feat: initialize project with core dependencies and game entry point

node_modules/three/examples/jsm/helpers/RapierHelper.js

@@ -0,0 +1,59 @@
+import { LineSegments, LineBasicMaterial, BufferAttribute } from 'three';
+/**
+ * This class displays all Rapier Colliders in outline.
+ *
+ * @augments LineSegments
+ * @three_import import { RapierHelper } from 'three/addons/helpers/RapierHelper.js';
+ */
+class RapierHelper extends LineSegments {
+
+	/**
+	 * Constructs a new Rapier debug helper.
+	 *
+	 * @param {RAPIER.world} world - The Rapier world to visualize.
+	 */
+	constructor( world ) {
+
+		super();
+
+		/**
+		 * The Rapier world to visualize.
+		 *
+		 * @type {RAPIER.world}
+		 */
+		this.world = world;
+
+		this.material = new LineBasicMaterial( { vertexColors: true } );
+		this.frustumCulled = false;
+
+	}
+
+	/**
+	 * Call this in the render loop to update the outlines.
+	 */
+	update() {
+
+		const { vertices, colors } = this.world.debugRender();
+
+		this.geometry.deleteAttribute( 'position' );
+		this.geometry.deleteAttribute( 'color' );
+
+		this.geometry.setAttribute( 'position', new BufferAttribute( vertices, 3 ) );
+		this.geometry.setAttribute( 'color', new BufferAttribute( colors, 4 ) );
+
+	}
+
+	/**
+	 * Frees the GPU-related resources allocated by this instance. Call this
+	 * method whenever this instance is no longer used in your app.
+	 */
+	dispose() {
+
+		this.geometry.dispose();
+		this.material.dispose();
+
+	}
+
+}
+
+export { RapierHelper };