From beeea2387c5738f6ce50da6b561334b0360adb75 Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Tue, 9 Feb 2021 19:08:28 -0500
Subject: [PATCH] drop wipe endpoints outside centering poly. drop fill attempt
 for anchor lines

---
 src/kiri/print.js       | 5 ++++-
 src/kiri/worker.js      | 3 ++-
 src/mode/fdm/prepare.js | 5 ++++-
 src/mode/fdm/slice.js   | 5 ++++-
 4 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/kiri/print.js b/src/kiri/print.js
index 38ec0d61..60e17c5f 100644
--- a/src/kiri/print.js
+++ b/src/kiri/print.js
@@ -544,7 +544,10 @@
                 let last = array.last();
                 last.retract = true;
                 if (wipeDist && lastPoly && last.point) {
-                    addOutput(array, last.point.followTo(lastPoly.center(true), wipeDist));
+                    let endpoint = last.point.followTo(lastPoly.center(true), wipeDist);
+                    if (endpoint.inPolygon(lastPoly)) {
+                        addOutput(array, endpoint);
+                    }
                 }
             } else if (opt.pretract) {
                 opt.pretract(wipeDist);
diff --git a/src/kiri/worker.js b/src/kiri/worker.js
index 40148221..4d2e1780 100644
--- a/src/kiri/worker.js
+++ b/src/kiri/worker.js
@@ -608,7 +608,8 @@ self.onmessage = function(e) {
                 data: output
             });
         } catch (wrkerr) {
-            console.log({wrkerr});
+            // console.log(wrkerr);
+            console.trace(wrkerr.stack);
             send.done({error: wrkerr.toString()});
         }
     } else {
diff --git a/src/mode/fdm/prepare.js b/src/mode/fdm/prepare.js
index 9a368da6..b5d2ee5b 100644
--- a/src/mode/fdm/prepare.js
+++ b/src/mode/fdm/prepare.js
@@ -409,7 +409,10 @@
                                 let lastOut = lastLayer.last();
                                 lastOut.retract = true;
                                 if (wipeDist && lastPoly && lastOut.point) {
-                                    print.addOutput(lastLayer, lastOut.point.followTo(lastPoly.center(true).add(offset), wipeDist));
+                                    let endpoint = lastOut.point.followTo(lastPoly.center(true).add(offset), wipeDist);
+                                    if (endpoint.inPolygon(lastPoly)) {
+                                        print.addOutput(lastLayer, endpoint);
+                                    }
                                 }
                             }
                         }
diff --git a/src/mode/fdm/slice.js b/src/mode/fdm/slice.js
index 77b623a0..6eaf1a44 100644
--- a/src/mode/fdm/slice.js
+++ b/src/mode/fdm/slice.js
@@ -943,6 +943,10 @@
 
         // create empty filled line array for each top
         tops.forEach(function(top) {
+            // synth belt anchor tops don't want fill
+            if (!top.fill_lines) {
+                return;
+            }
             const tofill = [];
             const angfill = [];
             const newfill = [];
@@ -968,7 +972,6 @@
                     top.fill_lines_ang.poly.push(af.clone());
                 });
             }
-
             top.fill_lines.appendAll(newfill);
         });