39 lines
1.4 KiB
Rust
39 lines
1.4 KiB
Rust
// Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
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// refer to the Cargo.toml file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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extern crate cgmath;
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use cgmath::{Point, Point3, Vector, Vector3};
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use cgmath::{Bound, Relation, Plane};
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use cgmath::{ApproxEq};
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#[test]
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fn test_homogeneous() {
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let p = Point3::new(1.0f64, 2.0f64, 3.0f64);
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assert!(p.approx_eq( &Point3::from_homogeneous( &p.to_homogeneous() ) ));
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}
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#[test]
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fn test_bound() {
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let point = Point3::new(1f32, 2.0, 3.0);
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let normal = Vector3::new(0f32, -0.8, -0.36);
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let plane = Plane::from_point_normal(point, normal);
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assert_eq!(point.relate_plane(&plane), Relation::Cross);
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assert_eq!(point.add_v(&normal).relate_plane(&plane), Relation::In);
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assert_eq!(point.add_v(&normal.mul_s(-1.0)).relate_plane(&plane), Relation::Out);
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}
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