Day-17 - 作业（2018-10-22）

画头像：

import pygame

pygame.init()
screen = pygame.display.set_mode((600, 400))
screen.fill((150, 150, 150))
screen_rect = screen.get_rect()

pygame.draw.circle(screen, (200, 100, 250), screen_rect.center, 120, 3)
pygame.draw.circle(screen, (200, 100, 250), screen_rect.center, 130, 3)

points = [(screen_rect.centerx, screen_rect.centery-120),
          (screen_rect.centerx-3**0.5/2*120, screen_rect.centery+1/2*120),
        (screen_rect.centerx+3**0.5/2*120, screen_rect.centery+1/2*120),
          ]
points2 = [(screen_rect.centerx, screen_rect.centery+120),
          (screen_rect.centerx-3**0.5/2*120, screen_rect.centery-1/2*120),
        (screen_rect.centerx+3**0.5/2*120, screen_rect.centery-1/2*120),
          ]

pygame.draw.lines(screen, (200, 100, 250), True, points, 3)
pygame.draw.lines(screen, (200, 100, 250), True, points2, 3)
pygame.draw.circle(screen, (200, 100, 250), screen_rect.center, 60, 3)
pygame.display.flip()

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            exit()

画板：(不完全）

import pygame
import random

rand_color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255),)

pygame.init()
screen = pygame.display.set_mode((600, 400))
screen.fill((255, 255, 255))
pygame.display.flip()

line_s_pos = (0, 0)
line_e_pos = (0, 0)
circle_pos = (0, 0)
cu_mode = 1
flag = False

while True:


    for event in pygame.event.get():

        if event.type == pygame.QUIT:
            exit()

        elif event.type == pygame.MOUSEBUTTONDOWN:
            flag = True
            # screen.fill((255, 255, 255))
            line_s_pos = event.pos
            line_e_pos = event.pos
            circle_pos = event.pos
            # ellipse_x = event.pos[0]
            # ellipse_y = event.pos[y]
            # line1 = pygame.draw.line(screen, rand_color, line_s_pos,
            #                          line_e_pos, 3)
            # pygame.display.update()

        elif event.type == pygame.MOUSEMOTION:
            # screen.fill((255, 255, 255))
            line_e_pos = event.pos
            radius = ((event.pos[0]-circle_pos[0])**2 + (event.pos[1]-circle_pos[1])**2)**0.5
            # line1 = pygame.draw.line(screen, rand_color, line_s_pos,
            #                          line_e_pos, 3)
            # pygame.display.update()

        elif event.type == pygame.MOUSEBUTTONUP:
            flag = False
            radius = 0
            # screen.fill((255, 255, 255))
            # line_e_pos = event.pos
            # radius = ((event.pos[0] - circle_pos[0]) ** 2 + (event.pos[1] - circle_pos[1]) ** 2) ** 0.5
            # line1 = pygame.draw.line(screen, rand_color, line_s_pos,
            #                          line_e_pos, 3)
            # pygame.display.update()

        elif event.type == pygame.KEYDOWN:
            if chr(event.key) == 'r':
                cu_mode += 1



        # screen.fill((255, 255, 255))
        if flag and cu_mode%3 == 1:
            screen.fill((255, 255, 255))
            line1 = pygame.draw.line(screen, rand_color, line_s_pos, line_e_pos, 3)
            pygame.display.update()

        if flag and cu_mode%3 == 2:
            screen.fill((255, 255, 255))
            line1 = pygame.draw.circle(screen, rand_color, circle_pos, int(radius), 0)
            pygame.display.update()

        # if flag and cu_mode%3 == 3:
        #     screen.fill((255, 255, 255))
        #     line1 = pygame.draw.ellipse(screen, rand_color, circle_pos, int(radius), 0)
        #     pygame.display.update()