From 3cf45f4e07c362fe69233431ace87c5ae782bd3e Mon Sep 17 00:00:00 2001
From: Paul Kaplan <pkaplan@media.mit.edu>
Date: Tue, 15 Oct 2019 12:10:14 -0400
Subject: [PATCH] Fix video sensing by calling updateMatrix manually before
 using isTouching

---
 src/extensions/scratch3_video_sensing/library.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/extensions/scratch3_video_sensing/library.js b/src/extensions/scratch3_video_sensing/library.js
index 04abc20e..0f3c24f7 100644
--- a/src/extensions/scratch3_video_sensing/library.js
+++ b/src/extensions/scratch3_video_sensing/library.js
@@ -289,6 +289,11 @@ class VideoMotion {
                 _curr: curr
             } = this;
 
+            // The public APIs for Renderer#isTouching manage keeping the matrix and
+            // silhouette up-to-date, which is needed for drawable#isTouching to work
+            drawable.updateMatrix();
+            if (drawable.skin) drawable.skin.updateSilhouette();
+
             // Restrict the region the amount and direction are built from to
             // the area of the current frame overlapped by the given drawable's
             // bounding box.