321     Mat4 result;  in Perspective()  local
322     result.f_[0] = n2 / width;  in Perspective()
323     result.f_[4] = 0;  in Perspective()
324     result.f_[8] = 0;  in Perspective()
325     result.f_[12] = 0;  in Perspective()
326     result.f_[1] = 0;  in Perspective()
327     result.f_[5] = n2 / height;  in Perspective()
328     result.f_[9] = 0;  in Perspective()
329     result.f_[13] = 0;  in Perspective()
330     result.f_[2] = 0;  in Perspective()
331     result.f_[6] = 0;  in Perspective()
332     result.f_[10] = (farPlane + nearPlane) * rcpnmf;  in Perspective()
333     result.f_[14] = farPlane * rcpnmf * n2;  in Perspective()
334     result.f_[3] = 0;  in Perspective()
335     result.f_[7] = 0;  in Perspective()
336     result.f_[11] = -1.0;  in Perspective()
337     result.f_[15] = 0;  in Perspective()
339     return result;  in Perspective()
345     Mat4 result;  in LookAt()  local
357     result.f_[0] = vec_side.x_;  in LookAt()
358     result.f_[4] = vec_side.y_;  in LookAt()
359     result.f_[8] = vec_side.z_;  in LookAt()
360     result.f_[12] = 0;  in LookAt()
361     result.f_[1] = vec_up_norm.x_;  in LookAt()
362     result.f_[5] = vec_up_norm.y_;  in LookAt()
363     result.f_[9] = vec_up_norm.z_;  in LookAt()
364     result.f_[13] = 0;  in LookAt()
365     result.f_[2] = vec_forward.x_;  in LookAt()
366     result.f_[6] = vec_forward.y_;  in LookAt()
367     result.f_[10] = vec_forward.z_;  in LookAt()
368     result.f_[14] = 0;  in LookAt()
369     result.f_[3] = 0;  in LookAt()
370     result.f_[7] = 0;  in LookAt()
371     result.f_[11] = 0;  in LookAt()
372     result.f_[15] = 1.0;  in LookAt()
374     result.PostTranslate( -vec_eye.x_, -vec_eye.y_, -vec_eye.z_ );  in LookAt()
375     return result;  in LookAt()