is.renderTarget.clone());
                    this.renderTargetsVertical.push(this.renderTarget.clone());
                }

                this.renderTarget.depthBuffer = true;

                // Fluid simulation
                this.fluid = new Fluid(this.renderer, {
                    curlStrength: 0
                });
                this.fluid.splatMaterial.uniforms.uAspect = aspect;

                // Luminosity high pass material
                this.luminosityMaterial = new LuminosityMaterial()