From 55baeea6c8528fc68bbf807d6672586d545674dd Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart@neuron.com>
Date: Sun, 14 Feb 2021 16:21:51 -0500
Subject: [PATCH] fix mirroring. fix cache refresh bug

---
 app.js             | 12 ++++++++----
 src/kiri/widget.js |  6 ++++--
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/app.js b/app.js
index 81d9e24b..c0a26730 100644
--- a/app.js
+++ b/app.js
@@ -780,10 +780,14 @@ function getCachedFile(file, fn) {
             let smod = lastmod(filePath),
                 cmod = cached.mtime;
 
-            if (!smod) throw "missing source file";
-            if (smod > cmod) cached = null;
-
-            cached.lastcheck = now;
+            if (!smod) {
+                throw "missing source file";
+            }
+            if (smod > cmod) {
+                cached = null;
+            } else {
+                cached.lastcheck = now;
+            }
         }
     }
 
diff --git a/src/kiri/widget.js b/src/kiri/widget.js
index af00fe36..622f2e27 100644
--- a/src/kiri/widget.js
+++ b/src/kiri/widget.js
@@ -519,12 +519,14 @@
     PRO._mirror = function() {
         this.setWireframe(false);
         this.clearSlices();
-        this.mesh.applyMatrix4(new THREE.Matrix4().makeScale(-1, 1, 1));
+        let vert = this.getGeoVertices();
+        for (let i=0; i<vert.length; i += 3) {
+            vert[i] = -vert[i];
+        }
         let geo = this.mesh.geometry,
             o = this.track;
         geo.computeFaceNormals();
         geo.computeVertexNormals();
-        this.mesh.position.x = -this.mesh.position.x;
         o.mirror = !o.mirror;
         this.modified = true;
     };