From 520d0d806ae7f6ab91736539d55711f5d5b531cb Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Wed, 17 Nov 2021 19:05:52 -0500
Subject: [PATCH] fix purge blocks for second non-belt orientation

---
 src/kiri/export.js      |  2 +-
 src/mode/fdm/prepare.js | 19 +++++++++++++------
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/kiri/export.js b/src/kiri/export.js
index ef6fa913..63859cbf 100644
--- a/src/kiri/export.js
+++ b/src/kiri/export.js
@@ -563,7 +563,7 @@ console.log/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
                 KIRI.work.png({}, data => {
                     png = data.png;
                 });
-                // console.log({meta,palette});
+                console.log({meta,palette});
                 downloadPalette.onclick = function() {
                     KIRI.client.zip([
                         {name:"meta.json", data:JSON.stringify(meta,undefined,4)},
diff --git a/src/mode/fdm/prepare.js b/src/mode/fdm/prepare.js
index ca099a8e..24eab71b 100644
--- a/src/mode/fdm/prepare.js
+++ b/src/mode/fdm/prepare.js
@@ -250,7 +250,14 @@
 
         function mkblok(w,h) {
             let stepw = w + nozzle / 2;
-            if (bounds.min.x < bounds.min.y && !isBelt) {
+            if (isBelt) {
+                let my = (bounds.max.y + bounds.min.y) / 2;
+                let mp = (extcount * w) / 2 + (w / 2);
+                let py = my - mp;
+                blokpos = { x:bounds.max.x + 2 + h / 2, y:isBelt ? -mp : py};
+                walkpos = { x:0, y:stepw };
+                blok = { x:h, y:w };
+            } else if (bounds.min.x < bounds.min.y) {
                 let mx = (bounds.max.x + bounds.min.x) / 2;
                 let px = mx - (extcount * w) / 2 + (w / 2);
                 let dx = ((bounds.max.x - bounds.min.x) - (extcount * w)) / 2;
@@ -259,11 +266,11 @@
                 blok = { x:w, y:h };
             } else {
                 let my = (bounds.max.y + bounds.min.y) / 2;
-                let mp = (extcount * w) / 2 + (w / 2);
-                let py = my - mp;
-                blokpos = { x:bounds.max.x + 2 + h / 2, y:isBelt ? -mp : py};
-                walkpos = { x:0, y:stepw };
-                blok = { x:h, y:w };
+                let py = my - (extcount * w) / 2 + (w / 2);
+                let dy = ((bounds.max.y - bounds.min.y) - (extcount * w)) / 2;
+                blokpos = { y:py, x: bounds.max.x + 2 + h / 2};
+                walkpos = { y:stepw, x:0 };
+                blok = { x:w, y:h };
             }
         }