simple-menu

"I click button, I happy."

A ridiculously over-engineered, lightweight menu playground and bouncing dot simulator written in Rust with Macroquad.

It kind of looks like 2001 in a nutshell, but now with clap CLI arguments and release profile optimizations that treat 20 bouncing circles like a AAA physics engine.

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What is this?

Calling it a "game" is definitely a stretch, but it has three screens and buttons you can click:

• Main Menu: Shows the version and a big START button. When you click it, it prints game started! to stdout and throws you into the action.
• Game Prototype: A gray box with "Cute Dots" bouncing around inside. If 20 dots aren't enough, smash the dots + button to spawn more.
• Settings: A placeholder paradise where you can cycle the background through Purple, Red, Green, Blue, and Pink, or toggle Developer Mode.

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Over-Engineered Improvements

Recently forked and given far more engineering discipline than a dot simulator probably deserves:

• Clap CLI integration: You can now pass --dev-mode directly from your terminal to launch straight into the developer HUD.
• Aggressive compiler optimizations: Configured Cargo.toml with opt-level = 3, lto = "fat", codegen-units = 1, panic = "abort", and strip = true. Because 20 bouncing dots deserve bare-metal performance.
• Modular crate split: Decoupled src/lib.rs from src/main.rs. Now CurrentState, BgColor, and CuteDot live in their own library crate.
• Developer HUD: Displays live mouse coordinates (x, y), total dot count, and an FPS counter that updates every 10 frames to avoid burning out your screen.

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Running It

Make sure you have Rust installed.

# Clone the repository
git clone https://github.com/Jacob-Dayan/simple-menu.git
cd simple-menu

# Run it
cargo run

CLI Options

Thanks to clap, there are actual command-line flags:

# Launch directly with the developer overlay active
cargo run -- --dev-mode

# Print version
cargo run -- --version

# Print help
cargo run -- --help

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How to "Play"

Screen	Buttons	What happens
Main Menu	START	Takes you to the simulation.
Game	dots +	Spawns another dot.
Game	Settings	Opens the settings.
Settings	Choose color	Cycles background color.
Settings	Dev: true/false	Toggles the HUD showing FPS and mouse coordinates.
Settings	Back to game	Takes you back to the bouncing dots.

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Tech Stack

• Rust (2024 edition)
• Macroquad (for rendering windows, rectangles, and circles)
• Clap (for parsing two CLI flags with maximum type safety)

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License

MIT. Do whatever you want with it.