Function g3_DrawSphere

renderer/HardwareDraw.cpp:236–243

draw a sortof sphere - i.e., the 2d radius is proportional to the 3d radius, but not to the distance from the eye

// draw a sortof sphere - i.e., the 2d radius is proportional to the 3d
// radius, but not to the distance from the eye
void g3_DrawSphere(ddgr_color color, g3Point *pnt, float rad) {
  if (!(pnt->p3_codes & CC_BEHIND)) {
    if (!(pnt->p3_flags & PF_PROJECTED))
      g3_ProjectPoint(pnt);

    rend_FillCircle(color, pnt->p3_sx, pnt->p3_sy, (rad * Matrix_scale.x * Window_w2 / pnt->p3_z));
  }
}

// draws a bitmap with the specified 3d width & height
// If offsets  are not -1, then the blitter draws not from the upper left hand