Differential D1951 Diff 8453 ps/trunk/source/maths/BoundingBoxOriented.cpp

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ps/trunk/source/maths/BoundingBoxOriented.cpp

	/* Copyright (C) 2011 Wildfire Games.			/* Copyright (C) 2019 Wildfire Games.
	* This file is part of 0 A.D.			* This file is part of 0 A.D.
	*			*
	* 0 A.D. is free software: you can redistribute it and/or modify			* 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			* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 2 of the License, or			* the Free Software Foundation, either version 2 of the License, or
	* (at your option) any later version.			* (at your option) any later version.
	*			*
	* 0 A.D. is distributed in the hope that it will be useful,			* 0 A.D. is distributed in the hope that it will be useful,
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	CBoundingBoxOriented::CBoundingBoxOriented(const CBoundingBoxAligned& bound)			CBoundingBoxOriented::CBoundingBoxOriented(const CBoundingBoxAligned& bound)
	{			{
	if (bound.IsEmpty())			if (bound.IsEmpty())
	{			{
	SetEmpty();			SetEmpty();
	}			}
	else			else
	{			{
	bound.GetCentre(m_Center);			bound.GetCenter(m_Center);

	// the axes of an AABB are the world-space axes			// the axes of an AABB are the world-space axes
	m_Basis[0].X = 1.f; m_Basis[0].Y = 0.f; m_Basis[0].Z = 0.f;			m_Basis[0].X = 1.f; m_Basis[0].Y = 0.f; m_Basis[0].Z = 0.f;
	m_Basis[1].X = 0.f; m_Basis[1].Y = 1.f; m_Basis[1].Z = 0.f;			m_Basis[1].X = 0.f; m_Basis[1].Y = 1.f; m_Basis[1].Z = 0.f;
	m_Basis[2].X = 0.f; m_Basis[2].Y = 0.f; m_Basis[2].Z = 1.f;			m_Basis[2].X = 0.f; m_Basis[2].Y = 0.f; m_Basis[2].Z = 1.f;

	// element-wise division by two to get half sizes (remember, [1] and [0] are the max and min coord points)			// element-wise division by two to get half sizes (remember, [1] and [0] are the max and min coord points)
	m_HalfSizes = (bound[1] - bound[0]) * 0.5f;			m_HalfSizes = (bound[1] - bound[0]) * 0.5f;
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