public void lineaDDA(int x0, int y0, int x1, int y1, Graphics g){
        int dx = x1 - x0;
        int dy = y1 - y0;
        int steps = Math.max(Math.abs(dx), Math.abs(dy));
        
        float xIncrement = dx / (float) steps;
        float yIncrement = dy / (float) steps;
        
        float x = x0;
        float y = y0;
        
        for (int i = 0; i <= steps; i++) {
            g.drawRect(Math.round(x),Math.round(y),1,1);
            x += xIncrement;
            y += yIncrement;
        }
   }