java file.zip_MPEG_formf76_them

import java.util.LinkedList; /** * Created by dwight on 11/19/14. */ public class Quadrilateral { private Point point1; private Point point2; private Point point3; private Point point4; private LinkedList<Point> quad; public Quadrilateral(Quadrilateral quadrilateral) { this(quadrilateral.getPoint1(), quadrilateral.getPoint2(), quadrilateral.getPoint3(), quadrilateral.getPoint4()); } public Quadrilateral(Point point1, Point point2, Point point3, Point point4) { quad = setQuad(point1, point2, point3, point4); this.point1 = quad.get(0); this.point2 = quad.get(1); this.point3 = quad.get(2); this.point4 = quad.get(3); } public Point getPoint1() { return point1; } public Point getPoint2() { return point2; } public Point getPoint3() { return point3; } public Point getPoint4() { return point4; } public LinkedList<Point> getQuad() { return quad; } //public double getArea(); public double getPerimeter() { double segment1 = getDistance(quad.get(0), quad.get(1)); double segment2 = getDistance(quad.get(1), quad.get(2)); double segment3 = getDistance(quad.get(2), quad.get(3)); double segment4 = getDistance(quad.get(3), quad.get(1)); return segment1 + segment2 + segment3 + segment4; } private LinkedList setQuad(Point A, Point B, Point C, Point D) { LinkedList<Point> points = new LinkedList<Point>(); double currentDistance; double newDistance; points.add(A); points.add(B); points.add(C); points.add(D); for (int x = 0; x < points.size() - 2; x++) { Point start = points.get(x); for (int y = x + 1; y < points.size() - 1; y++) { currentDistance = getDistance(start, points.get(y)); newDistance = getDistance(start, points.get(y + 1)); if (newDistance < currentDistance) { points.add(x + 1, points.remove(y + 1)); } } } return points; } public double getDistance(Point pointA, Point pointB) { double distanceX = pointA.getX() - pointB.getX(); double distanceY = pointA.getY() - pointB.getY(); return Math.sqrt(Math.pow(distanceX, 2) + Math.pow(distanceY, 2)); } @Override public String toString() { String p1 = "Point 1: (" + point1.getX() + ", " + point1.getY() + ")\n"; String p2 = "Point 2: (" + point2.getX() + ", " + point2.getY() + ")\n"; String p3 = "Point 3: (" + point3.getX() + ", " + point3.getY() + ")\n"; String p4 = "Point 4: (" + point4.getX() + ", " + point4.getY() + ")"; return p1 + p2 + p3 + p4; } }