Data commit

Task/Fractal-tree/Java/fractal-tree.java

@@ -0,0 +1,32 @@
+import java.awt.Color;
+import java.awt.Graphics;
+import javax.swing.JFrame;
+
+public class FractalTree extends JFrame {
+
+    public FractalTree() {
+        super("Fractal Tree");
+        setBounds(100, 100, 800, 600);
+        setResizable(false);
+        setDefaultCloseOperation(EXIT_ON_CLOSE);
+    }
+
+    private void drawTree(Graphics g, int x1, int y1, double angle, int depth) {
+        if (depth == 0) return;
+        int x2 = x1 + (int) (Math.cos(Math.toRadians(angle)) * depth * 10.0);
+        int y2 = y1 + (int) (Math.sin(Math.toRadians(angle)) * depth * 10.0);
+        g.drawLine(x1, y1, x2, y2);
+        drawTree(g, x2, y2, angle - 20, depth - 1);
+        drawTree(g, x2, y2, angle + 20, depth - 1);
+    }
+
+    @Override
+    public void paint(Graphics g) {
+        g.setColor(Color.BLACK);
+        drawTree(g, 400, 500, -90, 9);
+    }
+
+    public static void main(String[] args) {
+        new FractalTree().setVisible(true);
+    }
+}