update demo

src/experimental/convex_hull.scad

@@ -1,11 +1,28 @@
-use <experimental/_impl/_convex_hull_impl.scad>;
+use <hull_polyline2d.scad>;
+use <experimental/voronoi_lines.scad>;
+use <experimental/convex_hull.scad>;
 
-function convex_hull(points) = 
+pt_nums = 50;
-    let(
+width = 1;
-        sorted = _convex_hull_sort_by_xy(points),
+points = [for(i = [0:pt_nums - 1]) rands(-50, 50, 2)];   
-        leng = len(sorted),
+  
-        lwr_ch = _convex_hull_lower_chain(sorted, leng, [], 0, 0),
+intersection() {  
-        leng_lwr_ch = len(lwr_ch),
+    for(line = voronoi_lines(points)) {
-        chain = _convex_hull_upper_chain(sorted, lwr_ch, leng_lwr_ch, leng_lwr_ch + 1, leng - 2)
+        hull_polyline2d(
-    )
+            line, 
-    [for(i = [0:len(chain) - 2]) chain[i]];
+            width = width,
+            $fn = 4
+        );
+    }
+    hull()
+    #for(p = points) {
+        translate(p)
+            circle(.5);
+    }
+}
+
+hull_pts = convex_hull(points);
+hull_polyline2d(
+    concat(hull_pts, [hull_pts[0]]), 
+    width = width, $fn = 4
+);