Usage:
You can use the mouse, as well as typing commands into the textbox prompt at the top of the applet.
Recent work includes the ability to multi-select elements by right-dragging. You can then selectively apply mass and stiffness using "m [mass]" and "k [stiffness]"
To fix selected elements type "fix"
Mouse Use:
Embed:
<applet codebase="http://www.kkava.com/java/springthing" code="SpringThing.class" archive="SpringThing.jar" width="600" height="600">
<param name="mode" value="basic">
<param name="script" value="ms 2;f false;omvs 40 45;ps 3;ff;bgf 0 125 200 4000 20;imgmap2 grad2.jpg;">
</applet>