Animator Embedding

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Class

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Animator Embedding

Animator is designed to model particle dynamics in two dimensions using JavaScript.

Animator is embedded using the following html tag:

<applet
  code="animator4.Animator.class"
  codebase="../classes"
  archive="Animator4_.jar,STools4.jar"
  name="animator" 
  width="250"
  height="250">

<param name="FPS" value="10" />
<param name="ShowControls" value="false" />
<param name="Dt" value="0.02" />
<param name="PixPerUnit" value="10" />
<param name="GridUnit" value="1.0" />
</applet>

Edit the codebase parameter to reference the archive directory.

Animator Parameters
ShowConttrols	boolean	True to show user interface.
FPS	int	Animation frames per second.
Dt	double	Pixels per unit scaling parameter.
PixPerUnit	double	The initial temperature.
GridUnit	double	Grid size in world units; GridUnit=0 disables grid.
STools Parameters
AppletNames	string	A comma delimited list of applet names occurring within this html page. (See OnLoad.)
Debug	int	Enables debugging messages in Java console; 0 = no messages, 255 = verbose messages.
OnLoad	string	A JavaScript function that will be invoked using LiveConnect after all applets have been loaded. (See AppletNames.)
Resources	string	A file containing translations of internal text such as buttons and labels.

Animator Script

A typical Animator script is written as follows:

<script LANGUAGE="JavaScript">
function demo(){       
   document.animator.setDefault();
   document.animator.shiftPixOrigin(-100,0)
   document.animator.setPixPerUnit(10);
   document.animator.setGridUnit(1);
   id=document.animator.addObject("rectangle","w=50, h=15");
   document.animator.setTrajectory(id,"5*t*t","0");
   document.animator.setRGB(id,255,0,0);
   id=document.animator.addObject("arrow","h=5,v=0");
   document.animator.setTrajectory(id,"5*t*t","0");
   document.animator.setRGB(id,0,0,255);
   document.animator.setCaption("Demo 2");
   document.animator.setTimeInterval(0,2);
   document.animator.forward();
}
</script>