if(xspeed != 0){
         for(int i = 0; i < Math.abs(xSpeed); i++){
            if(the character will not collide with anything){
               x += Math.signum(xspeed);//the Math.signnum() method will return -1 if xspeed < 0, or 1 if it is not
            }
         }
      }

public void draw(){
      glPushMatrix();
      
      //translate the scene
      glTranslated(-GAME_WIDTH/2 + 0.5, -GAME_DEPTH/2, -30);
      
      //draw all the tetris cubes
      for(TetrisCube tc : cubes){
         if(tc.x > -1 && tc.x < GAME_WIDTH
               && tc.y > -1 && tc.y < GAME_HEIGHT
               && tc.z > -1 && tc.z < GAME_DEPTH)
            tc.draw();
      }
      
      //set the color of the gridlines to white (doesn't work)
      glColor3f(1f, 1f, 1f);
      
      //draw all the gridlines
      for(DrawLine dl : gridLines){
         dl.draw();
      }
      
      glPopMatrix();
   }

//this is what's supposed to load the RGB values from the .png into my map[][] array
   public int[][] loadRGBMap(String directory){   
      int[][] map;
      
      BufferedImage img = ResourceLoader.loadImage(directory);

      int w = img.getWidth();
      int h = img.getHeight();
      int[] pixels = new int[w * h];
      img.getRGB(0, 0, w, h, pixels, 0, w);
      
      map = new int[w][h];
      levelMap = new boolean[w][h];
      //this channels the 1 dimensional pixel[] into the two dimensional map[][]
      for(int row = 0; row < h; row++){
         for(int col = 0; col < w; col++){
            map[col][row] = pixels[row*w+col];
         }
      }
      
      return map;
   }

public static void playMidi(Song song){
      String filename = "/music/"+song.name+".mid";
      URL tempURL = MusicPlayer.class.getResource(filename);
      
      try {
         midiPlayer = MidiSystem.getSequencer();
         midiPlayer.setSequence(MidiSystem.getSequence(tempURL));
         midiPlayer.open();
         midiPlayer.setLoopCount(Sequencer.LOOP_CONTINUOUSLY);
         midiPlayer.start();
         
         currentSong = song;
        } catch (MidiUnavailableException ex) {
           System.err.println("Midi Unavailable! "+ex.toString());
        } catch (InvalidMidiDataException ex) {
           System.err.println("Midi Invalid! "+ex.toString());
        } catch (IOException ex) {
           System.err.println("File Not Found! "+ex.toString());
        }
   }

      String filename = "src/music/"+song.name+".mid";