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thirdparty/ode-0.16.5/include/ode/rotation.h

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+/*************************************************************************
+ *                                                                       *
+ * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith.       *
+ * All rights reserved.  Email: russ@q12.org   Web: www.q12.org          *
+ *                                                                       *
+ * This library is free software; you can redistribute it and/or         *
+ * modify it under the terms of EITHER:                                  *
+ *   (1) The GNU Lesser General Public License as published by the Free  *
+ *       Software Foundation; either version 2.1 of the License, or (at  *
+ *       your option) any later version. The text of the GNU Lesser      *
+ *       General Public License is included with this library in the     *
+ *       file LICENSE.TXT.                                               *
+ *   (2) The BSD-style license that is included with this library in     *
+ *       the file LICENSE-BSD.TXT.                                       *
+ *                                                                       *
+ * This library is distributed in the hope that it will be useful,       *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files    *
+ * LICENSE.TXT and LICENSE-BSD.TXT for more details.                     *
+ *                                                                       *
+ *************************************************************************/
+
+#ifndef _ODE_ROTATION_H_
+#define _ODE_ROTATION_H_
+
+#include <ode/common.h>
+#include <ode/compatibility.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+ODE_API void dRSetIdentity (dMatrix3 R);
+
+ODE_API void dRFromAxisAndAngle (dMatrix3 R, dReal ax, dReal ay, dReal az,
+			 dReal angle);
+
+ODE_API void dRFromEulerAngles (dMatrix3 R, dReal phi, dReal theta, dReal psi);
+
+ODE_API void dRFrom2Axes (dMatrix3 R, dReal ax, dReal ay, dReal az,
+		  dReal bx, dReal by, dReal bz);
+
+ODE_API void dRFromZAxis (dMatrix3 R, dReal ax, dReal ay, dReal az);
+
+ODE_API void dQSetIdentity (dQuaternion q);
+
+ODE_API void dQFromAxisAndAngle (dQuaternion q, dReal ax, dReal ay, dReal az,
+			 dReal angle);
+
+/* Quaternion multiplication, analogous to the matrix multiplication routines. */
+/* qa = rotate by qc, then qb */
+ODE_API void dQMultiply0 (dQuaternion qa, const dQuaternion qb, const dQuaternion qc);
+/* qa = rotate by qc, then by inverse of qb */
+ODE_API void dQMultiply1 (dQuaternion qa, const dQuaternion qb, const dQuaternion qc);
+/* qa = rotate by inverse of qc, then by qb */
+ODE_API void dQMultiply2 (dQuaternion qa, const dQuaternion qb, const dQuaternion qc);
+/* qa = rotate by inverse of qc, then by inverse of qb */
+ODE_API void dQMultiply3 (dQuaternion qa, const dQuaternion qb, const dQuaternion qc);
+
+ODE_API void dRfromQ (dMatrix3 R, const dQuaternion q);
+ODE_API void dQfromR (dQuaternion q, const dMatrix3 R);
+ODE_API void dDQfromW (dReal dq[4], const dVector3 w, const dQuaternion q);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif