import java.awt.*;

public class house1 extends BufferedApplet
{
   int x = 0, y = 0;
   int w = 0, h = 0;
   Color drawingColor = Color.black;
   int house[][] = {
      {  0, 100},
      {  0,   0},
      {100,   0},
      { 50, -50},
      {  0,   0},
      {100, 100},
      {100,   0},
      {  0, 100},
      {100, 100},
   };

   Matrix3x3 m = new Matrix3x3();
   double vec1[] = new double[2];
   double vec2[] = new double[2];

   public void render(Graphics g) {
      if (w == 0) {
         w = bounds().width;
         h = bounds().height;

         x = w / 2;
         y = h / 2;

      }


      g.setColor(Color.white);
      g.fillRect(0, 0, w, h);
 

      // YOUR TRANSFORMATION LOGIC GOES HERE

      m.identity();

      m.translate(x, y);
      drawHouse(g);

      m.translate(x, 0);
      drawHouse(g);
   }

   void drawHouse(Graphics g) {
      g.setColor(drawingColor);
      for (int i = 0 ; i < house.length - 1 ; i++) {

         m.transform(house[i  ][0], house[i  ][1], vec1);
         m.transform(house[i+1][0], house[i+1][1], vec2);

         g.drawLine((int)vec1[0], (int)vec1[1],
                    (int)vec2[0], (int)vec2[1]);
      }
   }

   public boolean mouseMove(Event e, int x, int y) {
      return false;
   }

   public boolean mouseDown(Event e, int x, int y) {
      return false;
   }

   public boolean mouseDrag(Event e, int x, int y) {
      this.x = x;
      this.y = y;
      damage = true;
      return true;
   }

   public boolean mouseUp(Event e, int x, int y) {
      return false;
   }

   public boolean keyDown(Event e, int key) {
      return false;
   }

   public boolean keyUp(Event e, int key) {
      switch (key) {
      case 'r':
         drawingColor = Color.red;
         break;
      case 'g':
         drawingColor = Color.green;
         break;
      case 'b':
         drawingColor = Color.blue;
         break;
      case ' ':
         drawingColor = Color.black;
         break;
      }
      damage = true;
      return true;
   }
}