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--- 4rpl:commands:signalgenerator [2024/05/29 19:57] – Grabz
+++ 4rpl:commands:signalgenerator [2025/09/03 16:43] (current) – [Sine wave in any direction without gaps] kalli
@@ Line 140: / Line 140: @@
 ->signalType				# type of signal generated
 .5 ->scale				# control the maximum size of movement
+</code>
+==== Sine wave in any direction without gaps ====
+{{ :4rpl:commands:sinewaveanydirection.png?nolink&600 |}}
+<code 4RPL>
+30 v2 165 91 v2 15 4.5 0 @getSinusoidCells ->list
+<-list 0 do
+	<-list[i] ev2 dup2 getterrain 5 add setterrain
+loop
+:getSingleLineCells # INPUTS: <-startCell <-endCell. OUTPUT: a list of cells.
+->cell1
+->cell0
+	<-cell1 <-cell0 sub ->dir
+	<-dir.0 abs <-dir.1 abs max ->length
+	<-length eq0 if 0 0 v2 else <-dir <-length asfloat div endif ->dirL
+	<-cell0
+	<-length 0 do
+		dup <-dirL add
+	loop
+	<-length 1 add listN
+:getSinusoidCells # INPUTS: <-startCell <-endCell <-amplitude <-intervals <-phaseShift01. OUTPUT: a list of cells.
+->shift # FLOAT between 0 and 1 that will shift the signal from signalgenerator.
+->intervals # Amount of signal intervals between first and last cell.
+->ampl
+->cell1
+->cell0
+clearstack
+<-cell0 <-cell1 @getSingleLineCells dup ->axisCells getlistcount ->axisLength
+<-axisLength asfloat <-intervals div -1 pow ->freq
+<-cell1 <-cell0 sub normalize ->dir
+<-dir.1 <-dir.0 neg v2 <-ampl mul ->dirP
+<-cell0
+<-axisLength 1 do
+	i <-freq <-shift 0 1 signalgenerator <-dirP mul <-axisCells[i] add @getSingleLineCells ListToStack
+loop
+list
 </code>
 <=[[4rpl:start| Index]]

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