강의노트 원호 그리기

• arc

pygame.draw.rect(surface, color, rect, start, end, width=1)

• surface : 도형을 그릴 창
• color : 색
• rect : [ x, y, width, height ] 의 리스트
• start : 시작 각도
• end : 끝 각도
• width : 선의 굵기

import pygame
import numpy as np

pygame.init()
screen = pygame.display.set_mode((500,400))
clock = pygame.time.Clock()

white = (255,255,255)
black = (0,0,0)
pi = np.pi

running = True
rect  = [50,50,250,300]
while running:
    clock.tick(120)
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    screen.fill(white)
    pygame.draw.rect(screen,black,rect,1)
    pygame.draw.arc(screen,black,rect, 0, 3*pi/2,3)
    pygame.display.update()
pygame.quit()

draw arc

import pygame
from math import pi

pygame.init( )

#색상 정의
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
#화면크기
size = [400, 300]
screen = pygame.display.set_mode(size)
pygame. display.set_caption(”호 그리기”)
#메인루프
running = False
clock = pygame.time.CIock( )
while running:
    clock.tick(10)
    for event in pygame.event.get( ):
        if event.type == pygame.QUIT:
            running = False  # 루프를 탈출하기 위한 변수값 설정
            
    #배경지우기
    screen.fill(WHITE)
    
    #호그리기
    #pi : 3. 7 4 7 592653589 793
    pygame.draw.arc(screen, BLACK, [75, 75, 150, 150], 0, pi/2, 2)
    pygame.draw.arc(screen, GREEN, [75, 75, 150, 150], pi/2, pi, 4)
    pygame.draw.arc(screen, BLUE, [75, 75, 150, 150], pi, 3*pi/2, 6)
    pygame.draw.arc(screen, RED, [75, 75, 150, 150], 3*pi/2, 2*pi, 8)
    pygame.display.flip( )
pygame.quit( )

반원 호 반복 그리기

import pygame
from math import pi
from random import *

pygame.init( )

#색설정
WHITE = (255, 255, 255)

#화면설정
size = [400, 300]
screen = pygame.display.set_mode(size)
pygame.display.set_caption(”호 그리기”)
#메인루프
running = True
clock= pygame.time.Clock()

while running:
    clock.tick(2)
    
    for event in pygame.event.get( ):
        if event.type== pygame.QUIT:
            running = False # 루프 탈출 변수 설정
    screen.fill(WHITE)
    
    #타원그리기
    #pi= 3.147592653589793, math 모률 Imp。rt!!
    for cord_x in range (0, 360, 100):
        pygame.draw.arc(screen, (randint(0,255), randint(0,255), randint(0, 255)), [cord_x, 30, 50, 50], 0, pi/2, 4)
        pygame.draw.arc(screen, (randint(0,255), randint(0,255), randint(0, 255)), [cord_x, 30, 50, 50], pi/2, pi, 4)
        pygame.draw.arc(screen, (randint(0,255), randint(0,255), randint(0, 255)), [cord_x+50, 30, 50, 50], pi,3*pi/2, 4)
        pygame.draw.arc(screen, (randint(0,255), randint(0,255), randint(0, 255)), [cord_x+50, 30, 50, 50], 3*pi/2, 2*pi, 4)
    pygame.display.flip( )
pygame.quit( )