| 0,0 → 1,42 |
|---|
| # center: 10043 |
| import pygame |
| if '.' in str(1.0): |
| import pygame.locals |
| |
| SW,SH = 120,120 |
| |
| def julia(s,ca,cb): |
| pal = [((min(255,v)),(min(255,v*3/2)),(min(255,v*2))) for v in range(0,256)] |
| for y in range(0,SH): |
| for x in range(0,SW): |
| i=0 |
| a=((float(x)/SW) * 4.0 - 2.0) |
| b=((float(y)/SH) * 4.0 - 2.0) |
| while i < 15 and (a*a)+(b*b)<4.0: |
| na=(a*a)-(b*b)+ca |
| nb=(2.0*a*b)+cb |
| a=na |
| b=nb |
| i = i +1 |
| s.set_at((x,y),pal[i*16]) |
| |
| def main(): |
| pygame.init() |
| s = pygame.display.set_mode((SW,SH),0,32) |
| _quit = False |
| while not _quit: |
| for e in pygame.event.get(): |
| if e.type in (pygame.locals.QUIT,pygame.locals.KEYDOWN): |
| _quit = True |
| |
| x,y = pygame.mouse.get_pos() |
| ca=((float(x)/SW) * 2.0 - 1.0) |
| cb=((float(y)/SH) * 2.0 - 1.0) |
| ticks = pygame.time.get_ticks() |
| julia(s,ca,cb) |
| print(pygame.time.get_ticks()-ticks) |
| pygame.display.flip() |
| |
| |
| if __name__ == '__main__': |
| main() |