cgmath/tests/frustum.rs

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// Copyright 2015 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::{PerspectiveFov, Point3, Projection, Relation, Sphere, rad};
#[test]
fn test_contains() {
let frustum = PerspectiveFov {
fovy: rad(1f32),
aspect: 1f32,
near: 1f32,
far: 10f32,
}.to_frustum();
assert_eq!(frustum.contains(&Sphere {
center: Point3::new(0f32, 0f32, -5f32),
radius: 1f32,
}), Relation::In);
assert_eq!(frustum.contains(&Sphere {
center: Point3::new(0f32, 3f32, -5f32),
radius: 1f32,
}), Relation::Cross);
assert_eq!(frustum.contains(&Sphere {
center: Point3::new(0f32, 0f32, 5f32),
radius: 1f32,
}), Relation::Out);
}