AutoVisual/IGPTheGreatMosqueOfKairouan.pde: Replacing all calls to getVectorOnAlphaCircle() with calls to static lists.

1 files changed, 33 insertions, 33 deletions

diff --git a/AutoVisual/IGPTheGreatMosqueOfKairouan.pde b/AutoVisual/IGPTheGreatMosqueOfKairouan.pde
index a13b5b3..3861ddf 100644
--- a/AutoVisual/IGPTheGreatMosqueOfKairouan.pde
+++ b/AutoVisual/IGPTheGreatMosqueOfKairouan.pde
@@ -19,29 +19,29 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
   void setVectorsOnOuterSquare(){
     vectorsOnOuterSquare = new ArrayList <PVector>(24);
     vectorsOnOuterSquare.add(alphaCircleVectors.get(0));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(45), getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(0)), getLineIntersection(getVectorOnAlphaCircle(225), getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(90)), mid.x+radius, false));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(45), mid.x+radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(2), alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(0)), getLineIntersection(alphaCircleVectorsSixteen.get(10), alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(4)), mid.x+radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(2), mid.x+radius, false));
     vectorsOnOuterSquare.add(new PVector(mid.x+radius, mid.y+radius));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(0), getVectorOnAlphaCircle(45), mid.y+radius, true));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(45), getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(0)), getLineIntersection(getVectorOnAlphaCircle(225), getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(270), getVectorOnAlphaCircle(0)), mid.y+radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(0), alphaCircleVectorsSixteen.get(2), mid.y+radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(2), alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(0)), getLineIntersection(alphaCircleVectorsSixteen.get(10), alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(12), alphaCircleVectorsSixteen.get(0)), mid.y+radius, true));
     vectorsOnOuterSquare.add(new PVector(mid.x, mid.y+radius));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(45), getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(90)), getLineIntersection(getVectorOnAlphaCircle(225), getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(270)), mid.y+radius, true));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(135), mid.y+radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(2), alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(4)), getLineIntersection(alphaCircleVectorsSixteen.get(10), alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(12)), mid.y+radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(6), mid.y+radius, true));
     vectorsOnOuterSquare.add(new PVector(mid.x-radius, mid.y+radius));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(135), mid.x-radius, false));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(225), getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(180)), getLineIntersection(getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(0), getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(45)), mid.x-radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(6), mid.x-radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(10), alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(8)), getLineIntersection(alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(0), alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(2)), mid.x-radius, false));
     vectorsOnOuterSquare.add(new PVector(mid.x-radius, mid.y));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(270), getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(225)), getLineIntersection(getVectorOnAlphaCircle(270), getVectorOnAlphaCircle(0), getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(45)), mid.x-radius, false));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(270), getVectorOnAlphaCircle(225), mid.x-radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(12), alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(10)), getLineIntersection(alphaCircleVectorsSixteen.get(12), alphaCircleVectorsSixteen.get(0), alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(2)), mid.x-radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(12), alphaCircleVectorsSixteen.get(10), mid.x-radius, false));
     vectorsOnOuterSquare.add(new PVector(mid.x-radius, mid.y-radius));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(225), mid.y-radius, true));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(225), getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(270)), getLineIntersection(getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(45)), mid.y-radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(10), mid.y-radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(10), alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(12)), getLineIntersection(alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(2)), mid.y-radius, true));
     vectorsOnOuterSquare.add(new PVector(mid.x, mid.y-radius));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(225), getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(270), getVectorOnAlphaCircle(0)), getLineIntersection(getVectorOnAlphaCircle(90), getVectorOnAlphaCircle(0), getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(45)), mid.y-radius, true));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(0), getVectorOnAlphaCircle(315), mid.y-radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(10), alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(12), alphaCircleVectorsSixteen.get(0)), getLineIntersection(alphaCircleVectorsSixteen.get(4), alphaCircleVectorsSixteen.get(0), alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(2)), mid.y-radius, true));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(0), alphaCircleVectorsSixteen.get(14), mid.y-radius, true));
     vectorsOnOuterSquare.add(new PVector(mid.x+radius, mid.y-radius));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getVectorOnAlphaCircle(270), getVectorOnAlphaCircle(315), mid.x+radius, false));
-    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(getVectorOnAlphaCircle(315), getVectorOnAlphaCircle(45), getVectorOnAlphaCircle(270), getVectorOnAlphaCircle(0)), getLineIntersection(getVectorOnAlphaCircle(135), getVectorOnAlphaCircle(225), getVectorOnAlphaCircle(180), getVectorOnAlphaCircle(270)), mid.x+radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(alphaCircleVectorsSixteen.get(12), alphaCircleVectorsSixteen.get(14), mid.x+radius, false));
+    vectorsOnOuterSquare.add(getVectorOnExtendedLine(getLineIntersection(alphaCircleVectorsSixteen.get(14), alphaCircleVectorsSixteen.get(2), alphaCircleVectorsSixteen.get(12), alphaCircleVectorsSixteen.get(0)), getLineIntersection(alphaCircleVectorsSixteen.get(6), alphaCircleVectorsSixteen.get(10), alphaCircleVectorsSixteen.get(8), alphaCircleVectorsSixteen.get(12)), mid.x+radius, false));
   }
 
   void setMiddleStar(){
@@ -70,25 +70,25 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     cornerPiece[0] = vectorsOnOuterSquare.get(2);
     cornerPiece[1] = vectorsOnOuterSquare.get(3);
     cornerPiece[2] = vectorsOnOuterSquare.get(4);
-    cornerPiece[3] = getVectorOnAlphaCircle(45);
+    cornerPiece[3] = alphaCircleVectorsSixteen.get(2);
     cornerPieces[0] = cornerPiece;
     cornerPiece = new PVector[4];
     cornerPiece[0] = vectorsOnOuterSquare.get(8);
     cornerPiece[1] = vectorsOnOuterSquare.get(9);
     cornerPiece[2] = vectorsOnOuterSquare.get(10);
-    cornerPiece[3] = getVectorOnAlphaCircle(135);
+    cornerPiece[3] = alphaCircleVectorsSixteen.get(6);
     cornerPieces[1] = cornerPiece;
     cornerPiece = new PVector[4];
     cornerPiece[0] = vectorsOnOuterSquare.get(14);
     cornerPiece[1] = vectorsOnOuterSquare.get(15);
     cornerPiece[2] = vectorsOnOuterSquare.get(16);
-    cornerPiece[3] = getVectorOnAlphaCircle(225);
+    cornerPiece[3] = alphaCircleVectorsSixteen.get(10);
     cornerPieces[2] = cornerPiece;
     cornerPiece = new PVector[4];
     cornerPiece[0] = vectorsOnOuterSquare.get(20);
     cornerPiece[1] = vectorsOnOuterSquare.get(21);
     cornerPiece[2] = vectorsOnOuterSquare.get(22);
-    cornerPiece[3] = getVectorOnAlphaCircle(315);
+    cornerPiece[3] = alphaCircleVectorsSixteen.get(14);
     cornerPieces[3] = cornerPiece;
   }
 
@@ -97,13 +97,13 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     PVector[] sidePiece = new PVector[6];
     sidePiece[0] = vectorsOnOuterSquare.get(0);
     sidePiece[1] = vectorsOnOuterSquare.get(2);
-    sidePiece[2] = getVectorOnAlphaCircle(45);
+    sidePiece[2] = alphaCircleVectorsSixteen.get(2);
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(2), vectorsOnOuterSquare.get(16), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(4));
     sidePiece[4] = getLineIntersection(vectorsOnOuterSquare.get(2), vectorsOnOuterSquare.get(16), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(6));
     sidePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(1), vectorsOnOuterSquare.get(11), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(4));
     sidePieces[0] = sidePiece;
     sidePiece = new PVector[6];
-    sidePiece[0] = getVectorOnAlphaCircle(45);
+    sidePiece[0] = alphaCircleVectorsSixteen.get(2);
     sidePiece[1] = vectorsOnOuterSquare.get(4);
     sidePiece[2] = vectorsOnOuterSquare.get(6);
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(2), vectorsOnOuterSquare.get(6), vectorsOnOuterSquare.get(5), vectorsOnOuterSquare.get(19));
@@ -113,13 +113,13 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     sidePiece = new PVector[6];
     sidePiece[0] = vectorsOnOuterSquare.get(6);
     sidePiece[1] = vectorsOnOuterSquare.get(8);
-    sidePiece[2] = getVectorOnAlphaCircle(135);
+    sidePiece[2] = alphaCircleVectorsSixteen.get(6);
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(10), vectorsOnOuterSquare.get(6), vectorsOnOuterSquare.get(8), vectorsOnOuterSquare.get(22));
     sidePiece[4] = getLineIntersection(vectorsOnOuterSquare.get(6), vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(8), vectorsOnOuterSquare.get(22));
     sidePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(10), vectorsOnOuterSquare.get(6), vectorsOnOuterSquare.get(7), vectorsOnOuterSquare.get(17));
     sidePieces[2] = sidePiece;
     sidePiece = new PVector[6];
-    sidePiece[0] = getVectorOnAlphaCircle(135);
+    sidePiece[0] = alphaCircleVectorsSixteen.get(6);
     sidePiece[1] = vectorsOnOuterSquare.get(10);
     sidePiece[2] = vectorsOnOuterSquare.get(12);
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(8), vectorsOnOuterSquare.get(11), vectorsOnOuterSquare.get(1));
@@ -127,7 +127,7 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     sidePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(10), vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(8), vectorsOnOuterSquare.get(12));
     sidePieces[3] = sidePiece;
     sidePiece = new PVector[6];
-    sidePiece[0] = getVectorOnAlphaCircle(225);
+    sidePiece[0] = alphaCircleVectorsSixteen.get(10);
     sidePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(16), vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(4), vectorsOnOuterSquare.get(14));
     sidePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(4), vectorsOnOuterSquare.get(14));
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(16), vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(23), vectorsOnOuterSquare.get(13));
@@ -139,11 +139,11 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     sidePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(14), vectorsOnOuterSquare.get(7), vectorsOnOuterSquare.get(17));
     sidePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(7), vectorsOnOuterSquare.get(17));
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(14), vectorsOnOuterSquare.get(2), vectorsOnOuterSquare.get(16));
-    sidePiece[4] = getVectorOnAlphaCircle(225);
+    sidePiece[4] = alphaCircleVectorsSixteen.get(10);
     sidePiece[5] = vectorsOnOuterSquare.get(16);
     sidePieces[5] = sidePiece;
     sidePiece = new PVector[6];
-    sidePiece[0] = getVectorOnAlphaCircle(315);
+    sidePiece[0] = alphaCircleVectorsSixteen.get(14);
     sidePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(22), vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(10));
     sidePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(10));
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(22), vectorsOnOuterSquare.get(19), vectorsOnOuterSquare.get(5));
@@ -156,7 +156,7 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     sidePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(23), vectorsOnOuterSquare.get(13));
     sidePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(23), vectorsOnOuterSquare.get(13));
     sidePiece[4] = getLineIntersection(vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(22), vectorsOnOuterSquare.get(8));
-    sidePiece[5] = getVectorOnAlphaCircle(315);
+    sidePiece[5] = alphaCircleVectorsSixteen.get(14);
     sidePieces[7] = sidePiece;
   }
 
@@ -171,7 +171,7 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     middlePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(23), vectorsOnOuterSquare.get(13));
     middlePieces[0] = middlePiece;
     middlePiece = new PVector[6];
-    middlePiece[0] = getVectorOnAlphaCircle(45);
+    middlePiece[0] = alphaCircleVectorsSixteen.get(2);
     middlePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(2), vectorsOnOuterSquare.get(6), vectorsOnOuterSquare.get(4), vectorsOnOuterSquare.get(14));
     middlePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(6), vectorsOnOuterSquare.get(4), vectorsOnOuterSquare.get(14));
     middlePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(1), vectorsOnOuterSquare.get(11), vectorsOnOuterSquare.get(5), vectorsOnOuterSquare.get(19));
@@ -187,7 +187,7 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     middlePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(2), vectorsOnOuterSquare.get(6), vectorsOnOuterSquare.get(5), vectorsOnOuterSquare.get(19));
     middlePieces[2] = middlePiece;
     middlePiece = new PVector[6];
-    middlePiece[0] = getVectorOnAlphaCircle(135);
+    middlePiece[0] = alphaCircleVectorsSixteen.get(6);
     middlePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(8), vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(10), vectorsOnOuterSquare.get(20));
     middlePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(1), vectorsOnOuterSquare.get(11), vectorsOnOuterSquare.get(10), vectorsOnOuterSquare.get(20));
     middlePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(1), vectorsOnOuterSquare.get(11), vectorsOnOuterSquare.get(7), vectorsOnOuterSquare.get(17));
@@ -203,7 +203,7 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     middlePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(1), vectorsOnOuterSquare.get(11), vectorsOnOuterSquare.get(8), vectorsOnOuterSquare.get(12));
     middlePieces[4] = middlePiece;
     middlePiece = new PVector[6];
-    middlePiece[0] = getVectorOnAlphaCircle(225);
+    middlePiece[0] = alphaCircleVectorsSixteen.get(10);
     middlePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(14), vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(16), vectorsOnOuterSquare.get(2));
     middlePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(7), vectorsOnOuterSquare.get(17), vectorsOnOuterSquare.get(16), vectorsOnOuterSquare.get(2));
     middlePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(7), vectorsOnOuterSquare.get(17), vectorsOnOuterSquare.get(13), vectorsOnOuterSquare.get(23));
@@ -211,7 +211,7 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     middlePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(4), vectorsOnOuterSquare.get(14), vectorsOnOuterSquare.get(12), vectorsOnOuterSquare.get(16));
     middlePieces[5] = middlePiece;
     middlePiece = new PVector[6];
-    middlePiece[0] = getVectorOnAlphaCircle(270);
+    middlePiece[0] = alphaCircleVectorsSixteen.get(12);
     middlePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(18), vectorsOnOuterSquare.get(22), vectorsOnOuterSquare.get(19), vectorsOnOuterSquare.get(5));
     middlePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(10), vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(19), vectorsOnOuterSquare.get(5));
     middlePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(10), vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(16), vectorsOnOuterSquare.get(2));
@@ -219,7 +219,7 @@ class IGPTheGreatMosqueOfKairouan extends IGPSquare{
     middlePiece[5] = getLineIntersection(vectorsOnOuterSquare.get(7), vectorsOnOuterSquare.get(17), vectorsOnOuterSquare.get(14), vectorsOnOuterSquare.get(18));
     middlePieces[6] = middlePiece;
     middlePiece = new PVector[6];
-    middlePiece[0] = getVectorOnAlphaCircle(315);
+    middlePiece[0] = alphaCircleVectorsSixteen.get(14);
     middlePiece[1] = getLineIntersection(vectorsOnOuterSquare.get(20), vectorsOnOuterSquare.get(0), vectorsOnOuterSquare.get(22), vectorsOnOuterSquare.get(8));
     middlePiece[2] = getLineIntersection(vectorsOnOuterSquare.get(13), vectorsOnOuterSquare.get(23), vectorsOnOuterSquare.get(22), vectorsOnOuterSquare.get(8));
     middlePiece[3] = getLineIntersection(vectorsOnOuterSquare.get(13), vectorsOnOuterSquare.get(23), vectorsOnOuterSquare.get(19), vectorsOnOuterSquare.get(5));