mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated April 5, 2025. Replaces all prior versions.
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*
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* Copyright (c) 2013-2025, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software
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* or otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef Spine_MathUtil_h
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#define Spine_MathUtil_h
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#include <spine/SpineObject.h>
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#include <string.h>
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// Needed for older MSVC versions
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#undef min
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#undef max
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namespace spine {
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class SP_API MathUtil : public SpineObject {
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private:
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MathUtil();
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public:
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static const float Pi;
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static const float Pi_2;
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static const float InvPi_2;
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static const float Deg_Rad;
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static const float Rad_Deg;
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template<typename T>
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static inline T min(T a, T b) {
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return a < b ? a : b;
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}
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template<typename T>
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static inline T max(T a, T b) {
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return a > b ? a : b;
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}
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static float sign(float val);
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static float clamp(float x, float lower, float upper);
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static float abs(float v);
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/// Returns the sine in radians from a lookup table.
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static float sin(float radians);
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/// Returns the cosine in radians from a lookup table.
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static float cos(float radians);
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/// Returns the sine in radians from a lookup table.
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static float sinDeg(float degrees);
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/// Returns the cosine in radians from a lookup table.
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static float cosDeg(float degrees);
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/// Returns atan2 in radians, faster but less accurate than Math.Atan2. Average error of 0.00231 radians (0.1323
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/// degrees), largest error of 0.00488 radians (0.2796 degrees).
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static float atan2(float y, float x);
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static float atan2Deg(float x, float y);
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static float acos(float v);
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static float sqrt(float v);
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static float fmod(float a, float b);
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static bool isNan(float v);
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static float quietNan();
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static float random();
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static float randomTriangular(float min, float max);
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static float randomTriangular(float min, float max, float mode);
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static float pow(float a, float b);
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static float ceil(float v);
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};
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}
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#endif /* Spine_MathUtil_h */
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