diff --git a/Panel.java b/Panel.java
deleted file mode 100644
index 9d9101f..0000000
--- a/Panel.java
+++ /dev/null
@@ -1,298 +0,0 @@
-package sig;
-import java.awt.Graphics;
-import java.awt.GraphicsConfiguration;
-import java.awt.GraphicsEnvironment;
-import java.awt.Image;
-import java.awt.Toolkit;
-import java.awt.image.ColorModel;
-import java.awt.image.MemoryImageSource;
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.swing.JPanel;
-
-public class Panel extends JPanel implements Runnable {
-    public int pixel[];
-    public int width=1280;
-    public int height=720; 
-    final int CIRCLE_PRECISION=32;
-    private Thread thread;
-    private Image imageBuffer;   
-    private MemoryImageSource mImageProducer;   
-    private ColorModel cm;   
-    int scanLine=0;
-    int nextScanLine=0;
-    double x_offset=0;
-    double y_offset=0;
-    int frameCount=0;
-
-    public Panel() {
-        super(true);
-        thread = new Thread(this, "MyPanel Thread");
-    }
-
-    /**
-     * Get Best Color model available for current screen.
-     * @return color model
-     */
-    protected static ColorModel getCompatibleColorModel(){        
-        GraphicsConfiguration gfx_config = GraphicsEnvironment.
-                getLocalGraphicsEnvironment().getDefaultScreenDevice().
-                getDefaultConfiguration();        
-        return gfx_config.getColorModel();
-    }
-
-    /**
-     * Call it after been visible and after resizes.
-     */
-    public void init(){        
-        cm = getCompatibleColorModel();
-        int screenSize = width * height;
-        if(pixel == null || pixel.length < screenSize){
-            pixel = new int[screenSize];
-        }        
-        if(thread.isInterrupted() || !thread.isAlive()){
-            thread.start();
-        }
-        mImageProducer =  new MemoryImageSource(width, height, cm, pixel,0, width);
-        mImageProducer.setAnimated(true);
-        mImageProducer.setFullBufferUpdates(true);  
-        imageBuffer = Toolkit.getDefaultToolkit().createImage(mImageProducer);        
-    }
-
-    @Override
-    public void paintComponent(Graphics g) {
-        super.paintComponent(g);
-        // perform draws on pixels
-        render();
-        // ask ImageProducer to update image
-        mImageProducer.newPixels();  
-        // draw it on panel          
-        g.drawImage(this.imageBuffer, 0, 0, this);  
-    }
-    
-    /**
-     * Overrides ImageObserver.imageUpdate.
-     * Always return true, assuming that imageBuffer is ready to go when called
-     */
-    @Override
-    public boolean imageUpdate(Image image, int a, int b, int c, int d, int e) {
-        return true;
-    }
-    /**
-    * Do your draws in here !!
-    * pixel is your canvas!
-    */
-    public /* abstract */ void render(){
-        int[] p = pixel; // this avoid crash when resizing
-        //a=h/w
-        
-        for (int x=0;x<width;x++) {
-        	for (int y=0;y<height;y++) {
-        		p[y*width+x]=(0<<16)+(0<<8)+0;
-        	}
-        }
-        
-        x_offset+=1;
-        y_offset=50;
-        
-        FillPolygon(p,Color.WHITE,50,50,new Point[] {
-        		new Point(135,2),
-        		new Point(166,96),
-        		new Point(265,97),
-        		new Point(185,156),
-        		new Point(215,251),
-        		new Point(134,192),
-        		new Point(54,251),
-        		new Point(84,156),
-        		new Point(4,97),
-        		new Point(103,96),
-        });
-        FillPolygon(p,Color.BRIGHT_CYAN,x_offset,y_offset,new Point[] {
-            	new Point(28,29),
-            	new Point(78,103),
-            	new Point(120,31),
-            	new Point(123,221),
-            	new Point(30,218),
-            });
-        //FillRect(p,Color.BRIGHT_RED,200,200,600,64);
-		final Color testAlpha = new Color(150,0,0,128);
-        FillCircle(p,testAlpha,150,150,100);
-        FillOval(p,Color.BRIGHT_GREEN,300,150,100,50);
-    }
-    
-    public void FillRect(int[] p,Color col,double x,double y,double w,double h) {
-    	for (int xx=0;xx<w;xx++) {
-        	for (int yy=0;yy<h;yy++) {
-        		int index = ((int)y+yy)*width+(int)x+xx;
-        		p[index]=col.getColor();
-        	}	
-    	}
-    }
-    
-    public void FillCircle(int[] p,Color col,double center_x,double center_y,double r) {
-    	int counter=0;
-    	Point[] points = new Point[CIRCLE_PRECISION];
-    	for (double theta=0;theta<Math.PI*2;theta+=((Math.PI*2)/CIRCLE_PRECISION)) {
-    		//System.out.println("Loop "+counter+++". Theta:"+theta);
-    		//System.out.println("X:"+(Math.sin(theta)*r+center_x)+" Y:"+(Math.cos(theta)*r+center_y));
-    		points[counter++]=new Point((int)(Math.round(Math.sin(theta)*r+center_x)),(int)(Math.round(Math.cos(theta)*r+center_y)));
-    	}
-        FillPolygon(p,col,0,0,points);
-    }
-
-    
-    public void FillOval(int[] p,Color col,double center_x,double center_y,double w,double h) {
-    	int counter=0;
-    	Point[] points = new Point[CIRCLE_PRECISION];
-    	double r = Math.max(w,h);
-    	double ratio = Math.min(w,h)/r;
-    	for (double theta=0;theta<Math.PI*2;theta+=((Math.PI*2)/CIRCLE_PRECISION)) {
-    		//System.out.println("Loop "+counter+++". Theta:"+theta);
-    		//System.out.println("X:"+(Math.sin(theta)*r+center_x)+" Y:"+(Math.cos(theta)*r+center_y));
-    		Point newP = new Point((int)(Math.round(Math.sin(theta)*r)),(int)(Math.round(Math.cos(theta)*r)));
-    		if (w<h) {
-    			newP.x=(int)Math.round(newP.x*ratio);
-    		} else {
-    			newP.y=(int)Math.round(newP.y*ratio);
-    		}
-    		newP.x+=center_x;
-    		newP.y+=center_y;
-    		points[counter++]=newP;
-    	}
-        FillPolygon(p,col,0,0,points);
-    }
-    
-    public void FillPolygon(int[] p,Color col,double x_offset,double y_offset,Point...points) {
-    	Edge[] edges = new Edge[points.length];
-    	List<Edge> edges_sorted = new ArrayList<Edge>();
-    	for (int i=0;i<points.length;i++) {
-    		edges[i] = new Edge(points[i],points[(i+1)%points.length]);
-    		if (!Double.isInfinite(edges[i].inverse_slope)) {
-	    		if (edges_sorted.size()==0) {
-	    			edges_sorted.add(edges[i]);
-	    		} else {
-	    			boolean inserted=false;
-	    			for (int j=0;j<edges_sorted.size();j++) {
-	    				Edge e2 = edges_sorted.get(j);
-	    				if (e2.min_y>=edges[i].min_y) {
-	    					edges_sorted.add(j,edges[i]);
-	    					inserted=true;
-	    					break;
-	    				}
-	    			}
-	    			if (!inserted) {
-	    				edges_sorted.add(edges[i]);
-	    			}
-	    		}
-    		}
-    	}
-    	//System.out.println(edges_sorted);
-    	List<Edge> active_edges = new ArrayList<Edge>();
-    	scanLine = edges_sorted.get(0).min_y-1;
-    	nextScanLine = scanLine+1;
-    	do {
-    		for (int i=0;i<active_edges.size();i+=2) {
-    			Edge e1 = active_edges.get(i);
-    			Edge e2 = active_edges.get(i+1);
-				//System.out.println("Drawing from "+((int)Math.round(e1.x_of_min_y))+" to "+e2.x_of_min_y+" on line "+scanLine);
-    			for (int x=(int)Math.round(e1.x_of_min_y);x<=e2.x_of_min_y;x++) {
-    				int index = (scanLine+(int)y_offset)*width+x+(int)x_offset;
-    				if (index<p.length&&index>=0) {
-						Draw(p,index,col.getColor());
-    				}
-    			}
-    		}
-    		List<Edge> new_active_edges = new ArrayList<Edge>();
-    		for (int i=0;i<active_edges.size();i++) {
-    			Edge e = active_edges.get(i);
-    			if (e.max_y==scanLine+1) {
-    				active_edges.remove(i--);
-    			} else {
-    				e.x_of_min_y+=e.inverse_slope;
-    			}
-    		}
-    		scanLine++;
-    		for (int i=0;i<active_edges.size();i++) {
-    			Edge e = active_edges.get(i);
-    			boolean inserted=false;
-    			for (int j=0;j<new_active_edges.size();j++) {
-    				Edge e2 = new_active_edges.get(j);
-    				if (e2.x_of_min_y>e.x_of_min_y) {
-    					new_active_edges.add(j,e);
-    					inserted=true;
-    					break;
-    				}
-    			}
-    			if (!inserted) {
-					new_active_edges.add(e);
-    			}
-    		}
-    		active_edges=new_active_edges;
-    		GetNextScanLineEdges(edges_sorted, active_edges);
-    	}
-    	while (active_edges.size()>0);
-    }
-
-	private void GetNextScanLineEdges(List<Edge> edges_sorted, List<Edge> active_edges) {
-		if (scanLine==nextScanLine) {
-	    	for (int i=0;i<edges_sorted.size();i++) {
-	    		Edge e = edges_sorted.get(i);
-	    		if (e.min_y==scanLine) {
-	    			e = edges_sorted.remove(i--);
-	    			boolean inserted=false;
-	    			for (int j=0;j<active_edges.size();j++) {
-	    				if (e.x_of_min_y<active_edges.get(j).x_of_min_y) {
-	    					active_edges.add(j,e);
-	    					inserted=true;
-	    					break;
-	    				}
-	    			}
-	    			if (!inserted) {
-	    				active_edges.add(e);
-	    			}
-	    			
-	    		} else
-	    		if (e.min_y>scanLine) {
-	    			nextScanLine=e.min_y;
-	    			break;
-	    		}
-	    	}
-    	}
-	}
-
-	public void Draw(int[] canvas,int index, int col) {
-		int alpha = col>>>24;
-		if (alpha==0) {
-			return;}
-		 else
-		if (alpha==255) {
-			canvas[index]=col;
-		} else {
-			float ratio=alpha/255f;
-			int prev_col=canvas[index];
-			int prev_r=(prev_col&0xFF);
-			int prev_g=(prev_col&0xFF00)>>>8;
-			int prev_b=(prev_col&0xFF0000)>>>16;
-			int r=(col&0xFF);
-			int g=(col&0xFF00)>>>8;
-			int b=(col&0xFF0000)>>>16;
-
-			int new_r=(int)(ratio*r+(1-ratio)*prev_r);
-			int new_g=(int)(ratio*g+(1-ratio)*prev_g);
-			int new_b=(int)(ratio*b+(1-ratio)*prev_b);
-			
-			canvas[index]=new_r+(new_g<<8)+(new_b<<16)+(col&0xFF000000);
-		}
-	}
-
-	@Override
-	public void run() {
-		while (true) {
-            // request a JPanel re-drawing
-            repaint();       
-            //System.out.println("Repaint "+frameCount++);
-            //try {Thread.sleep(1);} catch (InterruptedException e) {}
-        }
-	}
-}
\ No newline at end of file