    class RenderManager {
            static init(renderer, scene, camera) {
                this.renderer = renderer;
                this.scene = scene;
                this.camera = camera;

                this.width = 1;
                this.height = 1;

                // Fluid simulation
                this.lastMouse = new Vector2();

                // Unreal bloom
                this.luminosityThreshold = 0.1;
                this.luminositySmoothing = 1;
                this.bloomStrength = 0.3;