My proposal

name: Chaewon Lee
student ID: 20220552
URL

Describe the game

what does the user have to accomplish? How do you win or lose? What type of interactions are possible?

Orb.io is a 3D survival game inspired by .io-style games, particularly Slither.io, reinterpreted in a three-dimensional visual environment.

The player controls a glowing sphere moving through a dark space filled with smaller orbs. While the gameplay mechanics are based on classic snake-like systems, the game presents them using 3D rendering and spatial depth.

Objective

The player's goal is to survive as long as possible while collecting glowing orbs to increase their score and grow in size.

Core Mechanics

The player moves continuously across a 3D environment (constrained to a flat plane for clarity and control).
Small glowing orbs are scattered throughout the space.
When the player collects an orb, their score increases and their body grows longer.
The player leaves behind a trail of body segments that follow the head, forming a snake-like structure.
As the player grows, navigation becomes more difficult due to increased length and space constraints.

Win / Lose Conditions

There is no fixed win condition. The game is endless, and success is measured by the player's score and survival time.
The player loses if:
- They collide with their own body
- They hit obstacles or boundaries in the environment

Player Interactions

The player can:

Control movement using keyboard (WASD or arrow keys) or mouse input
Collect orbs to grow and gain points
Avoid collisions with their own body and obstacles
Restart the game after losing

The gameplay loop is simple and repetitive: Play → Collect → Grow → Avoid → Fail → Restart

The simplicity of the mechanics allows for immediate understanding, while increasing difficulty creates tension and replayability.

How will the game look like?

What are the game elements (e.g. characters, world, interface) and how will they be implemented in code (e.g., modules, classes, objects, functions)? Feel free to use diagrams, flow-charts or any other visual representation to show your plan.

The game will feature a dark 3D environment with glowing spheres as the main visual elements, creating a clean and immersive experience.

Game Elements

Player: glowing sphere with trailing body segments
Orbs: collectible glowing spheres
Obstacles: larger objects that cause collision
World: bounded arena on a flat plane
UI: score, best score, start and game over screens

Code Structure

The game will be organized into simple modules:

main.js
├── GameManager
├── Player
├── Orb
├── Obstacle
└── UI

Player: movement, growth, collision
Orb: spawning and collection
Obstacle: collision handling
GameManager: game state, score, restart
UI: display elements

Gameplay Flow

Technical Approach

Built using Three.js for 3D rendering
Movement constrained to a plane for simplicity
Objects managed using classes and arrays
Collision detection using distance checks

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