mirror of https://github.com/axmolengine/axmol.git
59 lines
3.0 KiB
C
59 lines
3.0 KiB
C
/* 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 cpDampedRotarySpring cpDampedRotarySpring
|
|
/// @{
|
|
|
|
/// Check if a constraint is a damped rotary springs.
|
|
CP_EXPORT cpBool cpConstraintIsDampedRotarySpring(const cpConstraint *constraint);
|
|
|
|
/// Function type used for damped rotary spring force callbacks.
|
|
typedef cpFloat (*cpDampedRotarySpringTorqueFunc)(struct cpConstraint *spring, cpFloat relativeAngle);
|
|
|
|
/// Allocate a damped rotary spring.
|
|
CP_EXPORT cpDampedRotarySpring* cpDampedRotarySpringAlloc(void);
|
|
/// Initialize a damped rotary spring.
|
|
CP_EXPORT cpDampedRotarySpring* cpDampedRotarySpringInit(cpDampedRotarySpring *joint, cpBody *a, cpBody *b, cpFloat restAngle, cpFloat stiffness, cpFloat damping);
|
|
/// Allocate and initialize a damped rotary spring.
|
|
CP_EXPORT cpConstraint* cpDampedRotarySpringNew(cpBody *a, cpBody *b, cpFloat restAngle, cpFloat stiffness, cpFloat damping);
|
|
|
|
/// Get the rest length of the spring.
|
|
CP_EXPORT cpFloat cpDampedRotarySpringGetRestAngle(const cpConstraint *constraint);
|
|
/// Set the rest length of the spring.
|
|
CP_EXPORT void cpDampedRotarySpringSetRestAngle(cpConstraint *constraint, cpFloat restAngle);
|
|
|
|
/// Get the stiffness of the spring in force/distance.
|
|
CP_EXPORT cpFloat cpDampedRotarySpringGetStiffness(const cpConstraint *constraint);
|
|
/// Set the stiffness of the spring in force/distance.
|
|
CP_EXPORT void cpDampedRotarySpringSetStiffness(cpConstraint *constraint, cpFloat stiffness);
|
|
|
|
/// Get the damping of the spring.
|
|
CP_EXPORT cpFloat cpDampedRotarySpringGetDamping(const cpConstraint *constraint);
|
|
/// Set the damping of the spring.
|
|
CP_EXPORT void cpDampedRotarySpringSetDamping(cpConstraint *constraint, cpFloat damping);
|
|
|
|
/// Get the damping of the spring.
|
|
CP_EXPORT cpDampedRotarySpringTorqueFunc cpDampedRotarySpringGetSpringTorqueFunc(const cpConstraint *constraint);
|
|
/// Set the damping of the spring.
|
|
CP_EXPORT void cpDampedRotarySpringSetSpringTorqueFunc(cpConstraint *constraint, cpDampedRotarySpringTorqueFunc springTorqueFunc);
|
|
|
|
/// @}
|