Source code

<action name="startup" autorun="onstart">
	...
	set(Xmax,500);
	set(Xmin,200);
	set(Ymax,500);
	set(Ymin,200);
</action>

<scene name="scene_1"  onstart="delayedcall(0.1,test());" ...

<hotspot  name="spot" type="text" width="20.00" height="20.00" edge="center" 
	  bgcolor="0xFF0000" bgalpha="1" bgroundedge="10 10 10 10" /> 
					 
  <action name="test" >
	mul(valX, random, Xmax);
	if(valX LE Xmin, test(); , 
	         mul(valY, random, Ymax);
	         if(valY LE Ymin,test();  
		                 ,
		                  screentosphere(valX,valY, toh, tov);
		                  set(hotspot[spot].ath, get(toh));
		                  set(hotspot[spot].atv, get(tov));
	           );	
	   );
  </action>		
</scene>

Source code

<scene name="scene_1"  onstart="delayedcall(0.1,test(500,50,100,50));" ...

<hotspot  name="spot" type="text" width="20.00" height="20.00" bgcolor="0xFF0000" /> 
<!--  test(X max,X min,Y max,Y min); -->			 
<action name="test" scope="localonly" args="Xmax, Xmin, Ymax, Ymin">
	mul(valX, global.random, get(Xmax));
	mul(valY, global.random, get(Ymax));
	if(valX LE Xmin, test(get(Xmax), get(Xmin), get(Ymax), get(Ymin));
			, 
			 if(valY LE Ymin, test(get(Xmax), get(Xmin), get(Ymax), get(Ymin));
					 ,
					  screentosphere(valX,valY, global.hotspot[spot].ath, global.hotspot[spot].atv);
			 );	
		);
</action>