                renderer.setClearColor(this.currentClearColor, currentClearAlpha);

                // Two pass Gaussian blur (horizontal and vertical)
                this.hBlurMaterial.uniforms.tMap.value = renderTargetBlurA.texture;
                this.screen.material = this.hBlurMaterial;
                renderer.setRenderTarget(renderTargetBlurB);
                renderer.clear();
                renderer.render(this.screen, this.screenCamera);

                this.vBlurMaterial.uniforms.tMap.value =