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//! This module defines primitive shapes.
//! The origin is (0, 0) for 2D primitives and (0, 0, 0) for 3D primitives,
//! unless stated otherwise.
mod dim2;
pub use dim2::*;
mod dim3;
pub use dim3::*;
#[cfg(feature = "serialize")]
mod serde;
/// A marker trait for 2D primitives
pub trait Primitive2d {}
/// A marker trait for 3D primitives
pub trait Primitive3d {}
/// The winding order for a set of points
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[doc(alias = "Orientation")]
pub enum WindingOrder {
/// A clockwise winding order
Clockwise,
/// A counterclockwise winding order
#[doc(alias = "AntiClockwise")]
CounterClockwise,
/// An invalid winding order indicating that it could not be computed reliably.
/// This often happens in *degenerate cases* where the points lie on the same line
#[doc(alias("Degenerate", "Collinear"))]
Invalid,
}
/// A trait for getting measurements of 2D shapes
pub trait Measured2d {
/// Get the perimeter of the shape
fn perimeter(&self) -> f32;
/// Get the area of the shape
fn area(&self) -> f32;
}
/// A trait for getting measurements of 3D shapes
pub trait Measured3d {
/// Get the surface area of the shape
fn area(&self) -> f32;
/// Get the volume of the shape
fn volume(&self) -> f32;
}