// AspectRatio.java
// by Scot Drysdale on 3/14/07

//Computes distance for aspect ratio distance measure.

public class Angular extends Metric {

	// Returns the negative of the cosine of the angle.  So -1 for 0 degrees,
	// 0 for 90 degrees 1 for 180 degrees.
	public double distance(Shape s, double x, double y) {
		return -s.findCosOfAngle(x, y);
	}

}