名字。

posted on 2018-01-29 13:42  新手爱好者  阅读(237)  评论(0)  编辑  收藏  举报

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