From 3ff2961a6d6c60be6b06bcfe136bc277c9bf52bb Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Thu, 9 Dec 2021 22:01:12 +0800
Subject: [PATCH] update hair

---
 examples/dragon/infinity_dragon.scad | 72 ++++++++++++++++++++++++++--
 1 file changed, 67 insertions(+), 5 deletions(-)

diff --git a/examples/dragon/infinity_dragon.scad b/examples/dragon/infinity_dragon.scad
index c2ae774e..d67007a3 100644
--- a/examples/dragon/infinity_dragon.scad
+++ b/examples/dragon/infinity_dragon.scad
@@ -36,6 +36,67 @@ module tail() {
     tail_scales(100, 1.25, 4.5, -7, 1);
     tail_scales(110, 1.25, 3, -9, 1);
     tail_scales(120, 2.5, 2, -9, 1);   
+    translate([1, 0, -1])
+    rotate([0, -12, 0])
+    scale([.8, 1, 1])
+        hair();
+
+    module hair() {
+        tail_hair = [
+            [4, -1],
+            [8, -1.5],
+            [10, -1],
+            [13, .5],
+            [9, -0.2],
+            [10, 0],
+            [14, 3],
+            [17, 9.5],
+            [14, 8],
+            [12, 7],
+            [9, 6],
+            [11.5, 10],
+            [13, 12],
+            [16, 14],
+            [12, 13],
+            [8, 11],
+            [10, 14],
+            [5, 11],
+            [2, 8.5],
+            [-1, 3]
+        ];
+
+        rotate([-2.5, 0, 0])
+        translate([-1, .5, 5.5])
+        scale([1.1, 1, 1.3]) {
+            translate([2, 0, -3])
+            scale([2, 1, .8])
+            rotate([-90, 70, 15])
+            linear_extrude(.75, center = true)
+                polygon(tail_hair);
+
+            scale([.8, .9, .6])
+            translate([2, 0, -5])
+            scale([1.75, 1, .8])
+            rotate([-90, 70, 15]) {
+                linear_extrude(1.5, scale = 0.5)
+                    polygon(tail_hair);
+                mirror([0, 0, 1])
+                linear_extrude(1.5, scale = 0.5)
+                    polygon(tail_hair);
+            }
+
+            scale([.7, .7, .9])
+            translate([2, 0, -5])
+            scale([2, 1, .85])
+            rotate([-90, 70, 15]) {
+                linear_extrude(3.5, scale = 0.5)
+                    polygon(tail_hair);
+                mirror([0, 0, 1])
+                linear_extrude(3.5, scale = 0.5)
+                    polygon(tail_hair);
+            }
+        }    
+    }
 }
 
 module infinity_dragon() {
@@ -51,7 +112,7 @@ module infinity_dragon() {
     body_path0 = lemniscate_2circles(30, 5.25, $fn = 44);
     body_path = concat(
         [for(i = [22:len(body_path0) - 1]) body_path0[i]],
-        [for(i = [0:12]) body_path0[i]]
+        [for(i = [0:11]) body_path0[i]]
     );
     leng_body_path = len(body_path);
     angy_angz = __angy_angz(body_path[16], body_path[17]);
@@ -67,18 +128,19 @@ module infinity_dragon() {
     scale_tilt_a = 6;
     one_body_scale_data = one_body_scale(body_r, body_fn, scale_fn, scale_tilt_a);
 
-    along_with(body_path, scale = [0.5, 0.7, 0.5])    
+    along_with(body_path, scale = [0.45, 0.7, 0.45])    
     rotate([90, 90, 0])
         one_segment(body_r, body_fn, one_body_scale_data);
 
     ayz = __angy_angz(body_path[leng_body_path - 2], body_path[leng_body_path - 1]);
 
-    translate([1, 0, 0])
+    translate([0, 0, 0])
     translate(body_path[leng_body_path - 1])
-    rotate([0, ayz[0] + 96, ayz[1]])
+    rotate([0, ayz[0] + 95, ayz[1]])
     mirror([0, 0, 1])
     rotate(-12)
-    scale([0.55, 0.55, 0.85])
+    scale([0.5, 0.5, 0.85])
+    rotate([0, 0, 126])
         tail();
 
     translate([-20, -20, -5])