Rectangle.java

gehe zur Dokumentation dieser Datei

package de.lathanda.eos.game.geom;
 
import de.lathanda.eos.base.math.Point;
import de.lathanda.eos.base.math.Vector;
 
public class Rectangle extends Polygon {
 
    protected Rectangle() {
        super();
    }
 
    public Rectangle(Point z, double width, double height) {
        this(width, height);
        moveTo(z);
    }
 
    public Rectangle(double width, double height) {
        super(new double[]{-width / 2, -width / 2, width / 2, width / 2},
                new double[]{-height / 2, height / 2, height / 2, -height / 2});
    }
 
    public Rectangle(double left, double bottom, double width, double height) {
        super(new double[]{left, left, left + width, left + width},
                new double[]{bottom, bottom + height, bottom + height, bottom});
    }
 
    public Rectangle(Point a, Point b, double breadth) {
        Vector d = new Vector(a, b).rotateRightAngleCounterClockwise().setLength(breadth / 2);
        setVertices(
                new double[]{a.getX() - d.getdx(), a.getX() + d.getdx(), b.getX() + d.getdx(), b.getX() - d.getdx()},
                new double[]{a.getY() - d.getdy(), a.getY() + d.getdy(), b.getY() + d.getdy(), b.getY() - d.getdy()}
        );
    }
 
    /* (non-Javadoc)
     * @see de.lathanda.sgl.geom2d.Polygon#getOutlineType()
     */
    protected Types getOutlineType() {
        if (angle == 0) {
            return Types.RECTANGLE;
        } else {
            return Types.POLYGON;
        }
    }
}