Add GameCanvas

src/com/annimon/turrets/GameCanvas.java

@@ -0,0 +1,39 @@
+package com.annimon.turrets;
+
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public class GameCanvas extends DoubleBufferedCanvas {
+
+    private final BufferedImage background;
+    private final Terrain terrain;
+    
+    public GameCanvas() {
+        background = new BufferedImage(Constants.WIDTH, Constants.HEIGHT, BufferedImage.TYPE_INT_RGB);
+        initBackground();
+        
+        terrain = new Terrain(Constants.WIDTH);
+        terrain.generate(System.currentTimeMillis());
+    }
+    
+    @Override
+    protected void draw(Graphics2D g) {
+        g.drawImage(background, 0, 0, null);
+        terrain.draw(g);
+    }
+
+    @Override
+    protected void update() {
+    }
+
+    private void initBackground() {
+        final Graphics g = background.createGraphics();
+        new Background().draw(g);
+        g.dispose();
+    }
+}

src/com/annimon/turrets/MenuPanel.java

@@ -72,6 +72,7 @@ public class MenuPanel extends JPanel {
                 case 0:
                     GameCanvas canvas = new GameCanvas();
                     Main.getInstance().switchLayout(canvas);
+                    canvas.start();
                     break;
                 case 4:
                     System.exit(0);