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Reference to #14299. # Objective - Ensuring consistent practice of instantiating 3D primitive shapes in Bevy. ## Solution - Add `new` method, containing `radius` and `height` arguments, to Cone 3D primitive shape. ## Testing - Instantiated cone using same values (radius is `2.` and height is `5.`), using the current method and the added `new` method. - Basic setup of Bevy Default Plugins and `3DCameraBundle`. --- ## Showcase <details> <summary>Click to view showcase</summary> ```rust use bevy::prelude::*; fn main() { App::new() .add_plugins(DefaultPlugins) .add_systems(Startup, setup) .run(); } fn setup( mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>, mut materials: ResMut<Assets<StandardMaterial>>, ) { let new_cone = meshes.add(Cone::new(2., 5.)); commands.spawn(PbrBundle { mesh: new_cone, ..default() }); let old_cone = meshes.add(Cone { radius: 2., height: 5., }); commands.spawn(PbrBundle { mesh: old_cone, material: materials.add(Color::WHITE), transform: Transform::from_xyz(10., 0., 0.), ..default() }); commands.spawn(Camera3dBundle { transform: Transform::from_xyz(20., 20., 20.).looking_at(Vec3::ZERO, Dir3::Y), ..default() }); } ``` </details>  - Pink Cone is created using the `new` method. - Black Cone is created using the existing method. ## Migration Guide - Addition of `new` method to the 3D primitive Cone struct. |
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Bevy Math
