gst/goom/v3d.c


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#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;
  }
}