diff --git a/history/009c_yinyang/src/main/java/com/gitee/drinkjava2/frog/brain/BrainPicture.java b/history/009c_yinyang/src/main/java/com/gitee/drinkjava2/frog/brain/BrainPicture.java
new file mode 100644
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--- /dev/null
+++ b/history/009c_yinyang/src/main/java/com/gitee/drinkjava2/frog/brain/BrainPicture.java
@@ -0,0 +1,450 @@
+package com.gitee.drinkjava2.frog.brain;
+
+import static java.awt.Color.BLACK;
+import static java.awt.Color.RED;
+import static java.awt.Color.WHITE;
+import static java.lang.Math.cos;
+import static java.lang.Math.round;
+import static java.lang.Math.sin;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.image.BufferedImage;
+import java.util.ArrayList;
+
+import javax.swing.JPanel;
+
+import com.gitee.drinkjava2.frog.Animal;
+import com.gitee.drinkjava2.frog.Application;
+import com.gitee.drinkjava2.frog.Env;
+import com.gitee.drinkjava2.frog.util.ColorUtils;
+import com.gitee.drinkjava2.frog.util.Tree8Util;
+
+/**
+ * BrainPicture show first frog's brain structure, for debug purpose only
+ * 
+ * 这个类用来画出脑图，这不是一个关键类，对脑的运行逻辑无影响，但有了脑图后可以直观地看出脑的3维结构，进行有针对性的改进
+ * 可以用鼠标进行平移、缩放、旋转，以及t、f、l、r,x五个键来选择顶视、前视、左视、右视、斜视这5个方向的视图，以及空格暂停、方向键调整切面
+ * 鼠标的动作定义在MouseAction类中。
+ * 
+ * @author Yong Zhu
+ * @since 1.0
+ */
+@SuppressWarnings("all")
+public class BrainPicture extends JPanel {
+    private static final long serialVersionUID = 1L;
+
+    private static final float D90 = (float) (Math.PI / 2);
+
+    Color picColor = RED;
+    int brainDispWidth; // screen display piexls width
+    float scale; // brain scale
+    int xOffset = 0; // brain display x offset compare to screen
+    int yOffset = 0; // brain display y offset compare to screen
+    float xAngle = D90 * .8f; // brain rotate on x axis
+    float yAngle = D90 / 4; // brain rotate on y axis
+    float zAngle = 0;// brain rotate on z axis
+    int xMask = -1;// x Mask
+    int yMask = -1;// y Mask
+    BufferedImage buffImg;
+    Graphics g;
+    String note;
+    public KeyAdapter keyAdapter;
+
+    public BrainPicture(int x, int y, float brainWidth, int brainDispWidth) {
+        super();
+        this.setLayout(null);// 空布局
+        this.brainDispWidth = brainDispWidth;
+        scale = 0.5f * brainDispWidth / brainWidth;
+        this.setBounds(x, y, brainDispWidth + 1, brainDispWidth + 1);
+        buffImg = new BufferedImage(Env.FROG_BRAIN_DISP_WIDTH, Env.FROG_BRAIN_DISP_WIDTH, BufferedImage.TYPE_INT_RGB);
+        g = buffImg.getGraphics();
+        MouseAction act = new MouseAction(this);
+        this.addMouseListener(act); // 添加鼠标动作监听
+        this.addMouseWheelListener(act);// 添加鼠标滚轮动作监听
+        this.addMouseMotionListener(act);// 添加鼠标移动动作监听
+
+        keyAdapter = new KeyAdapter() {// 处理t,f,l,r，x键盘命令
+            @Override
+            public void keyPressed(KeyEvent e) {
+                switch (e.getKeyCode()){
+                case KeyEvent.VK_UP:// Y切面向上
+                    yMask++;
+                    if (yMask > Env.BRAIN_YSIZE)
+                        yMask = Env.BRAIN_YSIZE;
+                    break;
+                case KeyEvent.VK_DOWN:// Y切面向下
+                    yMask--;
+                    if (yMask < 0)
+                        yMask = 0;
+                    break;
+                case KeyEvent.VK_LEFT:// x切面向左
+                    xMask--;
+                    if (xMask < 0)
+                        xMask = 0;
+                    break;
+                case KeyEvent.VK_RIGHT:// x切面向右
+                    xMask++;
+                    if (xMask > Env.BRAIN_XSIZE)
+                        xMask = Env.BRAIN_XSIZE;
+                    break;
+                case ' ':// 暂停及继续
+                    Application.pauseAction.actionPerformed(null);
+                    break;
+                case 'T':// 顶视
+                    xAngle = 0;
+                    yAngle = 0;
+                    zAngle = 0;
+                    break;
+                case 'F':// 前视
+                    xAngle = D90;
+                    yAngle = 0;
+                    zAngle = 0;
+                    break;
+                case 'L':// 左视
+                    xAngle = D90;
+                    yAngle = D90;
+                    zAngle = 0;
+                    break;
+                case 'R':// 右视
+                    xAngle = D90;
+                    yAngle = -D90;
+                    zAngle = 0;
+                    break;
+                case 'X':// 斜视
+                    xAngle = D90 * .8f;
+                    yAngle = D90 / 4;
+                    zAngle = 0;
+                    break;
+                default:
+                }
+            }
+        };
+        addKeyListener(keyAdapter);
+        this.setFocusable(true);
+    }
+
+    public void drawCuboid(Cuboid c) {// 在脑图上画一个长立方体框架，视角是TopView
+        drawCuboid(c.x, c.y, c.z, c.xe, c.ye, c.ze);
+    }
+
+    public void drawCuboid(float x, float y, float z, float xe, float ye, float ze) {// 在脑图上画一个长立方体框架，视角是TopView
+        drawLine(x, y, z, x + xe, y, z);// 画立方体的下面边
+        drawLine(x + xe, y, z, x + xe, y + ye, z);
+        drawLine(x + xe, y + ye, z, x, y + ye, z);
+        drawLine(x, y + ye, z, x, y, z);
+
+        drawLine(x, y, z, x, y, z + ze);// 画立方体的中间边
+        drawLine(x + xe, y, z, x + xe, y, z + ze);
+        drawLine(x + xe, y + ye, z, x + xe, y + ye, z + ze);
+        drawLine(x, y + ye, z, x, y + ye, z + ze);
+
+        drawLine(x, y, z + ze, x + xe, y, z + ze);// 画立方体的上面边
+        drawLine(x + xe, y, z + ze, x + xe, y + ye, z + ze);
+        drawLine(x + xe, y + ye, z + ze, x, y + ye, z + ze);
+        drawLine(x, y + ye, z + ze, x, y, z + ze);
+    }
+
+    /*-
+      画线，固定以top视角的角度，所以只需要从x1,y1画一条到x2,y2的直线	
+    	绕 x 轴旋转 θ
+    	x, y.cosθ-zsinθ, y.sinθ+z.cosθ
+    
+    	绕 y 轴旋转 θ 
+    	z.sinθ+x.cosθ,  y,  z.cosθ-x.sinθ	
+    	
+    	 绕 z 轴旋转 θ
+    	x.cosθ-y.sinθ, x.sinθ+y.consθ, z
+     -*/
+    public void drawLine(float px1, float py1, float pz1, float px2, float py2, float pz2) {
+        double x1 = px1 - Env.BRAIN_XSIZE / 2;
+        double y1 = -py1 + Env.BRAIN_YSIZE / 2;// 屏幕的y坐标是反的，显示时要正过来
+        double z1 = pz1 - Env.BRAIN_ZSIZE / 2;
+        double x2 = px2 - Env.BRAIN_XSIZE / 2;
+        double y2 = -py2 + Env.BRAIN_YSIZE / 2;// 屏幕的y坐标是反的，显示时要正过来
+        double z2 = pz2 - Env.BRAIN_ZSIZE / 2;
+        x1 = x1 * scale;
+        y1 = y1 * scale;
+        z1 = z1 * scale;
+        x2 = x2 * scale;
+        y2 = y2 * scale;
+        z2 = z2 * scale;
+        double x, y, z;
+        y = y1 * cos(xAngle) - z1 * sin(xAngle);// 绕x轴转
+        z = y1 * sin(xAngle) + z1 * cos(xAngle);
+        y1 = y;
+        z1 = z;
+
+        x = z1 * sin(yAngle) + x1 * cos(yAngle);// 绕y轴转
+        // z = z1 * cos(yAngle) - x1 * sin(yAngle);
+        x1 = x;
+        // z1 = z;
+
+        x = x1 * cos(zAngle) - y1 * sin(zAngle);// 绕z轴转
+        y = x1 * sin(zAngle) + y1 * cos(zAngle);
+        x1 = x;
+        y1 = y;
+
+        y = y2 * cos(xAngle) - z2 * sin(xAngle);// 绕x轴转
+        z = y2 * sin(xAngle) + z2 * cos(xAngle);
+        y2 = y;
+        z2 = z;
+
+        x = z2 * sin(yAngle) + x2 * cos(yAngle);// 绕y轴转
+        // z = z2 * cos(yAngle) - x2 * sin(yAngle);
+        x2 = x;
+        // z2 = z;
+
+        x = x2 * cos(zAngle) - y2 * sin(zAngle);// 绕z轴转
+        y = x2 * sin(zAngle) + y2 * cos(zAngle);
+        x2 = x;
+        y2 = y;
+
+        g.setColor(picColor);
+        g.drawLine((int) round(x1) + Env.FROG_BRAIN_DISP_WIDTH / 2 + xOffset, (int) round(y1) + Env.FROG_BRAIN_DISP_WIDTH / 2 + yOffset, (int) round(x2) + Env.FROG_BRAIN_DISP_WIDTH / 2 + xOffset,
+                (int) round(y2) + Env.FROG_BRAIN_DISP_WIDTH / 2 + yOffset);
+    }
+
+    /** 画点，固定以top视角的角度，所以只需要在x1,y1位置画一个点 */
+    public void drawPoint(float px1, float py1, float pz1, float r) {
+        double x1 = px1 - Env.BRAIN_XSIZE / 2;
+        double y1 = -py1 + Env.BRAIN_YSIZE / 2;// 屏幕的y坐标是反的，显示时要正过来
+        double z1 = pz1 - Env.BRAIN_ZSIZE / 2;
+        x1 = x1 * scale;
+        y1 = y1 * scale;
+        z1 = z1 * scale;
+        double x, y, z;
+        y = y1 * cos(xAngle) - z1 * sin(xAngle);// 绕x轴转
+        z = y1 * sin(xAngle) + z1 * cos(xAngle);
+        y1 = y;
+        z1 = z;
+
+        x = z1 * sin(yAngle) + x1 * cos(yAngle);// 绕y轴转
+        // z = z1 * cos(yAngle) - x1 * sin(yAngle);
+        x1 = x;
+        // z1 = z;
+
+        x = x1 * cos(zAngle) - y1 * sin(zAngle);// 绕z轴转
+        y = x1 * sin(zAngle) + y1 * cos(zAngle);
+        x1 = x;
+        y1 = y;
+
+        g.setColor(picColor);
+        g.fillOval(round((float) x1 + Env.FROG_BRAIN_DISP_WIDTH / 2 + xOffset - r * scale * .5f), round((float) y1 + Env.FROG_BRAIN_DISP_WIDTH / 2 + yOffset - r * scale * .5f), round(r * scale),
+                round(r * scale));
+    }
+
+    /** 画一个圆 */
+    public void drawCircle(float px1, float py1, float pz1, float r) {//这个方法实际和上面的一样的，只是改成了drawOval
+        double x1 = px1 - Env.BRAIN_XSIZE / 2;
+        double y1 = -py1 + Env.BRAIN_YSIZE / 2;// 屏幕的y坐标是反的，显示时要正过来
+        double z1 = pz1 - Env.BRAIN_ZSIZE / 2;
+        x1 = x1 * scale;
+        y1 = y1 * scale;
+        z1 = z1 * scale;
+        double x, y, z;
+        y = y1 * cos(xAngle) - z1 * sin(xAngle);// 绕x轴转
+        z = y1 * sin(xAngle) + z1 * cos(xAngle);
+        y1 = y;
+        z1 = z;
+
+        x = z1 * sin(yAngle) + x1 * cos(yAngle);// 绕y轴转
+        // z = z1 * cos(yAngle) - x1 * sin(yAngle);
+        x1 = x;
+        // z1 = z;
+
+        x = x1 * cos(zAngle) - y1 * sin(zAngle);// 绕z轴转
+        y = x1 * sin(zAngle) + y1 * cos(zAngle);
+        x1 = x;
+        y1 = y;
+
+        g.setColor(picColor);
+        g.drawOval(round((float) x1 + Env.FROG_BRAIN_DISP_WIDTH / 2 + xOffset - r * scale * .5f), round((float) y1 + Env.FROG_BRAIN_DISP_WIDTH / 2 + yOffset - r * scale * .5f), round(r * scale),
+                round(r * scale));
+    }
+
+    public void drawText(float px1, float py1, float pz1, String text, float textSize) {
+        double x1 = px1 - Env.BRAIN_XSIZE / 2;
+        double y1 = -py1 + Env.BRAIN_YSIZE / 2;// 屏幕的y坐标是反的，显示时要正过来
+        double z1 = pz1 - Env.BRAIN_ZSIZE / 2;
+        x1 = x1 * scale;
+        y1 = y1 * scale;
+        z1 = z1 * scale;
+        double x, y, z;
+        y = y1 * cos(xAngle) - z1 * sin(xAngle);// 绕x轴转
+        z = y1 * sin(xAngle) + z1 * cos(xAngle);
+        y1 = y;
+        z1 = z;
+
+        x = z1 * sin(yAngle) + x1 * cos(yAngle);// 绕y轴转
+        // z = z1 * cos(yAngle) - x1 * sin(yAngle);
+        x1 = x;
+        // z1 = z;
+
+        x = x1 * cos(zAngle) - y1 * sin(zAngle);// 绕z轴转
+        y = x1 * sin(zAngle) + y1 * cos(zAngle);
+        x1 = x;
+        y1 = y;
+
+        g.setColor(picColor);
+        g.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, (int) round(textSize * scale)));
+        g.drawString(text, (int) round(x1) + Env.FROG_BRAIN_DISP_WIDTH / 2 + xOffset, (int) round(y1) + Env.FROG_BRAIN_DISP_WIDTH / 2 + yOffset);
+
+    }
+
+    private static Cuboid brain = new Cuboid(0, 0, 0, Env.BRAIN_XSIZE, Env.BRAIN_YSIZE, Env.BRAIN_ZSIZE);
+
+    
+    
+    public void drawBrainPicture() {// 在这个方法里进行动物的三维脑结构的绘制,蛇是青蛙的子类，所以也可以当参数传进来
+        if (!Env.SHOW_FIRST_ANIMAL_BRAIN)
+            return;
+        if(Env.show_split_detail)
+            drawSplitDetail();
+        else 
+            drawBrainStructure();
+    }
+    
+    public void drawSplitDetail() {// 在这个方法里绘制脑细胞分裂的显示步聚，即从一个细胞开始分裂成最终脑结构的每一步
+        Animal a = Env.getShowAnimal(); // 第一个青蛙或蛇
+
+        for (int i = Env.BRAIN_CUBE_SIZE; i >= 1; i /= 2) {
+            g.setColor(WHITE);// 先清空旧图, g是buffImg，绘在内存中
+            g.fillRect(0, 0, brainDispWidth, brainDispWidth);
+            g.setColor(BLACK); // 画边框
+            g.drawRect(0, 0, brainDispWidth, brainDispWidth);
+
+            for (int geneIndex = 0; geneIndex < Cells.GENE_NUMBERS; geneIndex++) {
+                ArrayList<Integer> gene = a.genes.get(geneIndex);
+                Tree8Util.knockNodesByGene(gene);
+                for (int j = 0; j < Tree8Util.NODE_QTY; j++) {
+                    if (Tree8Util.keep[j]>=0) {
+                        int[] node = Tree8Util.TREE8[j];
+                        int size = node[0];
+                        if (size == i && Env.display_gene[geneIndex]) {//如果允许显示的话, 显示当前层级的节点
+                            setPicColor(ColorUtils.colorByCode(geneIndex));
+                            drawPoint(node[1] + size / 2, node[2] + size / 2, node[3] + size / 2, size * (0.5f - geneIndex * 0.05f));
+                        }
+                    }
+                }
+            }
+            g.setColor(BLACK);
+            drawCuboid(brain);// 把脑的框架画出来
+            this.getGraphics().drawImage(buffImg, 0, 0, this);// 利用缓存避免画面闪烁，这里输出缓存图片 
+            if (!Env.show_split_detail)
+                return;
+            try {
+                Thread.sleep(500);
+            } catch (InterruptedException e) {
+            }
+        }
+    }
+    
+    public void drawBrainStructure() {// 在这个方法里进行动物的三维脑结构的绘制,蛇是青蛙的子类，所以也可以当参数传进来
+        Animal a = Env.getShowAnimal(); // 显示第一个青蛙或蛇
+        if (a == null || !a.alive)
+            return;
+        g.setColor(WHITE);// 先清空旧图, g是buffImg，绘在内存中
+        g.fillRect(0, 0, brainDispWidth, brainDispWidth);
+        g.setColor(BLACK); // 画边框
+        g.drawRect(0, 0, brainDispWidth, brainDispWidth);
+
+        for (int z = 0; z < Env.BRAIN_CUBE_SIZE; z++) {
+            for (int y = Env.BRAIN_CUBE_SIZE - 1; y >= 0; y--) {
+                for (int x = Env.BRAIN_CUBE_SIZE - 1; x >= 0; x--) {
+                    if (x >= xMask && y >= yMask && a.cells[x][y][z] != 0)
+                        for (int geneIndex = 0; geneIndex < Cells.GENE_NUMBERS; geneIndex++) {
+                            if ((a.cells[x][y][z] & (1 << geneIndex)) != 0 && Env.display_gene[geneIndex]) {
+                                setPicColor(ColorUtils.colorByCode(geneIndex)); //开始画出对应的细胞基因参数，用不同颜色直径圆表示
+                                drawPoint(x + 0.5f, y + 0.5f, z + 0.5f, geneIndex == 0 ? 0.8f : 0.5f - geneIndex * 0.05f);
+                            }
+                        }
+                }
+            }
+        }
+
+        setPicColor(Color.BLACK);
+        //BrainShapeJudge.show(this);//这行显示目标形状这个模子
+
+        drawCuboid(brain);// 把脑的框架画出来
+
+        setPicColor(BLACK); //把x,y,z坐标画出来
+        drawText(Env.BRAIN_CUBE_SIZE, 0, 0, "x", 2);
+        drawText(0, Env.BRAIN_CUBE_SIZE, 0, "y", 2);
+        drawText(0, 0, Env.BRAIN_CUBE_SIZE, "z", 2);
+        setPicColor(RED);
+        drawLine(0, 0, 0, Env.BRAIN_CUBE_SIZE, 0, 0);
+        drawLine(0, 0, 0, 0, Env.BRAIN_CUBE_SIZE, 0);
+        drawLine(0, 0, 0, 0, 0, Env.BRAIN_CUBE_SIZE);
+
+        g.setColor(Color.black);
+        if (note != null) // 全局注释
+            g.drawString(note, 30, 55);
+        this.getGraphics().drawImage(buffImg, 0, 0, this);// 利用缓存避免画面闪烁，这里输出缓存图片
+    }
+
+    public static void setNote(String note) {
+        Application.brainPic.note = note;
+    }
+
+    // getters & setters
+    public float getScale() {
+        return scale;
+    }
+
+    public void setScale(float scale) {
+        this.scale = scale;
+    }
+
+    public float getxAngle() {
+        return xAngle;
+    }
+
+    public void setxAngle(float xAngle) {
+        this.xAngle = xAngle;
+    }
+
+    public float getyAngle() {
+        return yAngle;
+    }
+
+    public void setyAngle(float yAngle) {
+        this.yAngle = yAngle;
+    }
+
+    public float getzAngle() {
+        return zAngle;
+    }
+
+    public void setzAngle(float zAngle) {
+        this.zAngle = zAngle;
+    }
+
+    public void setPicColor(Color color) {
+        this.picColor = color;
+    }
+
+    public Color getPicColor() {
+        return picColor;
+    }
+
+    public int getxOffset() {
+        return xOffset;
+    }
+
+    public void setxOffset(int xOffset) {
+        this.xOffset = xOffset;
+    }
+
+    public int getyOffset() {
+        return yOffset;
+    }
+
+    public void setyOffset(int yOffset) {
+        this.yOffset = yOffset;
+    }
+
+}