feat: initialize project with core dependencies and game entry point

node_modules/three/examples/jsm/lines/Line2.js

@@ -0,0 +1,56 @@
+import { LineSegments2 } from './LineSegments2.js';
+import { LineGeometry } from './LineGeometry.js';
+import { LineMaterial } from './LineMaterial.js';
+
+/**
+ * A polyline drawn between vertices.
+ *
+ * This adds functionality beyond {@link Line}, like arbitrary line width and changing width to
+ * be in world units.It extends {@link LineSegments2}, simplifying constructing segments from a
+ * chain of points.
+ *
+ * This module can only be used with {@link WebGLRenderer}. When using {@link WebGPURenderer},
+ * import the class from `lines/webgpu/Line2.js`.
+ *
+ * ```js
+ * const geometry = new LineGeometry();
+ * geometry.setPositions( positions );
+ * geometry.setColors( colors );
+ *
+ * const material = new LineMaterial( { linewidth: 5, vertexColors: true } };
+ *
+ * const line = new Line2( geometry, material );
+ * scene.add( line );
+ * ```
+ *
+ * @augments LineSegments2
+ * @three_import import { Line2 } from 'three/addons/lines/Line2.js';
+ */
+class Line2 extends LineSegments2 {
+
+	/**
+	 * Constructs a new wide line.
+	 *
+	 * @param {LineGeometry} [geometry] - The line geometry.
+	 * @param {LineMaterial} [material] - The line material.
+	 */
+	constructor( geometry = new LineGeometry(), material = new LineMaterial( { color: Math.random() * 0xffffff } ) ) {
+
+		super( geometry, material );
+
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @readonly
+		 * @default true
+		 */
+		this.isLine2 = true;
+
+		this.type = 'Line2';
+
+	}
+
+}
+
+export { Line2 };