          void main() {
                gl_FragColor = fill;
            }
        `;
        // let iblMaps;
        let scene = new reshader.Scene([]);
        let geometryScene = new reshader.Scene([]);
        let lineScene = new reshader.Scene([]);
        let currentGeometry = createGeometry(drawingPositons);
        let lineGeometry = createGeometry(drawingPositons, 'lines');
        const renderer = new reshader.Renderer(regl);
        const viewport = {
            x: 0,
            y: 0,
         