From 30dda882eb37df92e593a0e16ca60db31414c2e0 Mon Sep 17 00:00:00 2001
From: Richard Davey <rich@photonstorm.com>
Date: Tue, 8 Jan 2019 11:50:21 +0000
Subject: [PATCH] `Matter.TileBody.setFromTileCollision` no longer checks if
 the shape is concave or convex before modifying the vertices, as the update
 to the Matter.js lib in 3.12 stopped this from working with Tiled collision
 shapes.

---
 CHANGELOG.md                            |  1 +
 src/physics/matter-js/MatterTileBody.js | 14 ++++++++------
 src/physics/matter-js/World.js          |  2 +-
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 037b224bc..d591ee057 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -211,6 +211,7 @@ one set of bindings ever created, which makes things a lot cleaner.
 * `WebGLRenderer.preRender` now calls `gl.clearColor` in order to restore the background clear color in case something, like a Render Texture, has changed it.
 * `Map.set` will now update an existing value if you provide it with a key that already exists within the Map. Previously, if you tried to set the value of a key that existed it would be skipped.
 * `MatterSprite` would set its `type` property to be `Image`. It now sets it to be `Sprite` as it should do.
+* `Matter.TileBody.setFromTileCollision` no longer checks if the shape is concave or convex before modifying the vertices, as the update to the Matter.js lib in 3.12 stopped this from working with Tiled collision shapes.
 
 ### Bug Fixes
 
diff --git a/src/physics/matter-js/MatterTileBody.js b/src/physics/matter-js/MatterTileBody.js
index e22e46a76..260ea8568 100644
--- a/src/physics/matter-js/MatterTileBody.js
+++ b/src/physics/matter-js/MatterTileBody.js
@@ -220,12 +220,14 @@ var MatterTileBody = new Class({
                 // matter expects points to be relative to the center of mass. This only applies to
                 // convex shapes. When a concave shape is decomposed, multiple parts are created and
                 // the individual parts are positioned relative to (ox, oy).
-                if (Vertices.isConvex(points))
-                {
-                    var center = Vertices.centre(vertices);
-                    ox += center.x;
-                    oy += center.y;
-                }
+                //
+                //  Update: 8th January 2019 - the latest version of Matter needs the Vertices adjusted,
+                //  regardless if convex or concave.
+
+                var center = Vertices.centre(vertices);
+
+                ox += center.x;
+                oy += center.y;
 
                 body = Bodies.fromVertices(ox, oy, vertices, options);
             }
diff --git a/src/physics/matter-js/World.js b/src/physics/matter-js/World.js
index 0a8fda1e5..862043dee 100644
--- a/src/physics/matter-js/World.js
+++ b/src/physics/matter-js/World.js
@@ -537,7 +537,7 @@ var World = new Class({
     convertTilemapLayer: function (tilemapLayer, options)
     {
         var layerData = tilemapLayer.layer;
-        var tiles = tilemapLayer.getTilesWithin(0, 0, layerData.width, layerData.height, {isColliding: true});
+        var tiles = tilemapLayer.getTilesWithin(0, 0, layerData.width, layerData.height, { isColliding: true });
 
         this.convertTiles(tiles, options);