92 lines
No EOL
3.2 KiB
Python
92 lines
No EOL
3.2 KiB
Python
#!/usr/bin/python3
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import pygame
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from math import radians,cos,sin
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pygame.init()
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## funktionen
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def get_debug_text():
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def text(text,line_counter):
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debug_text = debug_font.render(str(text), True, (255,255,255))
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screen.blit(debug_text,(0,line_counter*debug_font.get_height()))
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line_counter = 1
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globalvars = globals()
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for a in globalvars:
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text(f"{str(a)} = {str(globalvars[a])}",line_counter)
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line_counter += 1
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def get_best_size():
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if screensize[0] <= screensize[1]:
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best = screensize[0]
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else:
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best = screensize[1]
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return best
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## klassen
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## variablen
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screen = pygame.display.set_mode((300,300),pygame.RESIZABLE)
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pygame.display.set_caption("Lissajous Figures")
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screensize = pygame.display.get_window_size()
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clock = pygame.time.Clock()
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debug_font = pygame.font.SysFont("sans", 14)
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default_font = pygame.font.SysFont(pygame.font.get_default_font(), 25)
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mitte_pos = screensize[0]//2,screensize[1]//2
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frequ1 = 1
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frequ2 = 1
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phasenverschiebung = 90
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phasenverschiebungspeed = 1
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scale = (get_best_size()-10)//2
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preview_pos = 0,0
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show_debug = False
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running = True
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if __name__ == "__main__":
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while running:
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## key managment
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pressed_keys = pygame.key.get_pressed()
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if pressed_keys[pygame.K_ESCAPE]:
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exit()
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if pressed_keys[pygame.K_d] and not preview_pressed_keys[pygame.K_d]:
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show_debug = not show_debug
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if pressed_keys[pygame.K_UP] and not preview_pressed_keys[pygame.K_UP]:
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frequ1 += 1
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if pressed_keys[pygame.K_DOWN] and not preview_pressed_keys[pygame.K_DOWN] and frequ1 >=1:
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frequ1 -= 1
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if pressed_keys[pygame.K_RIGHT] and not preview_pressed_keys[pygame.K_RIGHT]:
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frequ2 += 1
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if pressed_keys[pygame.K_LEFT] and not preview_pressed_keys[pygame.K_LEFT] and frequ2>=1:
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frequ2 -= 1
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if pressed_keys[pygame.K_PLUS] and not preview_pressed_keys[pygame.K_PLUS]:
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phasenverschiebungspeed += 0.05
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if pressed_keys[pygame.K_MINUS] and not preview_pressed_keys[pygame.K_MINUS] and phasenverschiebungspeed>=0:
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phasenverschiebungspeed -= 0.05
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preview_pressed_keys = pressed_keys
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## event managment
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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exit()
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if event.type == pygame.WINDOWRESIZED:
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screensize = pygame.display.get_window_size()
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mitte_pos = screensize[0]//2,screensize[1]//2
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scale = (get_best_size()-10)//2
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if show_debug:
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get_debug_text()
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phasenverschiebung += phasenverschiebungspeed
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if phasenverschiebung >= 360:
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phasenverschiebung = 0
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for r in range(360):
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pos = (sin(radians(frequ1*(r+phasenverschiebung)))*scale)+mitte_pos[0],(cos(radians(frequ2*r))*scale)+mitte_pos[1]
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pygame.draw.line(screen,(0,255,0),preview_pos,pos,3)
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preview_pos = pos
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frequs_txt = default_font.render(f"Speed = {phasenverschiebungspeed} X = {frequ1} Y = {frequ2}", True, (255,255,255))
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screen.blit(frequs_txt,(0,0))
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## bildschirm aktuallisierung
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pygame.display.flip()
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clock.tick(60)
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screen.fill((0,0,0)) |