PlaceBlock

    private void Build (){
        if (HitBlock ()) {
            GameObject block = GameObject.CreatePrimitive (PrimitiveType.Cube);

            block.transform.name = "Build Block";
            block.transform.parent = buildBlocks.transform;
            block.tag = "buildBlock";

            block.AddComponent<Highlight> ();
            block.AddComponent<GlobalValues> ();
            Material newMat = new Material(Shader.Find("Legacy Shaders/Self-Illumin/Bumped Diffuse"));
            newMat.color = new Color32(148, 148, 148, 255);
            block.GetComponent<Renderer>().material = newMat;
            block.GetComponent<GlobalValues> ().i = blockType;
            newMat.mainTexture = tex ();

            Vector3 cursorPosition = hit.transform.position + hit.normal;
            block.transform.position = cursorPosition;
            blockCount++;
            lastBlocksPlaced.Add (block);
        }
    }

    public bool HitBlock() {
        Ray posRay = Camera.main.ScreenPointToRay(Input.mousePosition);
        return Physics.Raycast(posRay, out hit, Mathf.Infinity);
    }