Changes made:


remade everything from lookang, Fu-Kwun http://weelookang.blogspot.sg/2010/06/ejs-open-source-represent-vector.html
re-used some elements from andreu glasmann, wolfgang christian, mario belloni Physlet Physics illustration 3.1. found in the Davidson College Digital Library for Physlets View the Physlet Two-Dimensional Kinematics Illustrations Package to speed up development as per legally allowed by creative commons attribution, sharelike. i esepcially liked the ability to interact with the vector now, thanks to Prof Paco author of EJS 5.
added ability to animate, thanks to idea from https://www.desmos.com/ and http://www.geogebra.org/
added angle thanks to Prof Fu-Kwun guidance on some other works some years back!
added ability to resolve along any perpendicular axes
added ability to remember x' axes values after reset

Changes made:


remade everything from lookang, Fu-Kwun http://weelookang.blogspot.sg/2010/06/ejs-open-source-represent-vector.html
re-used some elements from andreu glasmann, wolfgang christian, mario belloni Physlet Physics illustration 3.1. found in the Davidson College Digital Library for Physlets View the Physlet Two-Dimensional Kinematics Illustrations Package to speed up development as per legally allowed by creative commons attribution, sharelike. i esepcially liked the ability to interact with the vector now, thanks to Prof Paco author of EJS 5.
added ability to animate, thanks to idea from https://www.desmos.com/ and http://www.geogebra.org/
added angle thanks to Prof Fu-Kwun guidance on some other works some years back!