43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
import pygame
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from Moon import MOON_ANGLE, Moon
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from compute import rot_2D
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APOLLO_DISTANCE = 40.0
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APOLLO_RADIUS = 5
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APOLLO_ANGLE = -2 * MOON_ANGLE
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RED = (255, 0, 0)
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class Apollo(Moon):
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"""Apollo kreist gegenläufig mit doppelter Winkelgeschwindigkeit um den Mond."""
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def __init__(self, title="Apollo", fps=60, size=(640, 400)):
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super().__init__(title, fps, size)
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def init_positions(self):
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super().init_positions()
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self.position_apollo = (APOLLO_DISTANCE, 0.0)
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self.rot_apollo = rot_2D(APOLLO_ANGLE)
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def update_positions(self):
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super().update_positions()
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self.position_apollo = self.rotate_point(self.position_apollo, self.rot_apollo)
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def draw_scene(self):
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super().draw_scene()
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self.draw_apollo()
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def draw_apollo(self):
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position = (
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self.position_moon[0] + self.position_apollo[0],
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self.position_moon[1] + self.position_apollo[1],
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)
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pygame.draw.circle(
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self.screen, RED, self.to_screen(position), APOLLO_RADIUS
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)
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if __name__ == "__main__":
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Apollo().run()
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