 2, new Float32Array([
            -1, 1,
            -1, -1,
            1, -1,
            -1, 1,
            1, -1,
            1, 1,
        ]));

        let quadArray = app.createVertexArray().vertexAttributeBuffer(0, quadPositions);

        // SET UP UNIFORM BUFFER
        let projMatrix = mat4.create();
        mat4.perspective(projMatrix, Math.PI / 2, canvas.width / canvas.height, 0.1, 10.0);

        let viewMatrix = mat4.create();
        let eyePosition = vec3.fromValues(0, 0, 1.5);
        mat