37 lines
1020 B
Python
37 lines
1020 B
Python
from circleshape import CircleShape
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import pygame
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import random
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from constants import ASTEROID_MIN_RADIUS
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class Asteroid(CircleShape):
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def __init__(self, x, y, radius):
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super().__init__(x,y, radius)
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def draw(self, screen):
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pygame.draw.circle(screen, (255,255,255), (self.position.x, self.position.y), self.radius)
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def update(self, dt):
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self.position += self.velocity * dt
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def split(self):
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self.kill()
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if self.radius <= ASTEROID_MIN_RADIUS:
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return
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else:
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angle = random.uniform(20, 50)
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rand_angle1 = self.position.rotate(angle)
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rand_angle2 = self.position.rotate(-angle)
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new_radius = self.radius - ASTEROID_MIN_RADIUS
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asteroid1 = Asteroid(self.position.x, self.position.y, new_radius)
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asteroid1.velocity = rand_angle1 * 1.2
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asteroid2 = Asteroid(self.position.x, self.position.y, new_radius)
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asteroid2.velocity = rand_angle2 * 1.2
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