cpConstraint * cpSimpleMotorNew(cpBody *a, cpBody *b, cpFloat rate) { return (cpConstraint *)cpSimpleMotorInit(cpSimpleMotorAlloc(), a, b, rate); }
void wrSimpleMotorInit(cpFloat rate, cpSimpleMotor *joint, cpBody *a, cpBody *b) { cpSimpleMotorInit(joint, a, b, rate); }