#[macro_use]
extern crate approx;
extern crate cgmath;
#[cfg(feature = "eders")]
extern crate serde_json;
use cgmath::*;
#[test]
fn test_invert() {
let v = Vector3::new(1.0f64, 2.0, 3.0);
let t = Decomposed {
scale: 1.5f64,
rot: Quaternion::new(0.5f64, 0.5, 0.5, 0.5),
disp: Vector3::new(6.0f64, -7.0, 8.0),
};
let ti = t.inverse_transform().expect("Expected successful inversion");
let vt = t.transform_vector(v);
assert_ulps_eq!(&v, &ti.transform_vector(vt));
}
#[test]
fn test_look_at() {
let eye = Point3::new(0.0f64, 0.0, -5.0);
let center = Point3::new(0.0f64, 0.0, 0.0);
let up = Vector3::new(1.0f64, 0.0, 0.0);
let t: Decomposed<Vector3<f64>, Quaternion<f64>> = Transform::look_at(eye, center, up);
let point = Point3::new(1.0f64, 0.0, 0.0);
let view_point = Point3::new(0.0f64, 1.0, 5.0);
assert_ulps_eq!(&t.transform_point(point), &view_point);
}
#[cfg(feature = "eders")]
#[test]
fn test_serialize() {
let t = Decomposed {
scale: 1.5f64,
rot: Quaternion::new(0.5f64, 0.5, 0.5, 0.5),
disp: Vector3::new(6.0f64, -7.0, 8.0),
};
let serialized = serde_json::to_string(&t).unwrap();
let deserialized: Decomposed<Vector3<f64>, Quaternion<f64>> = serde_json::from_str(&serialized).unwrap();
assert_ulps_eq!(&t, &deserialized);
}