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/* Copyright (C) 2010 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_POSITION
#define INCLUDED_POSITION
#include "maths/Fixed.h"
/**
* @file
* Entity coordinate types
*
* The basic unit is the "meter". Terrain tiles are TERRAIN_TILE_SIZE (=4) meters square.
* To support deterministic computation across CPU architectures and compilers and
* optimisation settings, the C++ simulation code must not use floating-point arithmetic.
* We therefore use a fixed-point datatype for representing world positions.
*/
/**
* Positions and distances (measured in metres)
*/
typedef CFixed_15_16 entity_pos_t;
/**
* Rotations (measured in radians)
*/
typedef CFixed_15_16 entity_angle_t;
#endif // INCLUDED_POSITION
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