new(rbA:RigidBody, rbB:RigidBody, frameInA:Transform, frameInB:Transform, useLinearReferenceFrameB:Bool)
enableSpring(index:Int, onOff:Bool):Void
setDamping(index:Int, damping:Float):Void
setStiffness(index:Int, stiffness:Float):Void
getFrameOffsetA():Transform
setAngularLowerLimit(angularLower:Vector3):Void
setAngularUpperLimit(angularUpper:Vector3):Void
setLinearLowerLimit(linearLower:Vector3):Void
setLinearUpperLimit(linearUpper:Vector3):Void
@:value({ axis : -1 })setParam(num:Int, value:Float, axis:Int = -1):Void
setBreakingImpulseThreshold(threshold:Float):Void