circleshape.py

import pygame
from constants import *

# Base class for game objects
class CircleShape(pygame.sprite.Sprite):
    def __init__(self, x, y, radius):
        # we will be using this later
        if hasattr(self, "containers"):
            super().__init__(self.containers)
        else:
            super().__init__()

        self.position = pygame.Vector2(x, y)
        self.velocity = pygame.Vector2(0, 0)
        self.radius = radius

    def draw(self, screen):
        # sub-classes must override
        pass

    def update(self, dt):
        # sub-classes must override
        pass
    
    def check_collision(self, other):
        distance = self.position.distance_to(other.position)
        if distance < self.radius + other.radius:
            return True
        return False
    
class Shot(CircleShape):
    def __init__(self, x, y):
        super().__init__(x, y, SHOT_RADIUS)
        
    def draw(self, screen):
        pygame.draw.circle(screen, "white", self.position, self.radius, 2)
        
    def update(self, dt):
        self.position += self.velocity * dt