/* * FTGL - OpenGL font library * * Copyright (c) 2001-2004 Henry Maddocks * Copyright (c) 2008 Sam Hocevar * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "config.h" #include #include "FTGL/ftgl.h" bool operator == (const FTPoint &a, const FTPoint &b) { return((a.values[0] == b.values[0]) && (a.values[1] == b.values[1]) && (a.values[2] == b.values[2])); } bool operator != (const FTPoint &a, const FTPoint &b) { return((a.values[0] != b.values[0]) || (a.values[1] != b.values[1]) || (a.values[2] != b.values[2])); } FTPoint FTPoint::Normalise() { double norm = sqrt(values[0] * values[0] + values[1] * values[1] + values[2] * values[2]); if(norm == 0.0) { return *this; } FTPoint temp(values[0] / norm, values[1] / norm, values[2] / norm); return temp; }