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