如何在没有当前命令的情况下在 pygame 中旋转图像(没有 *pygame.transform.rotate* 命令)?

问题描述

import pygame
SIZE = 1000, 900
pygame.init()
screen = pygame.display.set_mode(SIZE)
a=0
done = False
screen.fill((0, 0, 0))
other1 = pygame.image.load("image.jpg")
screen.blit(other1, (0, 0))
while not done:

    for event in pygame.event.get():
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                a=a+90
                other2 = pygame.transform.rotate(other1, a)
                screen.blit(other2, (0, 0))
            if event.key == pygame.K_RIGHT:
                a=a-90
                other2 = pygame.transform.rotate(other1, a)
                screen.blit(other2, (0, 0))
    screen.fill((0,0,0))
    pygame.display.flip()

推荐答案

Oneliner using numpy:

One liners using numpy:

顺时针

pygame.surfarray.make_surface(numpy.rot90(pygame.surfarray.array2d(other1)))

逆时针

pygame.surfarray.make_surface(numpy.rot90(pygame.surfarray.array2d(other1), 3))

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