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

import java.awt.*;

public class ExtraStarWheelDraw implements IDrawningExtra{
    private WheelsCount wheelsCount = WheelsCount.Two;
    public void setExtraNum(int num) {
        switch (num) {
            case 0: {
                wheelsCount = WheelsCount.Three;
                break;
            }
            case 1: {
                wheelsCount = WheelsCount.Four;
                break;
            }
            default:
                break;
        }
    }

    public ExtraStarWheelDraw (int num) {
        setExtraNum(num);
    }

    public void DrawExtra(int startPosX, int startPosY, Graphics2D g) {
        DrawStarOnWheel(startPosX, startPosY + 30, g);
        DrawStarOnWheel(startPosX + 90, startPosY + 30, g);
        switch (wheelsCount) {
            case Four: {
                DrawStarOnWheel(startPosX + 70, startPosY + 30, g);
            }
            case Three: {
                DrawStarOnWheel(startPosX + 20, startPosY + 30, g);
                break;
            }
            default:
                break;
        }
    }

    private void DrawStarOnWheel(int startPosX, int startPosY, Graphics2D g) {
        g.drawLine(startPosX + 10, startPosY, startPosX + 15, startPosY + 17);
        g.drawLine(startPosX + 10, startPosY, startPosX + 5, startPosY + 17);
        g.drawLine(startPosX + 15, startPosY + 17, startPosX + 2, startPosY + 8);
        g.drawLine(startPosX + 5, startPosY + 17, startPosX + 18, startPosY + 8);
        g.drawLine(startPosX + 2, startPosY + 8, startPosX + 18, startPosY + 8);
    }
}