From acc773e9d78d963b49023f54a6a231511f05a3bb Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Fri, 19 Feb 2021 12:09:39 -0500
Subject: [PATCH] fix support density in ranges

---
 src/mode/fdm/prepare.js | 2 +-
 src/mode/fdm/slice.js   | 9 ++++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/mode/fdm/prepare.js b/src/mode/fdm/prepare.js
index e6f5ee92..be1c7c07 100644
--- a/src/mode/fdm/prepare.js
+++ b/src/mode/fdm/prepare.js
@@ -524,7 +524,7 @@
                 }
                 // add brim, if specified
                 if (first && firstLayerBrim) {
-                    let {emit, tool } = first;
+                    let { emit, tool } = first;
                     let y = maxy;
                     let z = minz;
                     let b = Math.max(firstLayerBrim, 1);
diff --git a/src/mode/fdm/slice.js b/src/mode/fdm/slice.js
index c38e9e73..f090632e 100644
--- a/src/mode/fdm/slice.js
+++ b/src/mode/fdm/slice.js
@@ -398,18 +398,21 @@
                     });
                     lastType = newType;
                 }, "infill");
-            } else if (isSynth && supportDensity) {
+            } else if (isSynth) {
                 forSlices(0.5, 0.7, slice => {
+                    let params = getRangeParameters(settings, slice.index);
+                    let density = params.sliceSupportDensity;
+                    if (density)
                     for (let top of slice.tops) {
                         let offset = [];
                         POLY.expand(top.shells, -nozzleSize/4, slice.z, offset);
-                        fillSupportPolys(offset, lineWidth, supportDensity, slice.z);
+                        fillSupportPolys(offset, lineWidth, density, slice.z);
                         top.fill_lines = offset.map(o => o.fill).flat().filter(v => v);
                     }
                 }, "infill");
             }
 
-            // belt supports are their own thing
+            // auto support generation
             if (!isBelt && !isSynth && supportDensity && spro.sliceSupportEnable) {
                 forSlices(0.7, 0.8, slice => {
                     doSupport(slice, spro, shadow);