Gemini 2.0 Flash Lite-Preview Generated Code

import pygame
import math
import random

# --- Constants ---
WIDTH, HEIGHT = 800, 600
FPS = 60
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GRAY = (100, 100, 100)
BALL_COLOR = (255, 0, 0)
HEXAGON_COLOR = GRAY

# --- Classes ---
class Ball:
    def __init__(self, x, y, radius, color):
        self.x = x
        self.y = y
        self.radius = radius
        self.color = color
        self.velocity_x = 0
        self.velocity_y = 0
        self.gravity = 0.2  # Strength of gravity
        self.friction = 0.02  # Friction coefficient

    def update(self, rotation_angle):
        # Apply gravity
        self.velocity_y += self.gravity

        # Apply friction (only on x-velocity)
        if self.velocity_x > 0:
            self.velocity_x -= self.friction
            if self.velocity_x < 0:
                self.velocity_x = 0
        elif self.velocity_x < 0:
            self.velocity_x += self.friction
            if self.velocity_x > 0:
                self.velocity_x = 0

        # Update position
        self.x += self.velocity_x
        self.y += self.velocity_y


    def draw(self, screen):
        pygame.draw.circle(screen, self.color, (int(self.x), int(self.y)), self.radius)



class Hexagon:
    def __init__(self, x, y, radius, color):
        self.x = x
        self.y = y
        self.radius = radius
        self.color = color
        self.rotation_angle = 0
        self.rotation_speed = 0.5  # Angle per frame

    def get_points(self):
        points = []
        for i in range(6):
            angle = math.radians(self.rotation_angle + i * 60)
            x = self.x + self.radius * math.cos(angle)
            y = self.y + self.radius * math.sin(angle)
            points.append((x, y))
        return points

    def update(self):
        self.rotation_angle += self.rotation_speed
        if self.rotation_angle >= 360:
            self.rotation_angle -= 360

    def draw(self, screen):
        points = self.get_points()
        pygame.draw.polygon(screen, self.color, points, 1)  # 1 for outline


    def check_collision_with_ball(self, ball):
        points = self.get_points()
        for i in range(6):
            p1 = points[i]
            p2 = points[(i + 1) % 6]  # Wrap around to the first point
            # Line segment to circle collision check:

            # 1. Project the ball's center onto the line segment
            dx = p2[0] - p1[0]
            dy = p2[1] - p1[1]
            if dx == 0 and dy == 0:  # If the points are the same (degenerate)
                continue # Skip the check

            segment_length_squared = dx * dx + dy * dy
            if segment_length_squared == 0:
                continue # Skip the check if the segment has zero length

            t = ((ball.x - p1[0]) * dx + (ball.y - p1[1]) * dy) / segment_length_squared

            # 2. Clamp t to be within the line segment's bounds (0 to 1)
            t = max(0, min(1, t))

            # 3. Find the closest point on the segment to the ball's center
            closest_x = p1[0] + t * dx
            closest_y = p1[1] + t * dy

            # 4. Calculate distance from the ball's center to the closest point
            distance_x = ball.x - closest_x
            distance_y = ball.y - closest_y
            distance_squared = distance_x * distance_x + distance_y * distance_y

            # 5. Collision Detection and Response
            if distance_squared <= ball.radius * ball.radius:
                # Collision detected!  Calculate normal and reflect.
                # Calculate the collision normal (vector perpendicular to the edge)
                nx = distance_x / math.sqrt(distance_squared)  # Normalize x component
                ny = distance_y / math.sqrt(distance_squared)  # Normalize y component

                # Calculate the dot product of the ball's velocity and the normal
                dot_product = ball.velocity_x * nx + ball.velocity_y * ny

                # Reflect the velocity vector.
                ball.velocity_x -= 2 * nx * dot_product
                ball.velocity_y -= 2 * ny * dot_product

                # Slight adjustment to prevent the ball from getting stuck
                ball.x += nx * (ball.radius - math.sqrt(distance_squared)) # Push ball out
                ball.y += ny * (ball.radius - math.sqrt(distance_squared))


# --- Initialize ---
pygame.init()
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Bouncing Ball in a Spinning Hexagon")
clock = pygame.time.Clock()

# --- Create Objects ---
ball = Ball(WIDTH // 2, HEIGHT // 2, 15, BALL_COLOR)
hexagon = Hexagon(WIDTH // 2, HEIGHT // 2, 150, HEXAGON_COLOR)

# --- Main Loop ---
running = True
while running:
    # --- Event Handling ---
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    # --- Update ---
    hexagon.update()
    ball.update(hexagon.rotation_angle)

    # Collision Detection
    hexagon.check_collision_with_ball(ball)


    # --- Draw ---
    screen.fill(BLACK)
    hexagon.draw(screen)
    ball.draw(screen)

    pygame.display.flip()

    # --- Control Frame Rate ---
    clock.tick(FPS)


# --- Quit ---
pygame.quit()