vtm/source/helpers/vector.ts
Christian Fraß 95ff0c95b3 restructuring
2018-03-29 01:13:39 +02:00

56 lines
1.6 KiB
TypeScript

/*
* Verrückte Turing-Maschinen — A turing complete game
* Copyright (C) 2016-2018 Christian Fraß <vidofnir@folksprak.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
module lib_vector
{
/**
* @author kcf <vidofnir@folksprak.org>
*/
export type type_vector = {x : float; y : float;};
/**
* @author kcf <vidofnir@folksprak.org>
*/
export function polar(angle : float, radius : float = 1) : type_vector
{
return {"x": (radius * Math.cos(angle)), "y": (radius * Math.sin(angle))};
}
/**
* @author kcf <vidofnir@folksprak.org>
*/
export function scale(vector : type_vector, factuator : float) : type_vector
{
return {"x": (vector.x * factuator), "y": (vector.y * factuator)};
}
/**
* @author kcf <vidofnir@folksprak.org>
*/
export function add(vector1 : type_vector, vector2 : type_vector) : type_vector
{
return {"x": (vector1.x + vector2.x), "y": (vector1.y + vector2.y)};
}
}