import java.awt.Graphics;

public class Vertex
{
	public double x;
	public double y;
	
	public Vertex(double x, double y) {
		this.x = (x < 1) ? 1 : (x > Parameters.WIDTH) ? Parameters.WIDTH : x;
		this.y = (y < 1) ? 1 : (y > Parameters.HEIGHT) ? Parameters.HEIGHT : y;
	}
	
	public void draw(Graphics g) {
		g.fillOval((int)(x-6), (int)(y-6), 12, 12);
	}
	
	public boolean equals(Vertex v) {
		// returns true if <this> and <v> are close enough
		// as defined by parameter EPSILON
		return (x-v.x)*(x-v.x) + (y-v.y)*(y-v.y) <= Parameters.EPSILON2;
	}
	
	public boolean contains(Vertex v) {
		return (x-v.x)*(x-v.x) + (y-v.y)*(y-v.y) <= Parameters.NEAR2;
	}
}