diff options
Diffstat (limited to 'intern/decimation/intern/LOD_Quadric.h')
| -rw-r--r-- | intern/decimation/intern/LOD_Quadric.h | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/intern/decimation/intern/LOD_Quadric.h b/intern/decimation/intern/LOD_Quadric.h deleted file mode 100644 index 9dde0502aa3..00000000000 --- a/intern/decimation/intern/LOD_Quadric.h +++ /dev/null @@ -1,167 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file decimation/intern/LOD_Quadric.h - * \ingroup decimation - */ - - -#ifndef __LOD_QUADRIC_H__ -#define __LOD_QUADRIC_H__ - -#include "MT_Vector3.h" -#include "MT_Matrix3x3.h" - - -class LOD_Quadric { - -private: - MT_Scalar a2, ab, ac, ad; - MT_Scalar b2, bc, bd; - MT_Scalar c2, cd; - MT_Scalar d2; - - void init(MT_Scalar a, MT_Scalar b, MT_Scalar c, MT_Scalar d); - -public: - - LOD_Quadric( - ) { - Clear(); - }; - - LOD_Quadric( - const MT_Vector3 & vec, - const MT_Scalar & offset - ) { - a2 = vec[0] *vec[0]; - b2 = vec[1] *vec[1]; - c2 = vec[2] *vec[2]; - - ab = vec[0]*vec[1]; - ac = vec[0]*vec[2]; - bc = vec[1]*vec[2]; - - MT_Vector3 temp = vec*offset; - ad = temp[0]; - bd = temp[1]; - cd = temp[2]; - - d2 = offset*offset; - }; - - MT_Matrix3x3 - Tensor( - ) const { - // return a symmetric matrix - - return MT_Matrix3x3( - a2,ab,ac, - ab,b2,bc, - ac,bc,c2 - ); - }; - - - MT_Vector3 - Vector( - ) const { - return MT_Vector3(ad, bd, cd); - }; - - void - Clear( - MT_Scalar val=0.0 - ) { - a2=ab=ac=ad=b2=bc=bd=c2=cd=d2=val; - }; - - LOD_Quadric & - operator=( - const LOD_Quadric& Q - ) { - - a2 = Q.a2; ab = Q.ab; ac = Q.ac; ad = Q.ad; - b2 = Q.b2; bc = Q.bc; bd = Q.bd; - c2 = Q.c2; cd = Q.cd; - d2 = Q.d2; - return *this; - }; - - LOD_Quadric& - operator+=( - const LOD_Quadric& Q - ) { - a2 += Q.a2; ab += Q.ab; ac += Q.ac; ad += Q.ad; - b2 += Q.b2; bc += Q.bc; bd += Q.bd; - c2 += Q.c2; cd += Q.cd; - d2 += Q.d2; - return *this; - }; - - LOD_Quadric& - operator*=( - const MT_Scalar & s - ) { - a2 *= s; ab *= s; ac *= s; ad *= s; - b2 *= s; bc *= s; bd *= s; - c2 *= s; cd *= s; - d2 *= s; - return *this; - }; - - - MT_Scalar - Evaluate( - const MT_Vector3 &v - ) const { - // compute the LOD_Quadric error - - return v[0]*v[0]*a2 + 2*v[0]*v[1]*ab + 2*v[0]*v[2]*ac + 2*v[0]*ad - +v[1]*v[1]*b2 + 2*v[1]*v[2]*bc + 2*v[1]*bd - +v[2]*v[2]*c2 + 2*v[2]*cd - + d2; - }; - - bool - Optimize( - MT_Vector3& v - ) const { - - MT_Scalar det = Tensor().determinant(); - if (MT_fuzzyZero(det)) { - return false; - } - - v = -((Tensor().inverse()) * Vector()); - return true; - }; - -}; - -#endif - |