sp2 0.3.0

2D spatial transforms and movement representations using geometric algebra
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# SP2 - 2D Spatial Transforms

[![Crates.io](https://img.shields.io/crates/v/sp2.svg)](https://crates.io/crates/sp2)
[![Docs](https://docs.rs/sp2/badge.svg)](https://docs.rs/sp2)
[![License](https://img.shields.io/crates/l/sp2.svg)](https://crates.io/crates/sp2)

Minimal 2D spatial transforms using geometric algebra.

## Features

- `Transform`: Translation and orientation with full operator support
- `Movement`: Velocity and rotation representation
- Geometric algebra-based operations

## Example

```rust
use ga2::{Bivector, Vector};
use sp2::{Movement, Transform};

let mut transform = Transform {
    translation: Vector::new(1.0, 2.0),
    orientation: Vector::x(1.0) * Vector::y(1.0),
};

let movement = Movement {
    velocity: Vector::new(-1.0, 0.0),
    rotation: Bivector::new(1.0),
};

transform += movement;

assert_eq!(transform.translation, Vector::new(0.0, 2.0));
```