From 11779cd013e4b8f8d8e298e480d7cf763a21e4e2 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@getdrop.com>
Date: Thu, 29 Nov 2018 03:01:05 +0000
Subject: maybe..

---
 gui/src/lineSegmenter.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'gui/src/lineSegmenter.cpp')

diff --git a/gui/src/lineSegmenter.cpp b/gui/src/lineSegmenter.cpp
index 14f6e24..495190d 100644
--- a/gui/src/lineSegmenter.cpp
+++ b/gui/src/lineSegmenter.cpp
@@ -62,6 +62,44 @@ int lineSegmenter::size(){
 	return line.size();
 }
 
+const vector <colourPolyline> & colourLineSegmenter::getSegments(int num,float coverage, float phase){
+
+	segments.clear();
+
+	for (int i=0;i<num;i++){
+		float startIndex=line.getIndexAtPercent((phase+i)/num); //always <1
+		float endPoint=(phase+i+coverage)/num; //can be >1
+		float endIndex=line.getIndexAtPercent(endPoint>1.0f?endPoint-1.0f:endPoint);
+		colourPolyline segment;
+		segment.addVertex(line.getPointAtIndexInterpolated(startIndex),line.getColourAtIndexInterpolated(startIndex));
+		for (int j=(int)ceil(startIndex);j<(endPoint>1?line.size():(int)ceil(endIndex));j++){
+			segment.addVertex(line[j],line.getColourAt(j));
+		}
+		if (endPoint>1){
+			segments.push_back(segment);
+			segment.clear();
+			for (int j=0;j<(int)ceil(endIndex);j++){
+				segment.addVertex(line[j],line.getColourAt(j));
+			}
+			segment.addVertex(line.getPointAtIndexInterpolated(endIndex),line.getColourAtIndexInterpolated(endIndex));
+		}
+		else {	
+			segment.addVertex(line.getPointAtIndexInterpolated(endIndex),line.getColourAtIndexInterpolated(endIndex));
+		}
+		segments.push_back(segment);	
+	}
+
+	return segments;
+}
+
+void colourLineSegmenter::draw(){
+	line.draw();
+	return;
+}
+int colourLineSegmenter::size(){
+	return line.size();
+}
+
 
 /*
 
-- 
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