dot notation indexing

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]],
+		xs = [for(p = points) p.x],
-		ys = [for(p = points) p[1]],
+		ys = [for(p = points) p.y],
 		max_x = max(xs),
 		min_x = min(xs),
 		max_y = max(ys),

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.x + b * pb.x + c * pc.x), 
-        (a * pa[1] + b * pb[1] + c * pc[1])
+        (a * pa.y + b * pb.y + c * pc.y)
     ] : [
-        (a * pa[0] + b * pb[0] + c * pc[0]), 
+        (a * pa.x + b * pb.x + c * pc.x), 
-        (a * pa[1] + b * pb[1] + c * pc[1]),
+        (a * pa.y + b * pb.y + c * pc.y),
-        (a * pa[2] + b * pb[2] + c * pc[2])
+        (a * pa.z + b * pb.z + c * pc.z)
     ]) / (a + b + c);

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));

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