cpConstraint

Typedefs
typedef void(*	cpConstraintPreSolveFunc )(cpConstraint *constraint, cpSpace *space)
	Callback function type that gets called before solving a joint.
typedef void(*	cpConstraintPostSolveFunc )(cpConstraint *constraint, cpSpace *space)
	Callback function type that gets called after solving a joint.

Functions
CP_EXPORT void	cpConstraintDestroy (cpConstraint *constraint)
	Destroy a constraint.
CP_EXPORT void	cpConstraintFree (cpConstraint *constraint)
	Destroy and free a constraint.
CP_EXPORT cpSpace *	cpConstraintGetSpace (const cpConstraint *constraint)
	Get the cpSpace this constraint is added to.
CP_EXPORT cpBody *	cpConstraintGetBodyA (const cpConstraint *constraint)
	Get the first body the constraint is attached to.
CP_EXPORT cpBody *	cpConstraintGetBodyB (const cpConstraint *constraint)
	Get the second body the constraint is attached to.
CP_EXPORT cpFloat	cpConstraintGetMaxForce (const cpConstraint *constraint)
	Get the maximum force that this constraint is allowed to use.
CP_EXPORT void	cpConstraintSetMaxForce (cpConstraint *constraint, cpFloat maxForce)
	Set the maximum force that this constraint is allowed to use. (defaults to INFINITY)
CP_EXPORT cpFloat	cpConstraintGetErrorBias (const cpConstraint *constraint)
	Get rate at which joint error is corrected.
CP_EXPORT void	cpConstraintSetErrorBias (cpConstraint *constraint, cpFloat errorBias)
	Set rate at which joint error is corrected. More...
CP_EXPORT cpFloat	cpConstraintGetMaxBias (const cpConstraint *constraint)
	Get the maximum rate at which joint error is corrected.
CP_EXPORT void	cpConstraintSetMaxBias (cpConstraint *constraint, cpFloat maxBias)
	Set the maximum rate at which joint error is corrected. (defaults to INFINITY)
CP_EXPORT cpBool	cpConstraintGetCollideBodies (const cpConstraint *constraint)
	Get if the two bodies connected by the constraint are allowed to collide or not.
CP_EXPORT void	cpConstraintSetCollideBodies (cpConstraint *constraint, cpBool collideBodies)
	Set if the two bodies connected by the constraint are allowed to collide or not. (defaults to cpFalse)
CP_EXPORT cpConstraintPreSolveFunc	cpConstraintGetPreSolveFunc (const cpConstraint *constraint)
	Get the pre-solve function that is called before the solver runs.
CP_EXPORT void	cpConstraintSetPreSolveFunc (cpConstraint *constraint, cpConstraintPreSolveFunc preSolveFunc)
	Set the pre-solve function that is called before the solver runs.
CP_EXPORT cpConstraintPostSolveFunc	cpConstraintGetPostSolveFunc (const cpConstraint *constraint)
	Get the post-solve function that is called before the solver runs.
CP_EXPORT void	cpConstraintSetPostSolveFunc (cpConstraint *constraint, cpConstraintPostSolveFunc postSolveFunc)
	Set the post-solve function that is called before the solver runs.
CP_EXPORT cpDataPointer	cpConstraintGetUserData (const cpConstraint *constraint)
	Get the user definable data pointer for this constraint.
CP_EXPORT void	cpConstraintSetUserData (cpConstraint *constraint, cpDataPointer userData)
	Set the user definable data pointer for this constraint.
CP_EXPORT cpFloat	cpConstraintGetImpulse (cpConstraint *constraint)
	Get the last impulse applied by this constraint.

Detailed Description

Function Documentation

CP_EXPORT void cpConstraintSetErrorBias	(	cpConstraint *	constraint,
		cpFloat	errorBias
	)

Set rate at which joint error is corrected.

Defaults to pow(1.0 - 0.1, 60.0) meaning that it will correct 10% of the error every 1/60th of a second.