public Block(String num, int x, int y) {
        setName(num);

        xa[xnum] = x;
        ya[ynum] = y;

        i = 0;
    }

    @Override
    public void update(KTech kt, float time) {
        if (AssignDone){
            if (a >= xnum){
                a = 0;
            }
        }
    }

    @Override
    public void render(KTech kt, Renderer r) {
        if (GenerateLevel.GenDone){
            if (!(AssignDone)){
                while (i < xnum){
                    up = false;
                    down = false;
                    left = false;
                    right = false;
                    blockDirection[i] = 0;
                    for (int n = 0;n < xnum;){
                        if (xa[i] == -20 && ya[i] == -20){
                            blockDirection[i] = -1;
                            break;
                        }
                        if (xa[i] + 20 == xa[n] && ya[i] == ya[n] && !(right)){//right
                            blockDirection[i] += 1;
                            right = true;
                            n++;
                        }
                        if (xa[i] - 20 == xa[n] && ya[i] == ya[n] && !(left)){//left
                            blockDirection[i] += 10;
                            left = true;
                            n++;
                        }
                        if (ya[i] + 20 == ya[n] && xa[i] == xa[n] && !(down)){//down
                            blockDirection[i] += 100;
                            down = true;
                            n++;
                        }
                        if (ya[i] - 20 == ya[n] && xa[i] == xa[n] && !(up)){//up
                            blockDirection[i] += 1000;
                            up = true;
                            n++;
                        }
                        n++;
                    }
                    System.out.println(blockDirection[i] + ", " + xa[i] + ", " + ya[i] + " printed from Block class" + ", " + i);
                    i++;
                    if (i == xnum){
                        AssignDone = true;
                        break;
                    }
                }
            }

            if (AssignDone){
                while (a < xnum){
                    //System.out.println("rendering");
                    if (blockDirection[a] == 1111){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down & up & left & right)");
                        r.drawImage(block, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1110){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down & up & left)");
                        r.drawImage(block_udl, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1101){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down & up & right)");
                        r.drawImage(block_urd, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1100){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down & up)");
                        r.drawImage(block_ud, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1011){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(up & left & right)");
                        r.drawImage(block_url, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1010){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(up & left)");
                        r.drawImage(block_ul, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1001){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(right & up)");
                        r.drawImage(block_ur, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1000){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(up)");
                        r.drawImage(block_u, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 111){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down & left & right)");
                        r.drawImage(block_ldr, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 110){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down & left)");
                        r.drawImage(block_dl, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 101){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down & right)");
                        r.drawImage(block_rd, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 100){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(down)");
                        r.drawImage(block_d, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 11){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(left & right)");
                        r.drawImage(block_rl, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 10){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(left)");
                        r.drawImage(block_l, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 1){
                        //System.out.println(xa[a] + ", " + ya[a] + " printed from Block class" + "(right)");
                        r.drawImage(block_r, xa[a], ya[a]);
                        a++;
                    }
                    if (blockDirection[a] == 0){
                        r.drawImage(block, xa[a], ya[a]);
                        a++;
                    }
                    a++;
                }
            }
        }
    }