Pogolyn: pg_mat.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 
00036 struct PG_API pgMat
00037 {
00038     static const pgMat ZERO; 
00039     static const pgMat UNIT; 
00040 
00041     pgVec x_axis; 
00042     pgVec y_axis; 
00043     pgVec z_axis; 
00044     pgVec trans; 
00045 
00049     pgMat();
00050 
00058     pgMat(const pgVec& x_axis_, const pgVec& y_axis_, const pgVec& z_axis_, const pgVec& trans_);
00059 
00067     void set(const pgVec& x_axis_, const pgVec& y_axis_, const pgVec& z_axis_, const pgVec& trans_);
00068 
00073     bool isUnit() const;
00074 
00080     pgMat rotateX_r32(r32 deg) const;
00081 
00087     pgMat rotateY_r32(r32 deg) const;
00088 
00094     pgMat rotateZ_r32(r32 deg) const;
00095 
00102     pgMat rotateX_s32(s32 deg) const;
00103 
00110     pgMat rotateY_s32(s32 deg) const;
00111 
00118     pgMat rotateZ_s32(s32 deg) const;
00119 
00127     pgMat scale(r32 x_scale, r32 y_scale, r32 z_scale = 1.0f) const;
00128 
00136     pgMat translate(r32 x, r32 y, r32 z = 0.0f) const;
00137 
00144     pgMat slerp(const pgMat& to, r32 ratio) const;
00145 
00153     pgMat slerp_noTrans(const pgMat& to, r32 ratio) const;
00154 
00159     pgMat orthonormal() const;
00160 
00166     pgMat toLocalOf(const pgMat& mat) const;
00167 
00173     pgMat toGlobalFrom(const pgMat& mat) const;
00174 
00181     pgMat toLocalOf_noTrans(const pgMat& mat) const;
00182 
00189     pgMat toGlobalFrom_noTrans(const pgMat& mat) const;
00190 
00198     static pgMat lookAt(const pgVec& from, const pgVec& to, const pgVec& up);
00199 
00204     void toR32x16(r32* r32x16) const;
00205 
00211     static pgMat fromR32x16(const r32* r32x16);
00212 
00219     static void mulR32x16(r32* res_r32x16, const r32* lhs_r32x16, const r32* rhs_r32x16);
00220 };