FUNCTION myHelperForLinear : LREAL
VAR_INPUT
start : ARRAY [0..2] OF LREAL;
end : ARRAY [0..2] OF LREAL;
END_VAR
VAR
END_VAR
myHelperForLinear := SQRT((start[0]-end[0])*(start[0]-end[0]) + (start[1]-end[1])*(start[1]-end[1]) + (start[2]-end[2])*(start[2]-end[2]));