sh: src/shtri.c Source File

00001 
00006 /*
00007  *  PROGRAM NAME:  sh
00008  *
00009  *  (c) COPYRIGHT INTERNATIONAL BUSINESS MACHINES
00010  *  CORPORATION 12/1/2001.  ALL RIGHTS RESERVED.
00011  *
00012  *  Please refer to the LICENSE file in the top directory
00013  *
00014  *      author: Mike Henderson mhender@watson.ibm.com
00015  */
00016 
00017 static char *id="@(#) $Id: shtri.c,v 1.2 2006/08/17 19:28:17 mhender Exp $";
00018 
00019 #include <shInternal.h>
00020 
00034 void shtri(float *xt1,float *yt1,float *zt1,float *xt2,float *yt2,float *zt2,float *xt3,float *yt3,float *zt3)
00035  {
00036 
00037 /*    Shade a triangle. Note this just calls shpg.*/
00038 
00039   float x[3]={0.,0.,0.};
00040   float y[3]={0.,0.,0.};
00041   float z[3]={0.,0.,0.};
00042   int n;
00043 
00044   x[0]=*xt1;
00045   x[1]=*xt2;
00046   x[2]=*xt3;
00047   y[0]=*yt1;
00048   y[1]=*yt2;
00049   y[2]=*yt3;
00050   z[0]=*zt1;
00051   z[1]=*zt2;
00052   z[2]=*zt3;
00053   n=3;
00054   shpg(&n,x,y,z);
00055 
00056   return;
00057  }