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Diffstat (limited to 'src/ftgl/FTPoint.cpp')
-rw-r--r-- | src/ftgl/FTPoint.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/ftgl/FTPoint.cpp b/src/ftgl/FTPoint.cpp new file mode 100644 index 0000000..cc02e5a --- /dev/null +++ b/src/ftgl/FTPoint.cpp @@ -0,0 +1,58 @@ +/* + * FTGL - OpenGL font library + * + * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz> + * Copyright (c) 2008 Sam Hocevar <sam@zoy.org> + * + * 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 <math.h> + +#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; +} + |