programs in python

🌐 Samsung Mobile Animation

import pygame
import sys
import math
import random

def samsung_galaxy_mobile():
    # Screen size
    width, height = 360, 640
    pygame.init()
    screen = pygame.display.set_mode((width, height))
    pygame.display.set_caption("Samsung Mobile Animation")
    clock = pygame.time.Clock()

    # Colors
    BLACK = (0, 0, 0)
    BLUE = (0, 100, 255)
    WHITE = (255, 255, 255)

    # Stars data: x, y, size, base brightness
    stars = []
    for _ in range(100):
        stars.append([
            random.uniform(0, width),
            random.uniform(0, height),
            random.uniform(0.5, 2),   # star radius
            random.randint(150, 255)  # base brightness
        ])

    angle = 0
    radius = 0
    max_radius = 150
    running = True
    frame_count = 0

    # Font for "SAMSUNG"
    font = pygame.font.SysFont('Arial', 40, bold=True)
    
    while running:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False
        
        screen.fill(BLACK)

        # Animate stars with twinkling & slight vertical movement
        for star in stars:
            # twinkle brightness oscillates sinusoidally
            twinkle = star[3] + 50 * math.sin(frame_count * 0.1 + star[0])
            twinkle = max(150, min(255, twinkle))
            
            # slight vertical oscillation
            star[1] += 0.05 * math.sin(frame_count * 0.05 + star[0])
            if star[1] > height:
                star[1] = 0
            elif star[1] < 0:
                star[1] = height

            color = (int(twinkle), int(twinkle), int(twinkle))
            pygame.draw.circle(screen, color, (int(star[0]), int(star[1])), int(star[2]))

        # Grow the galaxy radius slowly
        if radius < max_radius:
            radius += 1.5  # slower growth for smoothness

        angle += 0.03  # rotation speed

        points = []
        for i in range(0, 360, 10):
            rad = math.radians(i + angle * 30)
            # Elliptical spiral for galaxy shape
            x = width // 2 + math.cos(rad) * radius * 0.85
            y = height // 2 + math.sin(rad) * radius * 0.55
            points.append((x, y))
        
        # Draw multiple concentric glowing polygons for galaxy effect
        for glow in range(3, 0, -1):
            alpha = max(0, 50 * glow * (radius / max_radius))  # fading glow
            glow_color = (0, 100, 255, int(alpha))  # semi-transparent blue
            
            # Pygame doesn't support alpha directly on lines, so draw thicker lines with fading color
            pygame.draw.polygon(screen, (0, 100, 255), points, width=glow)
        
        # Text fade-in and pulse effect
        pulse = (math.sin(frame_count * 0.1) + 1) / 2  # from 0 to 1
        alpha = int(255 * min(1, radius / max_radius))  # fade in with radius growth
        pulse_alpha = int(alpha * (0.7 + 0.3 * pulse))  # pulse between 70%-100% opacity
        
        # Render text with pulse alpha on a separate surface
        text_surface = font.render("SAMSUNG", True, WHITE)
        text_surface.set_alpha(pulse_alpha)
        text_rect = text_surface.get_rect(center=(width // 2, height // 2))
        screen.blit(text_surface, text_rect)

        pygame.display.flip()
        clock.tick(60)
        frame_count += 1

        if radius >= max_radius and frame_count > 300:
            running = False

    pygame.quit()
    sys.exit()

samsung_galaxy_mobile()

🔍 Output Preview

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