cpDampedRotarySpring.h

/* Copyright (c) 2013 Scott Lembcke and Howling Moon Software
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 * The above copyright notice and this permission notice shall be included in
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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CP_EXPORT cpBool cpConstraintIsDampedRotarySpring(const cpConstraint *constraint);

typedef cpFloat (*cpDampedRotarySpringTorqueFunc)(struct cpConstraint *spring, cpFloat relativeAngle);

CP_EXPORT cpDampedRotarySpring* cpDampedRotarySpringAlloc(void);
CP_EXPORT cpDampedRotarySpring* cpDampedRotarySpringInit(cpDampedRotarySpring *joint, cpBody *a, cpBody *b, cpFloat restAngle, cpFloat stiffness, cpFloat damping);
CP_EXPORT cpConstraint* cpDampedRotarySpringNew(cpBody *a, cpBody *b, cpFloat restAngle, cpFloat stiffness, cpFloat damping);

CP_EXPORT cpFloat cpDampedRotarySpringGetRestAngle(const cpConstraint *constraint);
CP_EXPORT void cpDampedRotarySpringSetRestAngle(cpConstraint *constraint, cpFloat restAngle);

CP_EXPORT cpFloat cpDampedRotarySpringGetStiffness(const cpConstraint *constraint);
CP_EXPORT void cpDampedRotarySpringSetStiffness(cpConstraint *constraint, cpFloat stiffness);

CP_EXPORT cpFloat cpDampedRotarySpringGetDamping(const cpConstraint *constraint);
CP_EXPORT void cpDampedRotarySpringSetDamping(cpConstraint *constraint, cpFloat damping);

CP_EXPORT cpDampedRotarySpringTorqueFunc cpDampedRotarySpringGetSpringTorqueFunc(const cpConstraint *constraint);
CP_EXPORT void cpDampedRotarySpringSetSpringTorqueFunc(cpConstraint *constraint, cpDampedRotarySpringTorqueFunc springTorqueFunc);