36 lines
981 B
Python
36 lines
981 B
Python
import pygame
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from circleshape import CircleShape
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from constants import *
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import random
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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, pygame.Color(255, 255, 255), self.position, self.radius, 2)
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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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angle = random.uniform(20, 50)
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new1 = Asteroid(self.position.x, self.position.y, self.radius - ASTEROID_MIN_RADIUS)
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new1.velocity = self.velocity
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new1.velocity = new1.velocity.rotate(angle)
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new1.velocity *= 1.2
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new2 = Asteroid(self.position.x, self.position.y, self.radius - ASTEROID_MIN_RADIUS)
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new2.velocity = self.velocity
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new2.velocity = new2.velocity.rotate(-angle)
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new2.velocity *= 1.2
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