27 lines
800 B
Rust
27 lines
800 B
Rust
extern crate nalgebra as na;
|
|
|
|
use na::{Vector3, Vector4, Point3};
|
|
|
|
|
|
fn main() {
|
|
// Build using components directly.
|
|
let p0 = Point3::new(2.0, 3.0, 4.0);
|
|
|
|
// Build from a coordinates vector.
|
|
let coords = Vector3::new(2.0, 3.0, 4.0);
|
|
let p1 = Point3::from_coordinates(coords);
|
|
|
|
// Build by translating the origin.
|
|
let translation = Vector3::new(2.0, 3.0, 4.0);
|
|
let p2 = Point3::origin() + translation;
|
|
|
|
// Build from homogeneous coordinates. The last component of the
|
|
// vector will be removed and all other components divided by 10.0.
|
|
let homogeneous_coords = Vector4::new(20.0, 30.0, 40.0, 10.0);
|
|
let p3 = Point3::from_homogeneous(homogeneous_coords);
|
|
|
|
assert_eq!(p0, p1);
|
|
assert_eq!(p0, p2);
|
|
assert_eq!(p0, p3.unwrap());
|
|
}
|