/**************************************************************************/ /* math_defs.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* 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. */ /**************************************************************************/ #ifndef MATH_DEFS_H #define MATH_DEFS_H #define CMP_EPSILON … #define CMP_EPSILON2 … #define CMP_NORMALIZE_TOLERANCE … #define CMP_POINT_IN_PLANE_EPSILON … #define Math_SQRT12 … #define Math_SQRT2 … #define Math_LN2 … #define Math_TAU … #define Math_PI … #define Math_E … #ifdef DEBUG_ENABLED #define MATH_CHECKS #endif //this epsilon is for values related to a unit size (scalar or vector len) #ifdef PRECISE_MATH_CHECKS #define UNIT_EPSILON … #else //tolerate some more floating point error normally #define UNIT_EPSILON … #endif #define USEC_TO_SEC(m_usec) … enum ClockDirection { … }; enum Orientation { … }; enum HorizontalAlignment { … }; enum VerticalAlignment { … }; enum InlineAlignment { … }; enum Side { … }; enum Corner { … }; enum class EulerOrder { … }; /** * The "Real" type is an abstract type used for real numbers, such as 1.5, * in contrast to integer numbers. Precision can be controlled with the * presence or absence of the REAL_T_IS_DOUBLE define. */ #ifdef REAL_T_IS_DOUBLE typedef double real_t; #else real_t; #endif #endif // MATH_DEFS_H