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72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "titanic/star_control/fvector.h"
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#include "titanic/star_control/star_control_sub6.h"
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#include "common/algorithm.h"
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#include "common/textconsole.h"
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namespace Titanic {
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void FVector::fn1(FVector *v) {
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v->_x = (ABS(_x - _y) < 0.00001 && ABS(_y - _z) < 0.00001 &&
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ABS(_x - _z) < 0.00001) ? -_x : _x;
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v->_y = _y;
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v->_z = _z;
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}
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void FVector::multiply(FVector *dest, const FVector *src) {
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dest->_x = (src->_z * _y) - (_z * src->_y);
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dest->_y = (src->_x * _z) - (_x * src->_z);
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dest->_z = (src->_y * _x) - (_y * src->_x);
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}
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void FVector::fn3() {
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double hyp = sqrt(_x * _x + _y * _y + _z * _z);
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assert(hyp);
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_x *= 1.0 / hyp;
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_y *= 1.0 / hyp;
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_z *= 1.0 / hyp;
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}
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double FVector::getDistance(const FVector *src) const {
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double xd = src->_x - _x;
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double yd = src->_y - _y;
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double zd = src->_z - _z;
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return sqrt(xd * xd + yd * yd + zd * zd);
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}
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void FVector::fn4(FVector *dest, const FVector *v1, const FVector *v2) {
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FVector tempVector(v1->_x + v2->_x, v1->_y + v2->_y, v1->_z + v2->_z);
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tempVector.fn3();
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*dest = tempVector;
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}
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void FVector::fn5(FVector *dest, const CStarControlSub6 *sub6) const {
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error("TODO: FVector::fn5");
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}
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} // End of namespace Titanic
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