package interpretacja;


public class Edge {
	private int n1;
	private int n2;
	private GrafAdv g;
	
	public Edge(int n1, int n2, GrafAdv g) {
		this.n1 = n1;
		this.n2 = n2;
		this.g = g;
	}
	
	@Override
	public boolean equals(Object o) {
		if (o instanceof Edge) {
			Edge e = (Edge)o;
			if ((e.n1 == this.n1)&&(e.n2 == this.n2)) { return true; }
			if ((e.n1 == this.n2)&&(e.n2 == this.n1)) { return true; }
		}
		return false;
	}
	
	public int n1() {
		return this.n1;
	}
	
	public int[] n1Coord() {
		return this.g.N(this.n1);
	}
	
	public int n2() {
		return this.n2;
	}
	
	public int[] n2Coord() {
		return this.g.N(this.n2);
	}
	
	public double kat() {
		return Geom.kat(g.N(n1), g.N(n2));
	}
	
	public double len() {
		return Geom.len(g.N(n1), g.N(n2));
	}
	
	public String toString() {
		return "[" + this.g.N(n1)[0] + ", " + this.g.N(n1)[1] + "]-->[" + this.g.N(n2)[0] + ", " + this.g.N(n2)[1] + "]";
	}
}