prosperon/source/engine/thirdparty/Chipmunk2D/include/chipmunk/cpGearJoint.h

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2022-01-19 16:43:21 -06:00
/* Copyright (c) 2013 Scott Lembcke and Howling Moon Software
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/// @defgroup cpGearJoint cpGearJoint
/// @{
/// Check if a constraint is a damped rotary springs.
CP_EXPORT cpBool cpConstraintIsGearJoint(const cpConstraint *constraint);
/// Allocate a gear joint.
CP_EXPORT cpGearJoint* cpGearJointAlloc(void);
/// Initialize a gear joint.
CP_EXPORT cpGearJoint* cpGearJointInit(cpGearJoint *joint, cpBody *a, cpBody *b, cpFloat phase, cpFloat ratio);
/// Allocate and initialize a gear joint.
CP_EXPORT cpConstraint* cpGearJointNew(cpBody *a, cpBody *b, cpFloat phase, cpFloat ratio);
/// Get the phase offset of the gears.
CP_EXPORT cpFloat cpGearJointGetPhase(const cpConstraint *constraint);
/// Set the phase offset of the gears.
CP_EXPORT void cpGearJointSetPhase(cpConstraint *constraint, cpFloat phase);
/// Get the angular distance of each ratchet.
CP_EXPORT cpFloat cpGearJointGetRatio(const cpConstraint *constraint);
/// Set the ratio of a gear joint.
CP_EXPORT void cpGearJointSetRatio(cpConstraint *constraint, cpFloat ratio);
/// @}