From 97663dd6a3e7687b23d66f872673c69318a82880 Mon Sep 17 00:00:00 2001
From: Revar Desmera <revarbat@gmail.com>
Date: Mon, 9 Mar 2020 21:16:26 -0700
Subject: [PATCH] Fixed fractal_tree.scad for attachable() refactoring.

---
 examples/fractal_tree.scad | 29 ++++++++++++++++++-----------
 version.scad               |  2 +-
 2 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/examples/fractal_tree.scad b/examples/fractal_tree.scad
index c367a76..0cb34c2 100644
--- a/examples/fractal_tree.scad
+++ b/examples/fractal_tree.scad
@@ -15,27 +15,34 @@ module leaf(s) {
 	);
 }
 
-module branches(minsize){
-    if($parent_size2.x>minsize) {
+module branches(minsize, s1, s2){
+    if(s2>minsize) {
 		attach(TOP)
 		zrot(gaussian_rands(90,20)[0])
 		zrot_copies(n=floor(log_rands(2,5,4)[0]))
 		zrot(gaussian_rands(0,5)[0])
-		yrot(gaussian_rands(30,10)[0])
-		let(
-			sc = gaussian_rands(0.7,0.05)[0],
-			s1 = $parent_size.z*sc,
-			s2 = $parent_size2.x
-		)
-		cylinder(d1=s2, d2=s2*sc, l=s1)
-		branches(minsize);
+		yrot(gaussian_rands(30,10)[0]) {
+			sc = gaussian_rands(0.7,0.05)[0];
+			cylinder(d1=s2, d2=s2*sc, l=s1)
+				branches(minsize, s1*sc, s2*sc);
+		}
 	} else {
 		recolor("springgreen")
 		attach(TOP) zrot(90)
 		leaf(gaussian_rands(100,5)[0]);
 	}
 }
-recolor("lightgray") cylinder(d1=300, d2=250, l=1500) branches(10);
+
+module tree(h, d, minsize) {
+	sc = gaussian_rands(0.7,0.05)[0];
+	recolor("lightgray") {
+		cylinder(d1=d, d2=d*sc, l=h) {
+			branches(minsize, h, d*sc);
+		}
+	}
+}
+
+tree(d=300, h=1500, minsize=10);
 
 
 // vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
diff --git a/version.scad b/version.scad
index dca8fa0..276e940 100644
--- a/version.scad
+++ b/version.scad
@@ -8,7 +8,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,177];
+BOSL_VERSION = [2,0,178];
 
 
 // Section: BOSL Library Version Functions