import pygame


def rect_circle_collision(rect, circle):
    rect_x, rect_y, rect_w, rect_h = rect
    circle_x, circle_y, circle_r = circle

    # Calculate the closest point on the rectangle to the center of the circle
    closest_x = max(rect_x, min(circle_x, rect_x + rect_w))
    closest_y = max(rect_y, min(circle_y, rect_y + rect_h))

    # Calculate the distance between the center of the circle and the closest point on the rectangle
    dx = circle_x - closest_x
    dy = circle_y - closest_y
    distance = (dx ** 2 + dy ** 2) ** 0.5

    return distance <= circle_r


# Example usage
pygame.init()
rect = (100, 100, 200, 200)  # (x, y, width, height)
circle = (150, 150, 50)  # (x, y, radius)

if rect_circle_collision(rect, circle):
    print("Collision detected!")
else:
    print("No collision.")

pygame.quit()