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38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Goom Project
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* Copyright (C) <2003> iOS-Software
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "v3d.h"
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void
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v3d_to_v2d (v3d * v3, int nbvertex, int width, int height, float distance,
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v2d * v2)
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{
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int i;
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for (i = 0; i < nbvertex; ++i) {
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if (v3[i].z > 2) {
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int Xp, Yp;
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F2I ((distance * v3[i].x / v3[i].z), Xp);
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F2I ((distance * v3[i].y / v3[i].z), Yp);
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v2[i].x = Xp + (width >> 1);
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v2[i].y = -Yp + (height >> 1);
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} else
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v2[i].x = v2[i].y = -666;
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}
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}
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