Stellar Guard

Stellar Guard is a space shooter arcade game.
Players move their starship using touch inputs to shoot waves of alien vessels.
- Splash screen displays the title with zoom and alpha animation.
- Main menu screen provides navigation to start the mission, instructions, settings, and about.
- Game screen displays the active starship and invading alien cruisers.
- Settings screen allows toggling game sounds, music, and device vibration.
- How to play screen describes drag-to-steer and shoot touch inputs.
- About screen lists developer details and technology frameworks.
- Pause overlay suspends cosmic battles and offers choices to resume or quit.
- Level complete screen presents sector stats, XP progression, and stars.
- Game over screen displays the final score and high score comparison with instant restart.
- Ship navigation system handles starship coordinates based on drag touch inputs.
- Shooting system fires projectiles from the player ship automatically.
- Enemy AI spawns cruisers that move down the screen and fire projectiles.
- Power-ups system spawns items providing active shield protection, rapid fire fire-rate boosts, and EMP blast fields.
- Projectile manager handles coordinates, speeds, and bounds for player and enemy lasers.
- Particle system generates starship explosions and warp trail sparks on destruction.
- Camera shake updates coordinates on spaceship damage to shake the frame.
- Sound engine loops background music and triggers laser audio notes using static buffers.