Pogolyn: pg_vec.h Source File

00001 /*
00002     Copyright (c) 2007-2009 Takashi Kitao
00003     All rights reserved.
00004 
00005     Redistribution and use in source and binary forms, with or without
00006     modification, are permitted provided that the following conditions
00007     are met:
00008 
00009     1. Redistributions of source code must retain the above copyright
00010     `  notice, this list of conditions and the following disclaimer.
00011 
00012     2. Redistributions in binary form must reproduce the above copyright
00013     `  notice, this list of conditions and the following disclaimer in the
00014     `  documentation and/or other materials provided with the distribution.
00015 
00016     3. The name of the author may not be used to endorse or promote products
00017     `  derived from this software without specific prior written permission.
00018 
00019     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00020     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00021     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00022     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00023     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00024     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00025     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00026     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00027     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00028     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029 */
00030 
00031 
00032 struct pgMat;
00033 
00034 
00039 struct PG_API pgVec
00040 {
00041     static const pgVec ZERO; 
00042     static const pgVec X_UNIT; 
00043     static const pgVec Y_UNIT; 
00044     static const pgVec Z_UNIT; 
00045 
00046     r32 x; 
00047     r32 y; 
00048     r32 z; 
00049 
00053     pgVec();
00054 
00061     pgVec(r32 x_, r32 y_, r32 z_ = 0.0f);
00062 
00069     void set(r32 x_, r32 y_, r32 z_ = 0.0f);
00070 
00076     pgVec operator+(const pgVec& vec) const;
00077 
00082     void operator+=(const pgVec& vec);
00083 
00088     pgVec operator-() const;
00089 
00095     pgVec operator-(const pgVec& vec) const;
00096 
00101     void operator-=(const pgVec& vec);
00102 
00108     pgVec operator*(r32 s) const;
00109 
00116     PG_API friend pgVec operator*(r32 s, const pgVec& vec);
00117 
00122     void operator*=(r32 s);
00123 
00129     pgVec operator/(r32 s) const;
00130 
00135     void operator/=(r32 s);
00136 
00141     r32 length() const;
00142 
00147     r32 sqLength() const;
00148 
00154     r32 dist(const pgVec& vec) const;
00155 
00161     r32 sqDist(const pgVec& vec) const;
00162 
00168     r32 dot(const pgVec& vec) const;
00169 
00175     pgVec cross(const pgVec& vec) const;
00176 
00182     pgVec rotateX_r32(r32 deg) const;
00183 
00189     pgVec rotateY_r32(r32 deg) const;
00190 
00196     pgVec rotateZ_r32(r32 deg) const;
00197 
00204     pgVec rotateX_s32(s32 deg) const;
00205 
00212     pgVec rotateY_s32(s32 deg) const;
00213 
00220     pgVec rotateZ_s32(s32 deg) const;
00221 
00226     pgVec normalize() const;
00227 
00234     pgVec interp(const pgVec& to, r32 ratio) const;
00235 
00242     pgVec slerp(const pgVec& to, r32 ratio) const;
00243 
00249     pgVec toLocalOf(const pgMat& mat) const;
00250 
00256     pgVec toGlobalFrom(const pgMat& mat) const;
00257 
00264     pgVec toLocalOf_noTrans(const pgMat& mat) const;
00265 
00272     pgVec toGlobalFrom_noTrans(const pgMat& mat) const;
00273 
00279     void toR32x4(r32* r32x4, r32 w) const;
00280 
00286     static pgVec fromR32x4(const r32* r32x4);
00287 
00294     static void mulR32x4(r32* res_r32x4, const r32* lhs_r32x16, const r32* rhs_r32x4);
00295 };