// StarKingdoms.IO, a browser game about drifting through space
//     Copyright (C) 2023 ghostly_zsh, TerraMaster85, core
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU Affero General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU Affero General Public License for more details.
//
//     You should have received a copy of the GNU Affero General Public License
//     along with this program.  If not, see <https://www.gnu.org/licenses/>.
use bevy::math::{vec2, Vec2, Vec3};

pub fn rot2d(uncast: Vec2, angle: f32) -> Vec2 {
    vec2(
        uncast.x * angle.cos() - uncast.y * angle.sin(),
        uncast.x * angle.sin() + uncast.y * angle.cos(),
    )
}

pub fn v3_to_v2(downgrade: Vec3) -> Vec2 {
    vec2(downgrade.x, downgrade.y)
}