From 15e063093033ccd41de0ae890e3132e3dd44c372 Mon Sep 17 00:00:00 2001
From: Olivier Biot <olivier.biot@me.com>
Date: Mon, 6 Sep 2021 16:16:12 +0800
Subject: [PATCH] [#1008] move some initialization "logic" from Entity to Body

---
 src/entity/entity.js | 20 +++++---------------
 src/physics/body.js  | 28 +++++++++++++++++++++++++---
 2 files changed, 30 insertions(+), 18 deletions(-)

diff --git a/src/entity/entity.js b/src/entity/entity.js
index c1731c8269..8652a214fe 100644
--- a/src/entity/entity.js
+++ b/src/entity/entity.js
@@ -3,14 +3,14 @@ import Renderable from "./../renderable/renderable.js";
 import Sprite from "./../renderable/sprite.js";
 import Body from "./../physics/body.js";
 import Polygon from "./../shapes/poly.js";
-import collision from "./../physics/collision.js";
 
 
 /**
- * a Generic Object Entity<br>
+ * a Generic Object Entity
  * @class
  * @extends me.Renderable
  * @memberOf me
+ * @see me.Renderable
  * @constructor
  * @param {Number} x the x coordinates of the entity object
  * @param {Number} y the y coordinates of the entity object
@@ -126,19 +126,9 @@ var Entity = Renderable.extend({
             this.resize(this.body.getBounds().width, this.body.getBounds().height);
         }
 
-        // set the  collision mask if defined
-        if (typeof(settings.collisionMask) !== "undefined") {
-            this.body.setCollisionMask(settings.collisionMask);
-        }
-
-        // set the  collision mask if defined
-        if (typeof(settings.collisionType) !== "undefined") {
-            if (typeof collision.types[settings.collisionType] !== "undefined") {
-                this.body.collisionType = collision.types[settings.collisionType];
-            } else {
-                throw new Error("Invalid value for the collisionType property");
-            }
-        }
+        // set the  collision mask and type (if defined)
+        this.body.setCollisionMask(settings.collisionMask);
+        this.body.setCollisionType(settings.collisionType);
 
         // disable for entities
         this.autoTransform = false;
diff --git a/src/physics/body.js b/src/physics/body.js
index bc632cc7d4..66b4f97c6c 100644
--- a/src/physics/body.js
+++ b/src/physics/body.js
@@ -496,14 +496,14 @@ class Body {
 
     /**
      * By default all entities are able to collide with all other entities, <br>
-     * but it's also possible to specificy 'collision filters' to provide a finer <br>
+     * but it's also possible to specify 'collision filters' to provide a finer <br>
      * control over which entities can collide with each other.
      * @name setCollisionMask
      * @memberOf me.Body
      * @public
      * @function
      * @see me.collision.types
-     * @param {Number} bitmask the collision mask
+     * @param {Number} [bitmask = me.collision.types.ALL_OBJECT] the collision mask
      * @example
      * // filter collision detection with collision shapes, enemies and collectables
      * myEntity.body.setCollisionMask(me.collision.types.WORLD_SHAPE | me.collision.types.ENEMY_OBJECT | me.collision.types.COLLECTABLE_OBJECT);
@@ -511,10 +511,32 @@ class Body {
      * // disable collision detection with all other objects
      * myEntity.body.setCollisionMask(me.collision.types.NO_OBJECT);
      */
-    setCollisionMask(bitmask) {
+    setCollisionMask(bitmask = collision.types.ALL_OBJECT) {
         this.collisionMask = bitmask;
     }
 
+    /**
+     * define the collision type of the body for collision filtering
+     * @name setCollisionType
+     * @memberOf me.Body
+     * @public
+     * @function
+     * @see me.collision.types
+     * @param {Number} type the collision type
+     * @example
+     * // set the body collision type
+     * myEntity.body.collisionType = me.collision.types.PLAYER_OBJECT;
+     */
+    setCollisionType(type) {
+        if (typeof type !== "undefined") {
+            if (typeof collision.types[type] !== "undefined") {
+                this.collisionType = collision.types[type];
+            } else {
+                throw new Error("Invalid value for the collisionType property");
+            }
+        }
+    }
+
     /**
      * the built-in function to solve the collision response
      * @protected