mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-29 21:21:12 +00:00
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Goom Project
|
|
* Copyright (C) <2003> iOS-Software
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
#include "v3d.h"
|
|
|
|
void
|
|
v3d_to_v2d (v3d * v3, int nbvertex, int width, int height, float distance,
|
|
v2d * v2)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < nbvertex; ++i) {
|
|
if (v3[i].z > 2) {
|
|
int Xp, Yp;
|
|
|
|
F2I ((distance * v3[i].x / v3[i].z), Xp);
|
|
F2I ((distance * v3[i].y / v3[i].z), Yp);
|
|
v2[i].x = Xp + (width >> 1);
|
|
v2[i].y = -Yp + (height >> 1);
|
|
} else
|
|
v2[i].x = v2[i].y = -666;
|
|
}
|
|
}
|