32 lines
1 KiB
Python
32 lines
1 KiB
Python
import circleshape
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import pygame
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import constants
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import random
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class Asteroid(circleshape.CircleShape):
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containers = []
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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,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 <= constants.ASTEROID_MIN_RADIUS:
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return
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else:
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rand_angle = random.uniform(20, 50)
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new_velocity1 = self.velocity.rotate(rand_angle)
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new_velocity2 = self.velocity.rotate(-rand_angle)
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new_radius = self.radius - constants.ASTEROID_MIN_RADIUS
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asteroid1 = Asteroid(self.position.x, self.position.y, new_radius)
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asteroid1.velocity = new_velocity1 * 1.2
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asteroid2 = Asteroid(self.position.x, self.position.y, new_radius)
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asteroid2.velocity = new_velocity2 * 1.2
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