From f165acfe5f5c87604d26a4e39668257d9ae3db14 Mon Sep 17 00:00:00 2001
From: Richard Davey <rdavey@gmail.com>
Date: Thu, 9 Nov 2017 17:10:33 +0000
Subject: [PATCH] Colliders can now be toggled from active to inactive.
 Collider.destroy added (but needs doing in World too).

---
 v3/src/physics/arcade/Collider.js | 16 ++++++++++++++++
 v3/src/physics/arcade/World.js    | 12 +++++++++++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/v3/src/physics/arcade/Collider.js b/v3/src/physics/arcade/Collider.js
index ec85d52b1..1f92bf840 100644
--- a/v3/src/physics/arcade/Collider.js
+++ b/v3/src/physics/arcade/Collider.js
@@ -10,6 +10,8 @@ var Collider = new Class({
     {
         this.world = world;
 
+        this.active = true;
+
         this.overlapOnly = overlapOnly;
 
         this.object1 = object1;
@@ -30,6 +32,20 @@ var Collider = new Class({
             this.callbackContext,
             this.overlapOnly
         );
+    },
+
+    destroy: function ()
+    {
+        this.world.removeCollider(this);
+
+        this.world = null;
+
+        this.object1 = null;
+        this.object2 = null;
+
+        this.collideCallback = null;
+        this.processCallback = null;
+        this.callbackContext = null;
     }
 
 });
diff --git a/v3/src/physics/arcade/World.js b/v3/src/physics/arcade/World.js
index 7e7e63ac1..20e303edc 100644
--- a/v3/src/physics/arcade/World.js
+++ b/v3/src/physics/arcade/World.js
@@ -249,6 +249,11 @@ var World = new Class({
         return collider;
     },
 
+    removeCollider: function (collider)
+    {
+        //  TODO
+    },
+
     update: function (time, delta)
     {
         if (this.isPaused || this.bodies.size === 0)
@@ -286,7 +291,12 @@ var World = new Class({
 
         for (i = 0; i < this.colliders.length; i++)
         {
-            this.colliders[i].update();
+            var collider = this.colliders[i];
+
+            if (collider.active)
+            {
+                collider.update();
+            }
         }
     },