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use std::marker::PhantomData;
use cgmath::BaseNum;
use cgmath::{EuclideanSpace, Point2, Point3};
use cgmath::{VectorSpace, Vector2, Vector3};
#[derive(Copy, Clone, PartialEq)]
#[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
pub struct Ray<S, P, V> {
pub origin: P,
pub direction: V,
phantom_s: PhantomData<S>
}
impl<S, V, P> Ray<S, P, V>
where S: BaseNum,
V: VectorSpace<Scalar=S>,
P: EuclideanSpace<Scalar=S, Diff=V>
{
pub fn new(origin: P, direction: V) -> Ray<S, P, V> {
Ray {
origin: origin,
direction: direction,
phantom_s: PhantomData
}
}
}
pub type Ray2<S> = Ray<S, Point2<S>, Vector2<S>>;
pub type Ray3<S> = Ray<S, Point3<S>, Vector3<S>>;