package tiaozhanti;

/**
 * 椭圆形类（用于图形转换）
 */
public class Oval implements Shape {
    private String color;
    private double semiMajorAxis;  // 长半轴
    private double semiMinorAxis;  // 短半轴

    public Oval(String color, double semiMajorAxis, double semiMinorAxis) {
        this.color = color;
        this.semiMajorAxis = semiMajorAxis;
        this.semiMinorAxis = semiMinorAxis;
    }

    @Override
    public String getColor() {
        return color;
    }

    @Override
    public double getArea() {
        return Math.PI * semiMajorAxis * semiMinorAxis;  // 椭圆面积=πab
    }

    // getter
    public double getSemiMajorAxis() { return semiMajorAxis; }
    public double getSemiMinorAxis() { return semiMinorAxis; }
}