interpolation/Linear/Vectors

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/LSL

Interpolation/Linear/Vectors

Summary

Function: vector pLin( list v, float t, integer Loop );

Linearly interpolates between two vector points in a list of vectors that define a path.
Returns a vector

• list	v
• float	t
• integer	Loop

Specification

<lsl>vector pLin(list v, float t, integer Loop) {

   integer l = llGetListLength(v); t *= l-1;
   integer f = llFloor(t); t -= f;
   return llList2Vector(v,pIndex(f,l,Loop))*(1-t) + llList2Vector(v,pIndex(f+1,l,Loop))*t;

} integer pIndex( integer Index, integer Length, integer Loop) {

   if(Loop) return Index % Length;
   if(Index < 0) return 0;
   if(Index > --Length) return Length;
   return Index;

} // Released into public domain. By Nexii Malthus.</lsl>

Examples

<lsl></lsl>