ons);
        let uv = app.createVertexBuffer(PicoGL.FLOAT, 2, sphere.uvs);
        let normals = app.createVertexBuffer(PicoGL.FLOAT, 3, sphere.normals);
        let indices = app.createIndexBuffer(PicoGL.UNSIGNED_SHORT, sphere.indices);

        let sphereArray = app.createVertexArray()
        .vertexAttributeBuffer(0, positions)
        .vertexAttributeBuffer(1, uv)
        .vertexAttributeBuffer(2, normals)
        .indexBuffer(indices);

        let quadPositions = app.createVertexBuffer(PicoGL.FLOAT,