DrawningLocomotive.java

@@ -2,6 +2,7 @@ import java.awt.*;
 
 class DrawningLocomotive {
     public EntityLocomotive Locomotive;
+    public ExtraWheelsDraw extraWheelsDraw;
     /// Левая координата отрисовки локомотива
     private float _startPosX;
     /// Верхняя координата отрисовки локомотива
@@ -15,9 +16,10 @@ class DrawningLocomotive {
     /// Высота отрисовки локомотива
     private final int _locomotiveHeight = 50;
     /// Инициализация свойств
-    public void Init(int speed, float weight, Color bodyColor, EntityLocomotive entity)
+    public void Init(int speed, float weight, Color bodyColor, int wheelsNum, EntityLocomotive entity)
     {
         Locomotive = entity;
+        extraWheelsDraw = new ExtraWheelsDraw(wheelsNum, bodyColor);
         Locomotive.Init(speed, weight, bodyColor);
     }
     /// Установка позиции локомотива
@@ -98,14 +100,10 @@ class DrawningLocomotive {
         g.setColor(Color.BLACK);
         g.drawRect( (int)_startPosX + 50, (int)_startPosY + 10, 10, 20);
         //колеса
-        g.drawOval((int) _startPosX, (int)_startPosY + 40, 10, 10);
-        g.drawOval((int) _startPosX + 20, (int)_startPosY + 40, 10, 10);
-        g.drawOval((int) _startPosX + 70, (int)_startPosY + 40, 10, 10);
-        g.drawOval((int) _startPosX + 90, (int)_startPosY + 40, 10, 10);
+        extraWheelsDraw.DrawWheels((int)_startPosX, (int)_startPosY, g);
         //движок
         g.setColor(Locomotive.getBodyColor());
         g.fillRect((int)_startPosX + 100, (int)_startPosY + 10, 10, 30);
-
     }
 
     public void ChangeBorders(int width, int height)

ExtraWheelsDraw.java

@@ -0,0 +1,48 @@
+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);
+            }
+        }
+    }
+}

FormLocomotive.java

@@ -19,21 +19,12 @@ public class FormLocomotive extends JComponent{
                 if (_locomotive != null) _locomotive.ChangeBorders(formFrame.getWidth(), formFrame.getHeight());
                 repaint();
             }
-
             @Override
-            public void componentMoved(ComponentEvent e) {
-
-            }
-
+            public void componentMoved(ComponentEvent e) {}
             @Override
-            public void componentShown(ComponentEvent e) {
-
-            }
-
+            public void componentShown(ComponentEvent e) {}
             @Override
-            public void componentHidden(ComponentEvent e) {
-
-            }
+            public void componentHidden(ComponentEvent e) {}
         });
 
         Panel statusPanel = new Panel();
@@ -51,7 +42,7 @@ public class FormLocomotive extends JComponent{
             Random rnd = new Random();
             _locomotive = new DrawningLocomotive();
             _entity = new EntityLocomotive();
-            _locomotive.Init(100 + rnd.nextInt(200), 1000 + rnd.nextInt(1000), Color.getHSBColor(rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256)), _entity);
+            _locomotive.Init(100 + rnd.nextInt(200), 1000 + rnd.nextInt(1000), Color.getHSBColor(rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256)), rnd.nextInt(3), _entity);
             _locomotive.SetPosition(10 + rnd.nextInt(90), 10 + rnd.nextInt(90), formFrame.getWidth(), formFrame.getHeight() - 75);
             speedLabel.setText("Speed: " + _locomotive.Locomotive.getSpeed());
             weightLabel.setText("Weight: " + (int)_locomotive.Locomotive.getWeight());
@@ -106,7 +97,5 @@ public class FormLocomotive extends JComponent{
 
     public static void main(String[] args) {
         FormLocomotive formLocomotive = new FormLocomotive();
-
-
     }
 }

WheelsCount.java

@@ -0,0 +1,3 @@
+public enum WheelsCount {
+    Two, Three, Four
+}