PIbd-23_Mochalov_D.V._Locomotive_Hard/ExtraWheelsDraw.java

import java.awt.*;

public class ExtraWheelsDraw {
    private WheelsCount wheelsCount;
    private int wheelsNum;
    public void setWheelsNum(int num) {
        wheelsNum = num;
        switch (wheelsNum) {
            case 0: {
                wheelsCount = WheelsCount.Two;
                break;
            }
            case 1: {
                wheelsCount = WheelsCount.Three;
                break;
            }
            case 2: {
                wheelsCount = WheelsCount.Four;
                break;
            }
        }
    }
    private final Color color;

    public ExtraWheelsDraw(int num, Color color) {
        setWheelsNum(num);
        this.color = color;
    }

    public void DrawWheels(int startPosX, int startPosY, Graphics2D g) {
        g.setColor(color);
        g.drawOval(startPosX, startPosY + 40, 10, 10);
        g.drawOval(startPosX + 90, startPosY + 40, 10, 10);
        switch (wheelsCount) {
            case Two: {
                break;
            }
            case Three: {
                g.drawOval(startPosX + 20, startPosY + 40, 10, 10);
                break;
            }
            case Four: {
                g.drawOval(startPosX + 20, startPosY + 40, 10, 10);
                g.drawOval(startPosX + 70, startPosY + 40, 10, 10);
            }
        }
    }
}