#[macro_use]
extern crate approx;
extern crate cgmath;
extern crate collision;
use cgmath::*;
use collision::*;
#[test]
fn test_from_points() {
assert_eq!(Plane::from_points(Point3::new(5.0f64, 0.0f64, 5.0f64),
Point3::new(5.0f64, 5.0f64, 5.0f64),
Point3::new(5.0f64, 0.0f64, -1.0f64)),
Some(Plane::from_abcd(-1.0f64, 0.0f64, 0.0f64, 5.0f64)));
assert_eq!(Plane::from_points(Point3::new(0.0f64, 5.0f64, -5.0f64),
Point3::new(0.0f64, 5.0f64, 0.0f64),
Point3::new(0.0f64, 5.0f64, 5.0f64)),
None); }
#[test]
fn test_ray_intersection() {
let p0 = Plane::from_abcd(1f64, 0f64, 0f64, -7f64);
let r0: Ray3<f64> = Ray::new(Point3::new(2f64, 3f64, 4f64),
Vector3::new(1f64, 1f64, 1f64).normalize());
assert_eq!((p0, r0).intersection(), Some(Point3::new(7f64, 8f64, 9f64)));
let p1 = Plane::from_points(Point3::new(5f64, 0f64, 5f64),
Point3::new(5f64, 5f64, 5f64),
Point3::new(5f64, 0f64, -1f64))
.unwrap();
let r1: Ray3<f64> = Ray::new(Point3::new(0f64, 0f64, 0f64),
Vector3::new(-1f64, 0f64, 0f64).normalize());
assert_eq!((p1, r1).intersection(), None); }
#[test]
fn test_plane2_intersection() {
let p0 = Plane::new(Vector3::unit_x(), 1.0f64);
let p1 = Plane::new(Vector3::unit_y(), 2.0f64);
let ray = (p0, p1).intersection();
assert!(ray.is_some());
let ray = ray.unwrap();
assert_ulps_eq!(ray.origin.x, &1.0f64);
assert_ulps_eq!(ray.origin.y, &2.0f64);
assert_ulps_eq!(ray.origin.z, &0.0f64);
assert_ulps_eq!(ray.direction.x, &0.0f64);
assert_ulps_eq!(ray.direction.y, &0.0f64);
assert_ulps_eq!(ray.direction.z, &1.0f64);
let p0 = Plane::new(Vector3::unit_y(), 1.0f64);
let p1 = Plane::new(Vector3::unit_y(), 2.0f64);
let ray = (p0, p1).intersection();
assert!(ray.is_none());
}
#[test]
fn test_plane3_intersection() {
let p0 = Plane::new(Vector3::unit_x(), 1.0f64);
let p1 = Plane::new(Vector3::unit_y(), 2.0f64);
let p2 = Plane::new(Vector3::unit_z(), 3.0f64);
let point = (p0, p1, p2).intersection();
assert!(point.is_some());
let point = point.unwrap();
assert_ulps_eq!(point.x, &1.0f64);
assert_ulps_eq!(point.y, &2.0f64);
assert_ulps_eq!(point.z, &3.0f64);
let p0 = Plane::new(Vector3::unit_y(), 1.0f64);
let p1 = Plane::new(Vector3::unit_y(), 2.0f64);
let p2 = Plane::new(Vector3::unit_z(), 3.0f64);
let point = (p0, p1, p2).intersection();
assert!(point.is_none());
}