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 pgQuat 00037 { 00038 r32 x; 00039 r32 y; 00040 r32 z; 00041 r32 w; 00042 00046 pgQuat(); 00047 00055 pgQuat(r32 x_, r32 y_, r32 z_, r32 w_); 00056 00064 void set(r32 x_, r32 y_, r32 z_, r32 w_); 00065 00072 pgQuat slerp(const pgQuat& to, r32 ratio) const; 00073 00079 pgMat toMat(const pgVec& trans) const; 00080 00086 static pgQuat fromMat(const pgMat& mat); 00087 };
1.5.8