| // Copyright 2021 The Fuchsia Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| mod aabb; | |
| mod bezier; | |
| mod color; | |
| mod mat; | |
| mod vec; | |
| pub use aabb::Aabb; | |
| pub use bezier::Bezier; | |
| pub use color::Color; | |
| pub use mat::Mat; | |
| pub use vec::Vec; | |
| pub const CIRCLE_CONSTANT: f32 = 0.552_284_8; | |
| pub fn lerp(a: f32, b: f32, ratio: f32) -> f32 { | |
| a + (b - a) * ratio | |
| } | |
| pub fn arc_constant(angle: f32) -> f32 { | |
| 4.0 / 3.0 * (angle / 4.0).tan() | |
| } |