node based orbit circularization

library/lib_math.ks

@@ -7,26 +7,11 @@ declare function Lerp{
 
 declare function Map{
 	parameter value.
-	parameter low1.
-	parameter high1.
-	parameter low2.
-	parameter high2.
-	return low2 + (high2 - low2) * ((value - low1) / (high1 - low1)).
-}
-
-declare function ApproximateExp {
-    parameter x.
-    local result is 1.0. 
-    local xPower is 1.0.
-    local nFact is 1.0.
-
-    // Loop 4 times (for terms 1 through 4, total 5 terms)
-	from { local n is 1.} until n = 5 step {set n to n + 1.} do {
-        SET xPower TO xPower * x.
-        SET nFact TO nFact * n.
-        SET result TO result + (xPower / nFact).
-    }
-    RETURN result.
+	parameter a1.
+	parameter a2.
+	parameter b1.
+	parameter b2.
+	return b1 + (b2 - b1) * ((value - a1) / (a2 - a1)).
 }
 
 declare function EaseOutExpo {