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