fix contour rendering

notes.md

@@ -2,7 +2,6 @@
 
 NEXT
 - contour outside part boundaries
-- fdm first level height render
 
 ## `C` cosmetic, `F` functional, `P` performance, `B` bug fix
 
@@ -16,8 +15,7 @@ NEXT
 
 # FDM
 
-* `B` fix preview/gcode layer size (first layer)
-* `B` fix adaptive slicing with multi-extruder
+* `B` fix adaptive slicing. also with multi-extruder
 * `B` fix supports with grouped parts
 * `F` speculative background preview generation
 * `F` control for size of purge block (with 0=disabled)

src/mode/cam/prepare.js

@@ -35,7 +35,15 @@
 
         print.render = KIRI.driver.FDM.prepareRender(print.output, progress => {
             update(0.5 + progress * 0.5);
-        }, { thin: true, print: 0, move: 0x003366, speed: false, moves: true });
+        }, {
+            thin: true,
+            print: 0,
+            move: 0x003366,
+            speed: false,
+            moves: true,
+            other: "moving",
+            action: "milling"
+        });
 
         return print.render;
     };

src/mode/fdm/prepare.js

@@ -436,23 +436,18 @@
             const output = new KIRI.Render();
             layers.push(output);
 
-            // const updateTool = (toolid) => {
-            //     toolid = toolid || 0;
-            //     const array = prints[toolid] = prints[toolid] || [];
-            //     const tool = tools[toolid] || {};
-            //     array.width = (tool.extNozzle || 1) / 2;
-            // }
-
             const pushPrint = (toolid, poly) => {
                 toolid = toolid || 0;
                 const array = prints[toolid] = prints[toolid] || [];
                 const tool = tools[toolid] || {};
                 array.width = (tool.extNozzle || 1) / 2;
                 array.push(poly);
+                emits++;
             };
 
             let height = level.height / 2;
             let width = 1;
+            let emits = 0;
 
             level.forEach(out => {
                 if (!out.point) {
@@ -469,7 +464,6 @@
                             current.color = color(out);
                             pushPrint(out.tool, current);
                         }
-                        // updateTool(out.tool);
                         current.push(out.point);
                     } else {
                         if (lastOut.emit) {
@@ -491,13 +485,12 @@
                 }
                 lastOut = out;
             });
-            // if (lastOut.emit) {
-            //     pushPrint(lastOut.tool, current)
-            // } else {
-            //     moves.push(current);
-            // }
+            // all moves with an emit at the very end (common in contouring)
+            if (lastOut.emit && !emits) {
+                pushPrint(lastOut.tool, current)
+            }
             output
-                .setLayer('move', moveColor, opts.moves !== true)
+                .setLayer(opts.other || 'move', moveColor, opts.moves !== true)
                 .addPolys(moves, { thin: true, z: opts.z });
             Object.values(prints).forEach(array => {
                 array.forEach(poly => { if (poly.length > 1) output