4.lookAt(viewMatrix, eyePosition, vec3.fromValues(0, 0, 0), vec3.fromValues(0, 1, 0));

        let viewProjMatrix = mat4.create();
        mat4.multiply(viewProjMatrix, projMatrix, viewMatrix);

        let lightPosition = vec3.fromValues(0.5, 0, 2);

        let sceneUniformBuffer = app.createUniformBuffer([
            PicoGL.FLOAT_MAT4,
            PicoGL.FLOAT_VEC4,
            PicoGL.FLOAT_VEC4
        ])
        .set(0, viewProjMatrix)
        .set(1, eyePosition)
        .set(2, lightPosition)
     