dispose() {

		this.sphereGeometry.dispose();

		this.targetSphereMaterial.dispose();
		this.effectorSphereMaterial.dispose();
		this.linkSphereMaterial.dispose();
		this.lineMaterial.dispose();

		const children = this.children;

		for ( let i = 0; i < children.length; i ++ ) {

			const child = children[ i ];

			if ( child.isLine ) child.geometry.dispose();

		}

	}
Frees the GPU-related resources allocated by this instance.
Call this method whenever this instance is no longer used in your app.