/* 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 cpSimpleMotor cpSimpleMotor /// @{ /// Opaque struct type for damped rotary springs. typedef struct cpSimpleMotor cpSimpleMotor; /// Check if a constraint is a damped rotary springs. CP_EXPORT cpBool cpConstraintIsSimpleMotor(const cpConstraint *constraint); /// Allocate a simple motor. CP_EXPORT cpSimpleMotor* cpSimpleMotorAlloc(void); /// initialize a simple motor. CP_EXPORT cpSimpleMotor* cpSimpleMotorInit(cpSimpleMotor *joint, cpBody *a, cpBody *b, cpFloat rate); /// Allocate and initialize a simple motor. CP_EXPORT cpConstraint* cpSimpleMotorNew(cpBody *a, cpBody *b, cpFloat rate); /// Get the rate of the motor. CP_EXPORT cpFloat cpSimpleMotorGetRate(const cpConstraint *constraint); /// Set the rate of the motor. CP_EXPORT void cpSimpleMotorSetRate(cpConstraint *constraint, cpFloat rate); /// @}