4c58e37910
The `look_at` method itself has been split into a right-handed and a left-handed variant: `look_at_rh` and `look_at_lh`. Fix #171, #158, #88, #79.
281 lines
10 KiB
Rust
281 lines
10 KiB
Rust
extern crate nalgebra as na;
|
|
extern crate rand;
|
|
|
|
use rand::random;
|
|
use na::{Pnt2, Pnt3, Vec2, Vec3, Vec1, Rot2, Rot3, Persp3, PerspMat3, Ortho3, OrthoMat3,
|
|
Iso2, Iso3, Sim2, Sim3, BaseFloat, Transform};
|
|
|
|
#[test]
|
|
fn test_rotation2() {
|
|
for _ in 0usize .. 10000 {
|
|
let randmat: na::Rot2<f64> = na::one();
|
|
let ang = Vec1::new(na::abs(&random::<f64>()) % <f64 as BaseFloat>::pi());
|
|
|
|
assert!(na::approx_eq(&na::rotation(&na::append_rotation(&randmat, &ang)), &ang));
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_inv_rotation3() {
|
|
for _ in 0usize .. 10000 {
|
|
let randmat: Rot3<f64> = na::one();
|
|
let dir: Vec3<f64> = random();
|
|
let ang = na::normalize(&dir) * (na::abs(&random::<f64>()) % <f64 as BaseFloat>::pi());
|
|
let rot = na::append_rotation(&randmat, &ang);
|
|
|
|
assert!(na::approx_eq(&(na::transpose(&rot) * rot), &na::one()));
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_rot3_rotation_between() {
|
|
let r1: Rot3<f64> = random();
|
|
let r2: Rot3<f64> = random();
|
|
|
|
let delta = na::rotation_between(&r1, &r2);
|
|
|
|
assert!(na::approx_eq(&(delta * r1), &r2))
|
|
}
|
|
|
|
#[test]
|
|
fn test_rot3_angle_between() {
|
|
let r1: Rot3<f64> = random();
|
|
let r2: Rot3<f64> = random();
|
|
|
|
let delta = na::rotation_between(&r1, &r2);
|
|
let delta_angle = na::angle_between(&r1, &r2);
|
|
|
|
assert!(na::approx_eq(&na::norm(&na::rotation(&delta)), &delta_angle))
|
|
}
|
|
|
|
#[test]
|
|
fn test_rot2_rotation_between() {
|
|
let r1: Rot2<f64> = random();
|
|
let r2: Rot2<f64> = random();
|
|
|
|
let delta = na::rotation_between(&r1, &r2);
|
|
|
|
assert!(na::approx_eq(&(delta * r1), &r2))
|
|
}
|
|
|
|
#[test]
|
|
fn test_rot2_angle_between() {
|
|
let r1: Rot2<f64> = random();
|
|
let r2: Rot2<f64> = random();
|
|
|
|
let delta = na::rotation_between(&r1, &r2);
|
|
let delta_angle = na::angle_between(&r1, &r2);
|
|
|
|
assert!(na::approx_eq(&na::norm(&na::rotation(&delta)), &delta_angle))
|
|
}
|
|
|
|
|
|
#[test]
|
|
fn test_look_at_rh_iso3() {
|
|
for _ in 0usize .. 10000 {
|
|
let eye = random::<Pnt3<f64>>();
|
|
let target = random::<Pnt3<f64>>();
|
|
let up = random::<Vec3<f64>>();
|
|
let viewmat = Iso3::look_at_rh(&eye, &target, &up);
|
|
|
|
let origin: Pnt3<f64> = na::orig();
|
|
assert_eq!(&(viewmat * eye), &origin);
|
|
assert!(na::approx_eq(&na::normalize(&(viewmat * (target - eye))), &-Vec3::z()));
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_look_at_rh_rot3() {
|
|
for _ in 0usize .. 10000 {
|
|
let dir = random::<Vec3<f64>>();
|
|
let up = random::<Vec3<f64>>();
|
|
let viewmat = Rot3::look_at_rh(&dir, &up);
|
|
|
|
println!("found: {}", viewmat * dir);
|
|
assert!(na::approx_eq(&na::normalize(&(viewmat * dir)), &-Vec3::z()));
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_observer_frame_iso3() {
|
|
for _ in 0usize .. 10000 {
|
|
let eye = random::<Pnt3<f64>>();
|
|
let target = random::<Pnt3<f64>>();
|
|
let up = random::<Vec3<f64>>();
|
|
let observer = Iso3::new_observer_frame(&eye, &target, &up);
|
|
|
|
assert_eq!(&(observer * na::orig::<Pnt3<f64>>()), &eye);
|
|
assert!(na::approx_eq(&(observer * Vec3::z()), &na::normalize(&(target - eye))));
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_observer_frame_rot3() {
|
|
for _ in 0usize .. 10000 {
|
|
let dir = random::<Vec3<f64>>();
|
|
let up = random::<Vec3<f64>>();
|
|
let observer = Rot3::new_observer_frame(&dir, &up);
|
|
|
|
assert!(na::approx_eq(&(observer * Vec3::z()), &na::normalize(&dir)));
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_persp() {
|
|
let mut p = Persp3::new(42.0f64, 0.5, 1.5, 10.0);
|
|
let mut pm = PerspMat3::new(42.0f64, 0.5, 1.5, 10.0);
|
|
assert!(p.to_mat() == pm.to_mat());
|
|
assert!(p.aspect() == 42.0);
|
|
assert!(p.fovy() == 0.5);
|
|
assert!(p.znear() == 1.5);
|
|
assert!(p.zfar() == 10.0);
|
|
assert!(na::approx_eq(&pm.aspect(), &42.0));
|
|
assert!(na::approx_eq(&pm.fovy(), &0.5));
|
|
assert!(na::approx_eq(&pm.znear(), &1.5));
|
|
assert!(na::approx_eq(&pm.zfar(), &10.0));
|
|
|
|
p.set_fovy(0.1);
|
|
pm.set_fovy(0.1);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_znear(24.0);
|
|
pm.set_znear(24.0);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_zfar(61.0);
|
|
pm.set_zfar(61.0);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_aspect(23.0);
|
|
pm.set_aspect(23.0);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
assert!(p.aspect() == 23.0);
|
|
assert!(p.fovy() == 0.1);
|
|
assert!(p.znear() == 24.0);
|
|
assert!(p.zfar() == 61.0);
|
|
assert!(na::approx_eq(&pm.aspect(), &23.0));
|
|
assert!(na::approx_eq(&pm.fovy(), &0.1));
|
|
assert!(na::approx_eq(&pm.znear(), &24.0));
|
|
assert!(na::approx_eq(&pm.zfar(), &61.0));
|
|
}
|
|
|
|
#[test]
|
|
fn test_ortho() {
|
|
let mut p = Ortho3::new(-0.3, 5.2, -3.9, -1.0, 1.5, 10.0);
|
|
let mut pm = OrthoMat3::new(-0.3, 5.2, -3.9, -1.0, 1.5, 10.0);
|
|
assert!(p.to_mat() == pm.to_mat());
|
|
assert!(p.left() == -0.3);
|
|
assert!(p.right() == 5.2);
|
|
assert!(p.bottom() == -3.9);
|
|
assert!(p.top() == -1.0);
|
|
assert!(p.znear() == 1.5);
|
|
assert!(p.zfar() == 10.0);
|
|
assert!(na::approx_eq(&pm.left(), &-0.3));
|
|
assert!(na::approx_eq(&pm.right(), &5.2));
|
|
assert!(na::approx_eq(&pm.bottom(), &-3.9));
|
|
assert!(na::approx_eq(&pm.top(), &-1.0));
|
|
assert!(na::approx_eq(&pm.znear(), &1.5));
|
|
assert!(na::approx_eq(&pm.zfar(), &10.0));
|
|
|
|
p.set_left(0.1);
|
|
pm.set_left(0.1);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_right(10.1);
|
|
pm.set_right(10.1);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_top(24.0);
|
|
pm.set_top(24.0);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_bottom(-23.0);
|
|
pm.set_bottom(-23.0);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_zfar(61.0);
|
|
pm.set_zfar(61.0);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
p.set_znear(21.0);
|
|
pm.set_znear(21.0);
|
|
assert!(na::approx_eq(&p.to_mat(), pm.as_mat()));
|
|
|
|
assert!(p.znear() == 21.0);
|
|
assert!(p.zfar() == 61.0);
|
|
assert!(na::approx_eq(&pm.znear(), &21.0));
|
|
assert!(na::approx_eq(&pm.zfar(), &61.0));
|
|
}
|
|
|
|
macro_rules! test_transform_inv_transform_impl(
|
|
($fnname: ident, $t: ty, $p: ty) => (
|
|
#[test]
|
|
fn $fnname() {
|
|
for _ in 0usize .. 10000 {
|
|
let randmat: $t = random();
|
|
let expected: $p = random();
|
|
|
|
let computed = randmat.inv_transform(&randmat.transform(&expected));
|
|
println!("computed: {}, expected: {}", computed, expected);
|
|
|
|
assert!(na::approx_eq(&computed, &expected));
|
|
}
|
|
}
|
|
);
|
|
);
|
|
|
|
test_transform_inv_transform_impl!(test_transform_inv_transform_rot2, Rot2<f64>, Pnt2<f64>);
|
|
test_transform_inv_transform_impl!(test_transform_inv_transform_rot3, Rot3<f64>, Pnt3<f64>);
|
|
test_transform_inv_transform_impl!(test_transform_inv_transform_iso2, Iso2<f64>, Pnt2<f64>);
|
|
test_transform_inv_transform_impl!(test_transform_inv_transform_iso3, Iso3<f64>, Pnt3<f64>);
|
|
test_transform_inv_transform_impl!(test_transform_inv_transform_sim2, Sim2<f64>, Pnt2<f64>);
|
|
test_transform_inv_transform_impl!(test_transform_inv_transform_sim3, Sim3<f64>, Pnt3<f64>);
|
|
|
|
macro_rules! test_transform_mul_assoc(
|
|
($fnname: ident, $t1: ty, $t2: ty, $p: ty) => (
|
|
#[test]
|
|
fn $fnname() {
|
|
for _ in 0usize .. 10000 {
|
|
let t1: $t1 = random();
|
|
let t2: $t2 = random();
|
|
let p: $p = random();
|
|
|
|
let t1p = t1 * p;
|
|
let t2p = t2 * p;
|
|
let t1t2 = t1 * t2;
|
|
let t2t1 = t2 * t1;
|
|
|
|
assert!(na::approx_eq(&(t1t2 * p), &(t1 * t2p)));
|
|
assert!(na::approx_eq(&(t2t1 * p), &(t2 * t1p)));
|
|
}
|
|
}
|
|
);
|
|
);
|
|
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim3_sim3_pnt3, Sim3<f64>, Sim3<f64>, Pnt3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim3_iso3_pnt3, Sim3<f64>, Iso3<f64>, Pnt3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim3_rot3_pnt3, Sim3<f64>, Rot3<f64>, Pnt3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso3_iso3_pnt3, Iso3<f64>, Iso3<f64>, Pnt3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso3_rot3_pnt3, Iso3<f64>, Rot3<f64>, Pnt3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_rot3_rot3_pnt3, Rot3<f64>, Rot3<f64>, Pnt3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim3_sim3_vec3, Sim3<f64>, Sim3<f64>, Vec3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim3_iso3_vec3, Sim3<f64>, Iso3<f64>, Vec3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim3_rot3_vec3, Sim3<f64>, Rot3<f64>, Vec3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso3_iso3_vec3, Iso3<f64>, Iso3<f64>, Vec3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso3_rot3_vec3, Iso3<f64>, Rot3<f64>, Vec3<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_rot3_rot3_vec3, Rot3<f64>, Rot3<f64>, Vec3<f64>);
|
|
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim2_sim2_pnt2, Sim2<f64>, Sim2<f64>, Pnt2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim2_iso2_pnt2, Sim2<f64>, Iso2<f64>, Pnt2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim2_rot2_pnt2, Sim2<f64>, Rot2<f64>, Pnt2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso2_iso2_pnt2, Iso2<f64>, Iso2<f64>, Pnt2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso2_rot2_pnt2, Iso2<f64>, Rot2<f64>, Pnt2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_rot2_rot2_pnt2, Rot2<f64>, Rot2<f64>, Pnt2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim2_sim2_vec2, Sim2<f64>, Sim2<f64>, Vec2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim2_iso2_vec2, Sim2<f64>, Iso2<f64>, Vec2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_sim2_rot2_vec2, Sim2<f64>, Rot2<f64>, Vec2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso2_iso2_vec2, Iso2<f64>, Iso2<f64>, Vec2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_iso2_rot2_vec2, Iso2<f64>, Rot2<f64>, Vec2<f64>);
|
|
test_transform_mul_assoc!(test_transform_inv_transform_rot2_rot2_vec2, Rot2<f64>, Rot2<f64>, Vec2<f64>);
|