Code Cleanup and updated finish message

src/com/bongo/Canvas.java

@@ -0,0 +1,23 @@
+package com.bongo;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.concurrent.TimeUnit;
+
+class Canvas extends JComponent {
+    public void paintComponent(Graphics g){
+        g.clearRect(0, 0, Main.window.getWidth(), Main.window.getHeight());
+        for(int i=0;i<Main.bongos.length;i++){
+            Renderer.Bongo bongo = Main.bongos[i];
+            if(bongo!=null){
+                if (TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()) - 1 > bongo.getLastSecondValue()) {
+                    Main.bongos[i] = null;
+                } else {
+                    g.drawImage(bongo.getNote().getCpatch().getAsset(), bongo.getX(), bongo.getY(), this);
+                    g.drawImage(Renderer.get_lhand(bongo.isL_hand()), bongo.getX(), bongo.getY(), this);
+                    g.drawImage(Renderer.get_rhand(bongo.isR_hand()), bongo.getX(), bongo.getY(), this);
+                }
+            }
+        }
+    }
+}

src/com/bongo/FinishAnimation.java

@@ -0,0 +1,47 @@
+package com.bongo;
+
+import javax.swing.*;
+import java.awt.*;
+
+class FinishAnimation implements Icon {
+    private Boolean lhand = true;
+    private Boolean rhand = false;
+
+    FinishAnimation() {
+        final Thread renderThread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                while (true){
+                    try {
+                        Thread.sleep(200);
+                    } catch (Exception e) {
+                        JOptionPane.showMessageDialog(Main.window, e.getMessage(), "Rendering thread error", JOptionPane.ERROR_MESSAGE);
+                        break;
+                    }
+                    if (component != null) component.repaint();
+                }
+            }
+        });
+        renderThread.start();
+    }
+
+    public void paintIcon(Component c, Graphics g, int x, int y) {
+        if (FinishAnimation.component == null) FinishAnimation.component = c;
+        g.clearRect(0,0, c.getWidth(), c.getHeight());
+        g.drawImage(Renderer.Instr_Categ.Bongo.getAsset(), x, y, c);
+        g.drawImage(Renderer.get_lhand(lhand), x, y, c);
+        g.drawImage(Renderer.get_rhand(rhand), x, y, c);
+        lhand=!lhand;
+        rhand=!rhand;
+    }
+
+    private static Component component;
+
+    public int getIconWidth() {
+        return 380;
+    }
+
+    public int getIconHeight() {
+        return 264;
+    }
+}