clear ranges on widget delete. add debug indices for slicing

src/kiri/slicer.js

@@ -239,7 +239,10 @@
             zOrdered.sort(function(a,b) { return a - b});
         }
 
-        if (useFlats) {
+        if (options.indices) {
+            zIndexes = options.indices;
+            zHeights = zIndexes.map(v => options.height);
+        } else if (useFlats) {
             zIndexes.appendAll(zOrdered);
         } else if (options.single) {
             // usually for laser single slice

src/mode/fdm/client.js

@@ -85,6 +85,11 @@
             });
         }
 
+        function clearRanges() {
+            API.conf.get().process.ranges = [];
+            UI.rangeGroup.firstElementChild.innerHTML = '';
+        }
+
         function updateRanges(ranges = []) {
             UI.rangeGroup.style.display = isFdmMode && ranges && ranges.length ? 'flex' : 'none';
             let html = [];
@@ -297,9 +302,16 @@
         });
         api.event.on("selection.scale", () => {
             if (isFdmMode) {
+                clearRanges();
                 func.sclear();
             }
         });
+        api.event.on("widget.delete", widget => {
+            if (isFdmMode) {
+                clearRanges();
+                return;
+            }
+        });
         api.event.on("widget.mirror", widget => {
             if (!isFdmMode) {
                 return;

src/mode/fdm/slice.js

@@ -153,7 +153,8 @@
             union: ctrl.healMesh,
             // debug: true,
             // xray: 3,
-            // view: view
+            // view: view,
+            indices: spro.indices
         }, onSliceDone, onSliceUpdate);
 
         function onSliceUpdate(update) {