From 7a80de11d82ed5f2277aefb9fd87b798accfdd16 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Thu, 18 Mar 2021 10:09:20 +0800
Subject: [PATCH] add tiles_wfc

---
 examples/tiles/tiles_wfc_tube.scad | 157 +++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 examples/tiles/tiles_wfc_tube.scad

diff --git a/examples/tiles/tiles_wfc_tube.scad b/examples/tiles/tiles_wfc_tube.scad
new file mode 100644
index 00000000..c6de37f4
--- /dev/null
+++ b/examples/tiles/tiles_wfc_tube.scad
@@ -0,0 +1,157 @@
+use <experimental/tiles_wfc.scad>;
+
+sample = [
+    [ 6, 12,  0,  0,  0,  0,  0,  0, 0,   6, 12],
+    [ 3, 15, 12,  6, 12,  6, 14, 14, 12,  3, 9],
+    [ 0,  3,  9,  3, 13,  7, 15, 15, 15, 12,  0],
+    [ 0,  0,  0,  6, 15, 15, 13,  7, 15, 13,  0],
+    [ 0,  6, 14, 15, 15, 15, 13,  7, 15, 13,  0],
+    [ 0,  7, 15, 11, 11, 15, 13,  3, 15,  9,  0],
+    [ 0,  7, 13, 6, 12,   7,  9,  0,  5,  0,  0],
+    [ 0,  7, 15, 11, 9,   5,  0,  6, 15, 12,  0],
+    [ 0,  3, 15, 14, 14, 13,  0,  7, 15, 13,  0],    
+    [ 6, 12,  3, 11, 11,  9,  0,  3, 11, 15, 12], 
+    [ 3,  9,  0,  0,  0,  0,  0,  0,  0,  3,  9]
+];
+
+tileW = 10;
+
+color("red") 
+translate([-len(sample) * tileW, 0]) {
+    text("       sample", valign = "center");
+    draw_tubes(sample, tileW);
+}
+
+width = 20;
+height = 20;
+draw_tubes(
+    tiles_wfc(width, height, sample), 
+    tileW
+);
+
+module draw_tubes(tiles, tileW) {
+	rows = len(tiles);
+	columns = len(tiles[0]);
+	for(y = [0:rows - 1]) {
+		for(x = [0:columns - 1]) {
+			translate([x, rows - y - 1] * tileW)
+			tube_tile(tiles[y][x], tileW);
+		}
+	}
+}
+
+module tube_tile(n, width) {
+    half_w = width / 2;
+	quarter_w = width / 4;
+	sixteenth_w = width / 16;
+	module tile1() {
+	    translate([0, half_w])
+	    rotate([90, 0, -90]) {
+			rotate_extrude(angle = 90)
+			translate([half_w, 0])
+			circle(quarter_w);
+			
+			translate([half_w, 0])
+			rotate([90, 0, 0])
+			linear_extrude(sixteenth_w, center = true)
+				circle(quarter_w * 1.2);
+				
+			translate([0, half_w])
+			rotate([0, 90, 0])
+			linear_extrude(sixteenth_w, center = true)
+				circle(quarter_w * 1.2);
+	    }
+	}
+	
+	module tile3() {
+	    mirror([1, 0, 0])
+	    translate([-half_w, 0, half_w])
+        rotate([0, 90, 0])
+		    tile1();
+	}
+
+	module tile5() {
+	    translate([0, 0, half_w])
+	    rotate([90, 0, 0]) {
+			linear_extrude(width, center = true)
+			circle(quarter_w);
+			
+			translate([0, 0, half_w])
+			linear_extrude(sixteenth_w, center = true)
+				circle(quarter_w * 1.2);
+				
+			translate([0, 0, -half_w])
+			linear_extrude(sixteenth_w, center = true)
+				circle(quarter_w * 1.2);
+		}
+	}
+	
+	module tile7() {
+        tile5();
+		
+		translate([0, 0, half_w])
+		rotate([0, 90, 0]) {
+			linear_extrude(half_w)
+			circle(quarter_w);
+			
+			translate([0, 0, half_w])
+			linear_extrude(sixteenth_w, center = true)
+				circle(quarter_w * 1.2);
+		}
+	}
+	
+	module tile15() {
+	    tile5();
+		rotate(90)
+		tile5();
+	}
+	
+	if(n == 0) {
+	    // no tube
+	}
+	else if(n == 1) {
+		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