From 3784469c59250a7f72e08da5601319f9e9479bfd Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sat, 31 Jul 2021 16:23:26 +0800
Subject: [PATCH] refactor

---
 examples/tiles/tiles_wfc_tube.scad | 39 ++++++------------------------
 1 file changed, 7 insertions(+), 32 deletions(-)

diff --git a/examples/tiles/tiles_wfc_tube.scad b/examples/tiles/tiles_wfc_tube.scad
index 3a0fd265..e21ff9b9 100644
--- a/examples/tiles/tiles_wfc_tube.scad
+++ b/examples/tiles/tiles_wfc_tube.scad
@@ -1,4 +1,5 @@
 use <experimental/tile_wfc.scad>;
+use <experimental/select.scad>;
 
 sample = [
     [ 6, 12,  0,  0,  0,  0,  0,  0, 0,   6, 12],
@@ -104,53 +105,27 @@ module tube_tile(n, width) {
 		rotate(90)
 		tile5();
 	}
+
+	module tile0() {
+		// nope
+	}
 	
-	if(n == 0) {
-	    // no tube
-	}
-	else if(n == 1) {
+    select(n) {
+		tile0();
 		tile1();
-	}
-	else if(n == 2) {
 	    rotate(-90) tile1();
-	}
-	else if(n == 3) {
 	    tile3();
-	}
-	else if(n == 4) {
 	    rotate(-180) tile1();
-	}
-	else if(n == 5) {
 	    tile5();
-	}
-	else if(n == 6) {
 	    rotate(-90) tile3();
-	}
-	else if(n == 7) {
 	    tile7();
-	}
-	else if(n == 8) {
 	    rotate(90) tile1();
-	}
-	else if(n == 9) {
 	    rotate(90) tile3();
-	}
-	else if(n == 10) {
 	    rotate(90) tile5();
-	}
-	else if(n == 11) {
 	    rotate(90) tile7();
-	}
-	else if(n == 12) {
 	    rotate(-180) tile3();
-	}
-	else if(n == 13) {
 	    rotate(180) tile7();
-	}
-	else if(n == 14) {
 	    rotate(270) tile7();
-	}
-	else if(n == 15) {
 	    tile15();
 	}
 }
\ No newline at end of file