From bddbb3f9dd5f9a689e0b2ce7dbb8f39c34dbbc5d Mon Sep 17 00:00:00 2001
From: Erwin Coumans
 <erwincoumans@erwincoumans-macbookpro2.roam.corp.google.com>
Date: Thu, 25 Jan 2018 16:02:47 -0800
Subject: [PATCH] TinyRenderer color pick: fix out-of-bounds issue

---
 .../tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp b/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp
index 8697f0b60..c399a2c65 100644
--- a/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp
+++ b/examples/SharedMemory/plugins/tinyRendererPlugin/TinyRendererVisualShapeConverter.cpp
@@ -590,6 +590,7 @@ void TinyRendererVisualShapeConverter::convertVisualShapes(
 			int colorIndex = linkIndex;//colObj? colObj->getBroadphaseHandle()->getUid() & 3 : 0;
 			if (colorIndex<0)
 				colorIndex=0;
+			colorIndex &=3;
 			btVector4 color;
 			color = sColors[colorIndex];
 			float rgbaColor[4] = {color[0],color[1],color[2],color[3]};