Vicsek fractal drawing completed.

Author: liuyubobobo

09-Fractal-Drawing/03-Fractal-Basics/src/AlgoFrame.java

@@ -78,13 +78,19 @@ private void drawFractal(Graphics2D g, int x, int y, int w, int h, int depth){
                 return;
             }
 
+            if(w <= 1 || h <= 1){
+                AlgoVisHelper.setColor(g, AlgoVisHelper.Indigo);
+                AlgoVisHelper.fillRectangle(g, x, y, Math.max(w,1), Math.max(h,1));
+                return;
+            }
+
             int w_3 = w/3;
             int h_3 = h/3;
-            drawFractal(g, x, y, w_3, h_3, depth+1);
-            drawFractal(g, x+2*w_3, y, w_3, h_3, depth+1);
-            drawFractal(g, x+w_3, y+w_3, w_3, h_3, depth+1);
-            drawFractal(g, x, y+2*w_3, w_3, h_3, depth+1);
-            drawFractal(g, x+2*w_3, y+2*w_3, w_3, h_3, depth+1);
+            drawFractal(g, x, y, w_3, h_3, depth + 1);
+            drawFractal(g, x + 2 * w_3, y, w_3, h_3, depth + 1);
+            drawFractal(g, x + w_3, y + h_3, w_3, h_3, depth + 1);
+            drawFractal(g, x, y + 2 * h_3, w_3, h_3, depth + 1);
+            drawFractal(g, x + 2 * w_3, y + 2 * h_3, w_3, h_3, depth + 1);
 
             return;
         }

09-Fractal-Drawing/04-Fractal-with-Interaction/src/AlgoFrame.java

@@ -68,26 +68,25 @@ public void paintComponent(Graphics g) {
 
         private void drawFractal(Graphics2D g, int x, int y, int w, int h, int depth){
 
-            int w_3 = w/3;
-            int h_3 = h/3;
-
-            if(w_3 <= 0 || h_3 <= 0){
+            if( depth == data.depth ){
                 AlgoVisHelper.setColor(g, AlgoVisHelper.Indigo);
-                AlgoVisHelper.fillRectangle(g, x, y, 1, 1);
+                AlgoVisHelper.fillRectangle(g, x, y, w, h);
                 return;
             }
 
-            if( depth == data.depth ){
+            if(w <= 1 || h <= 1){
                 AlgoVisHelper.setColor(g, AlgoVisHelper.Indigo);
-                AlgoVisHelper.fillRectangle(g, x, y, w, h);
+                AlgoVisHelper.fillRectangle(g, x, y, Math.max(w,1), Math.max(h,1));
                 return;
             }
 
-            drawFractal(g, x, y, w_3, h_3, depth+1);
-            drawFractal(g, x+2*w_3, y, w_3, h_3, depth+1);
-            drawFractal(g, x+w_3, y+w_3, w_3, h_3, depth+1);
-            drawFractal(g, x, y+2*w_3, w_3, h_3, depth+1);
-            drawFractal(g, x+2*w_3, y+2*w_3, w_3, h_3, depth+1);
+            int w_3 = w/3;
+            int h_3 = h/3;
+            drawFractal(g, x, y, w_3, h_3, depth + 1);
+            drawFractal(g, x + 2 * w_3, y, w_3, h_3, depth + 1);
+            drawFractal(g, x + w_3, y + h_3, w_3, h_3, depth + 1);
+            drawFractal(g, x, y + 2 * h_3, w_3, h_3, depth + 1);
+            drawFractal(g, x + 2 * w_3, y + 2 * h_3, w_3, h_3, depth + 1);
 
             return;
         }

09-Fractal-Drawing/04-Fractal-with-Interaction/src/AlgoVisualizer.java

@@ -8,11 +8,13 @@ public class AlgoVisualizer {
     private FractalData data;
     private AlgoFrame frame;
 
-    public AlgoVisualizer(int depth){
+    public AlgoVisualizer(int maxDepth){
 
-        data = new FractalData(depth);
-        int sceneWidth = (int)Math.pow(3, depth);
-        int sceneHeight = (int)Math.pow(3, depth);
+        data = new FractalData(maxDepth);
+        int sceneWidth = (int)Math.pow(3, maxDepth);
+        int sceneHeight = (int)Math.pow(3, maxDepth);
+//        int sceneWidth = 1024;
+//        int sceneHeight = 768;
 
         EventQueue.invokeLater(() -> {
             frame = new AlgoFrame("Fractal Visualizer", sceneWidth,sceneHeight);
@@ -53,8 +55,8 @@ public void keyReleased(KeyEvent event){
 
     public static void main(String[] args) {
 
-        int depth = 6;
+        int maxDepth = 6;
 
-        AlgoVisualizer vis = new AlgoVisualizer(depth);
+        AlgoVisualizer vis = new AlgoVisualizer(maxDepth);
     }
 }