Add Naive Game Rules (#11)

* Add components for tracking points

* Add methods to create new entities

* Adds nodes for points

* Add system to detect points

* Adds system to detect a winner

* Add system to render points and winner

* Add points required to win to config

* Add it all to the engine

* Add mention of points to changelog

3 files changed, 72 insertions, 0 deletions

diff --git a/lib/components/points.js b/lib/components/points.js
new file mode 100644
index 0000000..02b7e44
--- /dev/null
+++ b/lib/components/points.js
@@ -0,0 +1,11 @@
+import { Component } from '@serpentity/serpentity';
+
+/**
+ * Component that stores points in arbitrary labels
+ *
+ * @extends {external:Serpentity.Component}
+ * @class PointsComponent
+ * @param {object} config a configuration object to extend.
+ */
+export default class PointsComponent extends Component {};
+
diff --git a/lib/components/points_collider.js b/lib/components/points_collider.js
new file mode 100644
index 0000000..ceec7ee
--- /dev/null
+++ b/lib/components/points_collider.js
@@ -0,0 +1,35 @@
+import { Component } from '@serpentity/serpentity';
+
+/**
+ * Component that stores a collision target and points accumulation
+ * target
+ *
+ * @extends {external:Serpentity.Component}
+ * @class PointsColliderComponent
+ * @param {object} config a configuration object to extend.
+ */
+export default class PointsColliderComponent extends Component {
+  constructor(config) {
+
+    super(config);
+
+    /**
+     * The target entity that will generate points if it collides
+     *
+     * @property {external:Serpentity.Entity} collisionTarget
+     * @instance
+     * @memberof PointsColliderComponent
+     */
+    this.collisionTarget = this.collisionTarget || null;
+
+    /**
+     * The target entity that will generate points if it collides
+     *
+     * @property {string} pointsTarget
+     * @instance
+     * @memberof PointsColliderComponent
+     */
+    this.pointsTarget = this.pointsTarget || 'nobody';
+  }
+};
+
diff --git a/lib/components/winner.js b/lib/components/winner.js
new file mode 100644
index 0000000..74de1c8
--- /dev/null
+++ b/lib/components/winner.js
@@ -0,0 +1,26 @@
+import { Component } from '@serpentity/serpentity';
+
+/**
+ * Component that stores a winner
+ *
+ * @extends {external:Serpentity.Component}
+ * @class WinnerComponent
+ * @param {object} config a configuration object to extend.
+ */
+export default class WinnerComponent extends Component {
+  constructor(config) {
+
+    super(config);
+
+    /**
+     * The properthy that holds the winner
+     *
+     * @property {string} winner
+     * @instance
+     * @memberof WionnerComponent
+     */
+    this.winner = this.winner || null;
+  }
+};
+
+