ecmascript:

var finWarpL;
var finWarpR;

function initialize ()
{
	finWarpL = 0;
	finWarpR = 0;
}

function finL(value, timeStamp)
{
	if (value == 0)
	{
		finWarpL = 0;
	}
	else
	{
		finWarpL = 1;
	}
	//print ('finWarpL' + finWarpL);
}			 

function finR(value, timeStamp)
{
	if (value == 0)
	{
		finWarpR = 0;
	}
	else
	{
		finWarpR = 1;
	}
	//print ('finWarpR' + finWarpR);
}
function finMove(fraction, timeStamp)
 {  	
	if (finWarpL == 1)
	{
		// level 3 (warp outside) Left					
		kVL7 = new SFVec3f(1.25, 0, 25);  
     		kVL8 = new SFVec3f(2.5, 0, 30);
      		kVL9 = new SFVec3f(3.25, 0, 34);			
	}	
	else 
	{		
		// level -2 (warp inside) Left					
		kVL7 = new SFVec3f(-1.25, 0, 25);  
     		kVL8 = new SFVec3f(-2.5, 0, 30);
      		kVL9 = new SFVec3f(-3.25, 0, 34);	
	}

	if (finWarpR == 0)
	{		
		// level  1 (warp outside ) Right    			
		kVR7 = new SFVec3f(1.25, 0, 25);  
     		kVR8 = new SFVec3f(2.5, 0, 30);
      		kVR9 = new SFVec3f(3.25, 0, 34);	  	
	
	}	
	else 
	{		
		// level  -2 ( warp inside) Right      				
		kVR7 = new SFVec3f(-1.25, 0, 25);  
     		kVR8 = new SFVec3f(-2.5, 0, 30);
      		kVR9 = new SFVec3f(-3.25, 0, 34);
	}

	// Left Fin (fixed spine)
	kVL1 = new SFVec3f(0, 0, 1);  
     	kVL2 = new SFVec3f(0, 0, 5);
      	kVL3 = new SFVec3f(0, 0, 8);
	kVL4 = new SFVec3f(0, 0, 12); 
	kVL5 = new SFVec3f(0, 0, 15); 	
	kVL6 = new SFVec3f(0, 0, 18);			
      	keyValueL = new MFVec3f(kVL1, kVL2, kVL3, kVL4, kVL5, kVL6, kVL7, kVL8, kVL9);  
	
	// Right Fin (fixed spine)
	kVR1 = new SFVec3f(0, 0, 1);  
     	kVR2 = new SFVec3f(0, 0, 5);
      	kVR3 = new SFVec3f(0, 0, 8);
	kVR4 = new SFVec3f(0, 0, 12);  	
	kVR5 = new SFVec3f(0, 0, 15);
	kVR6 = new SFVec3f(0, 0, 18);			
      	keyValueR = new MFVec3f(kVR1, kVR2, kVR3, kVR4, kVR5, kVR6, kVR7, kVR8, kVR9);  
      	
	//tracePrint ('[keyValueL = ]' + keyValueL);     
	//tracePrint ('[keyValueR = ]' + keyValueR);     
			
}

function set_fraction (value, timeStamp)
{
	finMove(value);
	//tracePrint('time fraction =' + value);
	
}

function tracePrint (outputString)
{
	if (traceEnabled) Browser.println ('[Fin Move]' + outputString);
}