52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_HELPER_GEOMETRY
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#define INCLUDED_HELPER_GEOMETRY
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/**
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* @file
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* Helper functions related to geometry algorithms
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*/
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#include "maths/Fixed.h"
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class CFixedVector2D;
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namespace Geometry
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{
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bool PointIsInSquare(CFixedVector2D point, CFixedVector2D u, CFixedVector2D v, CFixedVector2D halfSize);
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CFixedVector2D GetHalfBoundingBox(CFixedVector2D u, CFixedVector2D v, CFixedVector2D halfSize);
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fixed DistanceToSquare(CFixedVector2D point, CFixedVector2D u, CFixedVector2D v, CFixedVector2D halfSize);
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CFixedVector2D NearestPointOnSquare(CFixedVector2D point, CFixedVector2D u, CFixedVector2D v, CFixedVector2D halfSize);
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bool TestRaySquare(CFixedVector2D a, CFixedVector2D b, CFixedVector2D u, CFixedVector2D v, CFixedVector2D halfSize);
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bool TestRayAASquare(CFixedVector2D a, CFixedVector2D b, CFixedVector2D halfSize);
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bool TestSquareSquare(
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CFixedVector2D c0, CFixedVector2D u0, CFixedVector2D v0, CFixedVector2D halfSize0,
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CFixedVector2D c1, CFixedVector2D u1, CFixedVector2D v1, CFixedVector2D halfSize1);
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} // namespace
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#endif // INCLUDED_HELPER_GEOMETRY
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