import java.awt.Color;
import java.awt.Point;

/**
 *
 * Implementation of Shape as a Triangle, plus some Triangle-specific methods.
 *
 * @author Gene Fisher (gfisher@calpoly.edu)
 *
 */
public class Triangle extends ConvexPolygon {

    /**
     * Construct this by intializing the data fields to the values of given
     * parameters.
     */
    public Triangle(Point a, Point b, Point c, Color color, boolean filled) {
        super((new Point[] {a, b, c}), color, filled);
    }

    /** Return vertex a. */
    public Point getVertexA() {
        return getVertex(0);
    }

    /** Set vertex a to the given vetex point. */
    public void setVertexA(Point vertex) {
        setVertex(0, vertex);;
    }

    /** Return vertex b. */
    public Point getVertexB() {
        return getVertex(1);
    }

    /** Set vertex b to the given vetex point. */
    public void setVertexB(Point vertex) {
        setVertex(1, vertex);
    }

    /** Return vertex c. */
    public Point getVertexC() {
        return getVertex(2);
    }

    /** Set vertex c to the given vetex point. */
    public void setVertexC(Point vertex) {
        setVertex(2, vertex);
    }

}