Ejemplo n.º 1
0
/* Simple test of cpConstraintIsGearJoint().
*/
void test_cpConstraintIsGearJoint(void)
{
	cpConstraint *isGear = cpGearJointNew(body1, body2, 1, 1); 
	cpConstraint *isNotGear = cpGrooveJointNew(body1, body2, cpv(0, 0), cpv(0, 0), cpv(3, 3));

	CU_ASSERT(cpConstraintIsGearJoint(isGear));
	CU_ASSERT_FALSE(cpConstraintIsGearJoint(isNotGear));
}
Ejemplo n.º 2
0
void
cpGearJointSetPhase(cpConstraint *constraint, cpFloat phase)
{
	cpAssertHard(cpConstraintIsGearJoint(constraint), "Constraint is not a ratchet joint.");
	cpConstraintActivateBodies(constraint);
	((cpGearJoint *)constraint)->phase = phase;
}
Ejemplo n.º 3
0
void
cpGearJointSetRatio(cpConstraint *constraint, cpFloat ratio)
{
	cpAssertHard(cpConstraintIsGearJoint(constraint), "Constraint is not a ratchet joint.");
	cpConstraintActivateBodies(constraint);
	((cpGearJoint *)constraint)->ratio = ratio;
	((cpGearJoint *)constraint)->ratio_inv = 1.0f/ratio;
}
Ejemplo n.º 4
0
cpFloat
cpGearJointGetRatio(const cpConstraint *constraint)
{
	cpAssertHard(cpConstraintIsGearJoint(constraint), "Constraint is not a ratchet joint.");
	return ((cpGearJoint *)constraint)->ratio;
}