135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (ASSIMP)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2008, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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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
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file aiVector3D.h
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* @brief 3D vector structure, including operators when compiling in C++
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*/
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#ifndef AI_VECTOR3D_H_INC
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#define AI_VECTOR3D_H_INC
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#include <math.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "./Compiler/pushpack1.h"
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struct aiMatrix3x3;
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struct aiMatrix4x4;
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// ---------------------------------------------------------------------------
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/** Represents a three-dimensional vector. */
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struct aiVector3D
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{
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#ifdef __cplusplus
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aiVector3D () : x(0.0f), y(0.0f), z(0.0f) {}
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aiVector3D (float _x, float _y, float _z) : x(_x), y(_y), z(_z) {}
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aiVector3D (float _xyz) : x(_xyz), y(_xyz), z(_xyz) {}
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aiVector3D (const aiVector3D& o) : x(o.x), y(o.y), z(o.z) {}
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public:
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// combined operators
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const aiVector3D& operator += (const aiVector3D& o);
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const aiVector3D& operator -= (const aiVector3D& o);
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const aiVector3D& operator *= (float f);
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const aiVector3D& operator /= (float f);
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// transform vector by matrix
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aiVector3D& operator *= (const aiMatrix3x3& mat);
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aiVector3D& operator *= (const aiMatrix4x4& mat);
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// access a single element
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inline float operator[](unsigned int i) const;
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inline float& operator[](unsigned int i);
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// comparison
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inline bool operator== (const aiVector3D& other) const;
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inline bool operator!= (const aiVector3D& other) const;
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public:
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/** @brief Set the components of a vector
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* @param pX X component
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* @param pY Y component
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* @param pZ Z component
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*/
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void Set( float pX, float pY, float pZ = 0.f);
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/** @brief Get the squared length of the vector
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* @return Square length
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*/
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float SquareLength() const;
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/** @brief Get the length of the vector
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* @return length
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*/
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float Length() const;
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/** @brief Normalize the vector
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*/
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aiVector3D& Normalize();
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/** @brief Componentwise multiplication of two vectors
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*
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* Note that vec*vec yields the dot product.
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* @param o Second factor
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*/
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const aiVector3D SymMul(const aiVector3D& o);
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#endif // __cplusplus
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float x, y, z;
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} PACK_STRUCT;
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#include "./Compiler/poppack1.h"
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#ifdef __cplusplus
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} // end extern "C"
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#endif // __cplusplus
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#endif // AI_VECTOR3D_H_INC
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