Add Grab System (#9)

* Remove unused code

* Adds grab components

* Adds grab nodes

* Add sensors to the physics world

* Add grab systems

* Add new sprites

* Attach grab components

* Add grab system to engine

* Update changelog

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/sumo.js b/lib/sumo.js
index 4785087..d39c055 100644
--- a/lib/sumo.js
+++ b/lib/sumo.js
@@ -9,7 +9,9 @@ import CreateCouplingLineSystem from './systems/create_coupling_line';
 import ControlMapperSystem from './systems/control_mapper';
 import DashSystem from './systems/dash';
 import DrawDashSystem from './systems/draw_dash';
+import DrawGrabSystem from './systems/draw_grab';
 import ElasticSystem from './systems/elastic';
+import GrabSystem from './systems/grab';
 import PhysicsWorldControlSystem from './systems/physics_world_control';
 import PhysicsToAttributesSystem from './systems/physics_to_attributes';
 import RenderSystem from './systems/render';
@@ -197,6 +199,10 @@ internals.Sumo = class Sumo {
 
     this._engine.addSystem(new DashSystem());
 
+    this._engine.addSystem(new GrabSystem({
+      engine: this._matterJs
+    }));
+
     this._engine.addSystem(new ApplyForceSystem());
 
     this._engine.addSystem(new PhysicsWorldControlSystem({
@@ -213,6 +219,8 @@ internals.Sumo = class Sumo {
 
     this._engine.addSystem(new DrawDashSystem());
 
+    this._engine.addSystem(new DrawGrabSystem());
+
     this._engine.addSystem(new RenderSystem({
       application: this._pixi
     }));