/*
 *  File:  Triangle.java
 *
 *  Triangle class
 *
 *  Copyright:  Northeast Parallel Architectures Center
 *  
 */

import java.awt.Point;

// A triangle is a polygon with three sides:
public class Triangle extends MovablePolygon {

   // Triangle constructor #1:
   public Triangle() {
      // invoke the no-argument constructor of the superclass:
      super();
   }

   // Triangle constructor #2:
   public Triangle( int x1, int y1, 
                    int x2, int y2, 
                    int x3, int y3  ) {
 
      // invoke the no-argument constructor of the superclass:
      super();
 
      // the 'this' reference is optional:
      this.addPoint( x1, y1 );
      this.addPoint( x2, y2 );
      this.addPoint( x3, y3 );
 
   }

   // Triangle constructor #3:
   public Triangle( Point p1, Point p2, Point p3 ) {
 
      // invoke Triangle constructor #2:
      this( p1.x, p1.y, p2.x, p2.y, p3.x, p3.y  );
 
   }
   
   // Triangle constructor #4 (an equilateral triangle
   // centered at point (x,y) of radius r):
   public Triangle( int x, int y, int r ) {
   
      // invoke the corresponding constructor of the superclass:
      super( x, y, r, 3 );
      
   }

}