pygame-gpt4o.py

import pygame
import math

# Initialize Pygame
pygame.init()

# Screen dimensions and setup
WIDTH, HEIGHT = 800, 600
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Concentric Circles Animation")

# Colors
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
BLUE = (0, 0, 255)

# Clock for controlling frame rate
clock = pygame.time.Clock()

# Circle properties
CENTER = (WIDTH // 2, HEIGHT // 2)
OUTER_RADIUS = 150
INNER_RADIUS = 20
angular_velocity = 0.05  # radians per frame
angle = 0  # Initial angle

# Main loop
running = True
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    # Clear screen
    screen.fill(BLACK)

    # Update angle for outer circle rotation
    angle += angular_velocity

    # Calculate inner circle position
    inner_x = CENTER[0] + OUTER_RADIUS * math.cos(angle)
    inner_y = CENTER[1] + OUTER_RADIUS * math.sin(angle)

    # Draw outer circle
    pygame.draw.circle(screen, BLUE, CENTER, OUTER_RADIUS, 2)

    # Draw inner circle
    pygame.draw.circle(screen, RED, (int(inner_x), int(inner_y)), INNER_RADIUS)

    # Update display
    pygame.display.flip()

    # Cap the frame rate
    clock.tick(60)

# Quit Pygame
pygame.quit()