39 lines
1015 B
Python
39 lines
1015 B
Python
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import random
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import pygame
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from circleshape import CircleShape
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from constants import ASTEROID_MIN_RADIUS, LINE_WIDTH
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from logger import log_event
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class Asteroid(CircleShape):
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def __init__(self, x: float, y: float, radius: float) -> None:
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super().__init__(x, y, radius)
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def draw(self, screen: pygame.Surface) -> None:
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pygame.draw.circle(screen, "white", self.position, self.radius, LINE_WIDTH)
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def update(self, dt: float) -> None:
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self.position += self.velocity * dt
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def split(self) -> None:
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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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log_event("asteroid_split")
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angle = random.uniform(20, 50)
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v1 = self.velocity.rotate(angle)
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v2 = self.velocity.rotate(-angle)
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r = self.radius - ASTEROID_MIN_RADIUS
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a1 = Asteroid(self.position.x, self.position.y, r)
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a1.velocity = v1 * 1.2
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a2 = Asteroid(self.position.x, self.position.y, r)
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a2.velocity = v2 * 1.2
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