pinecrew / linal Goto Github PK

Add changelog to readme or in special file (markdown?)

add script to build and upload docs with travis

Rewrite code to generic types.

To write code with generic types we need use Zero trait, but it unstable for now.

Basic Vec3 support with cross product and dual basis.

Just checklist for tracking:

• remove anything about Point
• write description for modules:
  • vec2
  • vec3
  • lib

I add Cross trait for same syntax in two different cases:

let a = Vec2::new(...);
let b = Vec2::new(...);
let c = 1f64; // orthogonal to plane vector with length 1
a.cross(b); // return f64
a.cross(c); // return Vec2

But explicit import of trait is bad. And we can remove trait with new approach to cross in 2d:

impl Vec2 {
...
pub fn cross(self) -> Vec2 {
    return Vec2::new(self.y, -self.x)
}
...
}
...
let a = Vec2::new(...);
let b = Vec2::new(...);
let c = 1f64; // orthogonal to plane vector with length 1
a.dot(b.cross()); // or b.cross().dot(a) is an old a.cross(b)
a.cross()*c; // a.cross(c)

It maybe necessary to separate points and vectors, but in general methods of Point are subset of Vec2 methods. And it can be removed in future.