From 4c8c61a6241e4b1f92a35e92004d550474895644 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Fri, 1 Jan 2016 17:29:07 +0100
Subject: AutoVisual/IGP{Family,Square}.pde: Simplifying
 createDiagonalConstructionLines{OnOuterSquare,OnAlphaCircle}(). Adding
 createDiagonalconstructionLinesOnOuterSquare() to IGPSquare class.

---
 AutoVisual/IGPFamily.pde | 13 +++++++++----
 AutoVisual/IGPSquare.pde |  2 +-
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/AutoVisual/IGPFamily.pde b/AutoVisual/IGPFamily.pde
index 2dc2398..3108686 100644
--- a/AutoVisual/IGPFamily.pde
+++ b/AutoVisual/IGPFamily.pde
@@ -97,10 +97,15 @@ class IGPFamily {
     createLine(alphaCircleVectors.get(3), alphaCircleVectors.get(9));
   }
 
-  void createDiagonalConstructionLines(){
-    //TODO: add for 16 parts
-    createLine(new PVector(constructionCircleCenters.get(1).x-radius, constructionCircleCenters.get(2).y-radius), new PVector(constructionCircleCenters.get(3).x+radius, constructionCircleCenters.get(0).y+radius));   
-    createLine(new PVector(constructionCircleCenters.get(1).x+radius, constructionCircleCenters.get(0).y-radius), new PVector(constructionCircleCenters.get(3).x-radius, constructionCircleCenters.get(2).y+radius));   
+  void createDiagonalConstructionLinesOnOuterSquare(){
+    createLine(new PVector(mid.x+radius, mid.y+radius), new PVector(mid.x-radius, mid.y-radius));
+    createLine(new PVector(mid.x+radius, mid.y-radius), new PVector(mid.x-radius, mid.y+radius));
+  }
+
+  void createDiagonalConstructionLinesOnAlphaCircle(){
+    //TODO: use PVectors from ArrayList
+    createLine(getVectorOnAlphaCircle(45), getVectorOnAlphaCircle(225));
+    createLine(getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(315));
   }
 
   void createInnerHexagon(){
diff --git a/AutoVisual/IGPSquare.pde b/AutoVisual/IGPSquare.pde
index b1e8669..3c3e2a3 100644
--- a/AutoVisual/IGPSquare.pde
+++ b/AutoVisual/IGPSquare.pde
@@ -100,7 +100,7 @@ class IGPSquare extends IGPFamily {
 
   void displayConstructionLines(){
     super.displayConstructionLines();
-    createDiagonalConstructionLines();
+    createDiagonalConstructionLinesOnOuterSquare();
     if (parts == 16){
       createInnerSquare();
       createInnerSquareTilted(45);
-- 
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