From e7c38fa876d28e970e0325f9c0b2899b9b85f724 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sat, 4 Dec 2021 11:23:04 +0800
Subject: [PATCH] dot notation indexing

---
 src/triangle/tri_delaunay.scad |  4 ++--
 src/triangle/tri_incenter.scad | 10 +++++-----
 src/turtle/footprints2.scad    |  2 +-
 src/turtle/lsystem2.scad       |  2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/triangle/tri_delaunay.scad b/src/triangle/tri_delaunay.scad
index 85c5892a..b0afa7d9 100644
--- a/src/triangle/tri_delaunay.scad
+++ b/src/triangle/tri_delaunay.scad
@@ -17,8 +17,8 @@ use <tri_delaunay_voronoi.scad>;
 function tri_delaunay(points, ret = "TRI_INDICES") = 
     let(
 		_indices_hash = function(indices) indices[3],
-		xs = [for(p = points) p[0]],
-		ys = [for(p = points) p[1]],
+		xs = [for(p = points) p.x],
+		ys = [for(p = points) p.y],
 		max_x = max(xs),
 		min_x = min(xs),
 		max_y = max(ys),
diff --git a/src/triangle/tri_incenter.scad b/src/triangle/tri_incenter.scad
index c2b76918..91de127f 100644
--- a/src/triangle/tri_incenter.scad
+++ b/src/triangle/tri_incenter.scad
@@ -18,10 +18,10 @@ function tri_incenter(shape_pts) =
 		c = norm(pa - pb)
     )
     (len(pa) == 2 ? [
-        (a * pa[0] + b * pb[0] + c * pc[0]), 
-        (a * pa[1] + b * pb[1] + c * pc[1])
+        (a * pa.x + b * pb.x + c * pc.x), 
+        (a * pa.y + b * pb.y + c * pc.y)
     ] : [
-        (a * pa[0] + b * pb[0] + c * pc[0]), 
-        (a * pa[1] + b * pb[1] + c * pc[1]),
-        (a * pa[2] + b * pb[2] + c * pc[2])
+        (a * pa.x + b * pb.x + c * pc.x), 
+        (a * pa.y + b * pb.y + c * pc.y),
+        (a * pa.z + b * pb.z + c * pc.z)
     ]) / (a + b + c);
\ No newline at end of file
diff --git a/src/turtle/footprints2.scad b/src/turtle/footprints2.scad
index b9df8e28..633ca8b7 100644
--- a/src/turtle/footprints2.scad
+++ b/src/turtle/footprints2.scad
@@ -13,7 +13,7 @@ use <turtle2d.scad>;
 
 function footprints2(cmds, start = [0, 0]) = 
     let(
-        t = turtle2d("create", start[0], start[1], 0),
+        t = turtle2d("create", start.x, start.y, 0),
         leng = len(cmds)
     )
     concat([turtle2d("pt", t)], _footprints2(cmds, t, leng));
\ No newline at end of file
diff --git a/src/turtle/lsystem2.scad b/src/turtle/lsystem2.scad
index 9d5a767f..df965c5c 100644
--- a/src/turtle/lsystem2.scad
+++ b/src/turtle/lsystem2.scad
@@ -21,7 +21,7 @@ function lsystem2(axiom, rules, n, angle, leng = 1, heading = 0, start = [0, 0],
         ])
     )
     _lines(
-        turtle2d("create", start[0], start[0], heading), 
+        turtle2d("create", start.x, start.y, heading), 
         codes,
         angle,
         leng