diff options
Diffstat (limited to 'saga/math.cpp')
| -rw-r--r-- | saga/math.cpp | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/saga/math.cpp b/saga/math.cpp deleted file mode 100644 index 1c3b12fc93..0000000000 --- a/saga/math.cpp +++ /dev/null @@ -1,72 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2004 The ScummVM project - * - * The ReInherit Engine is (C)2000-2003 by Daniel Balsom. - * - * 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 2 - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * $Header$ - * - */ -/* - - Description: - - Math routines - - Notes: -*/ - -#include <stdio.h> -#include <stdlib.h> - -#include "reinherit.h" - -namespace Saga { - -int -MATH_HitTestPoly(R_POINT * points, unsigned int npoints, R_POINT test_point) -{ - int yflag0; - int yflag1; - int inside_flag = 0; - unsigned int pt; - - R_POINT *vtx0 = &points[npoints - 1]; - R_POINT *vtx1 = &points[0]; - - yflag0 = (vtx0->y >= test_point.y); - - for (pt = 0; pt < npoints; pt++, vtx1++) { - - yflag1 = (vtx1->y >= test_point.y); - - if (yflag0 != yflag1) { - - if (((vtx1->y - test_point.y) * (vtx0->x - vtx1->x) >= - (vtx1->x - test_point.x) * (vtx0->y - - vtx1->y)) == yflag1) { - - inside_flag = !inside_flag; - } - } - yflag0 = yflag1; - vtx0 = vtx1; - } - - return inside_flag; -} - -} // End of namespace Saga |