public interface ISpringI extends ITensionI
defaultTension| Modifier and Type | Method and Description | 
|---|---|
| double | len()get length | 
| ISpringI | len(double length)set length | 
| ISpringI | len(IVecI p1,
   IVecI p2)set length by two points | 
| double | length()alias of len | 
| ISpringI | length(double length)alias of len | 
| ISpringI | length(IVecI p1,
      IVecI p2)alias of len |