Physics Engine (#4)

* Add matter-js as a dependency

* Add body component

* Fix renderable node doc

* Add the physics node type

* Correct typo in physics enabled node types

* Update docs on render system

* Add physics system

* Update changelog

* Add physics engine to main app

* Tweak the gravity of the world

* Add body to sumo factory

* Add angle component

* Add angle to entity

* Add angle to the nodes

* Pass angle between systems

* Set default angle to 0

* Split systems and nodes

* Fix indentaion in physics world control

* Add third sumo entity

* Adjust values for constriants and physics

* Correct docs in new nodes

* Update built-in docs

1 files changed, 3 insertions, 10 deletions

diff --git a/lib/systems/render.js b/lib/systems/render.js
index 8d3d446..a2e3020 100644
--- a/lib/systems/render.js
+++ b/lib/systems/render.js
@@ -7,7 +7,7 @@ const internals = {
 };
 
 /**
- * Renders renderable objects to console
+ * Renders renderable objects using pixi
  *
  * @extends {external:Serpentity.System}
  * @class RenderSystem
@@ -80,8 +80,7 @@ export default class RenderSystem extends System {
   }
 
   /**
-   * Runs on every update of the loop. Prints the location of every
-   * renderable
+   * Runs on every update of the loop. Does nothing.
    *
    * @function update
    * @instance
@@ -89,11 +88,5 @@ export default class RenderSystem extends System {
    * frame
    * @memberof RenderSystem
    */
-  update(currentFrameDuration) {
-
-    for (const renderable of this.renderables) {
-      renderable.container.container.position.x = renderable.position.x;
-      renderable.container.container.position.y = renderable.position.y;
-    }
-  }
+  update(currentFrameDuration) {}
 };