Worked on Many Animals Recipes w/Jim

Author: lynnlangit

src/org/teachingextensions/logo/MultiTurtlePanel.java

@@ -17,7 +17,7 @@
 import org.teachingextensions.logo.Turtle.Animals;
 import org.teachingextensions.windows.ProgramWindow;
 
-public class MultiTurtlePanel extends ProgramWindow
+public class MultiTurtlePanel extends TurtlePanel
 {
   private List<Turtle> turtles;
   private Image        image;
@@ -29,6 +29,7 @@ public MultiTurtlePanel()
   public void addTurtle(Turtle turtle)
   {
     this.turtles.add(turtle);
+    turtle.setPanel(this);
   }
   @Override
   public void paint(Graphics g)
@@ -101,7 +102,7 @@ public void setCursor(int cursor)
   }
   public void showPanel()
   {
-    JFrame frame = new JFrame("Animals");
+    JFrame frame = new JFrame("So Many Turtles");
     frame.getContentPane().add(this);
     ProgramWindow.createStandardFrame(frame);
     this.repaint();

src/org/teachingextensions/logo/Turtle.java

@@ -94,7 +94,7 @@ private Component getPanel()
   {
     if (panel == null)
     {
-      String title = "Turtle";
+      String title = "TKPJava Turtle";
       panel = new TurtlePanel();
       if (speed != TEST_SPEED)
       {
@@ -156,11 +156,15 @@ private void animate(double amount, double max, Saver<Double> s)
     refreshPanel();
   }
   private void refreshPanel()
+  {
+    refreshPanel(getPanel());
+  }
+  private void refreshPanel(Component panel)
   {
     long delay = getDelay();
     if (delay != TEST_SPEED)
     {
-      getPanel().repaint();
+      panel.repaint();
       try
       {
         Thread.sleep(delay);
@@ -303,4 +307,16 @@ public static double angleCalculator(int x1, int y1, int x2, int y2)
     double degreesWith0North = degrees - 90;
     return degreesWith0North;
   }
+  public void setPanel(TurtlePanel panel)
+  {
+    this.panel = panel;
+  }
+  public void drawStar(int size)
+  {
+    for (int i = 1; i <= 5; i++)
+    {
+      this.turn(360 / 2.5);
+      this.move(size);
+    }
+  }
 }

src/org/teachingkidsprogramming/section07events/ManyAnimals.java

@@ -1,5 +1,7 @@
 package org.teachingkidsprogramming.section07events;
 
+import java.util.ArrayList;
+
 import org.teachingextensions.logo.MultiTurtlePanel;
 import org.teachingextensions.logo.Turtle;
 import org.teachingextensions.windows.MouseLeftClickListener;
@@ -10,30 +12,61 @@ public ManyAnimals()
   {
     showSomeTurtles();
   }
+  //create an ArrayList of Turtle Objects
+  public ArrayList<Turtle> turtles = new ArrayList<Turtle>();
+  //create a window for many turtles
+  public MultiTurtlePanel  mt      = new MultiTurtlePanel();
   private void showSomeTurtles()
   {
-    MultiTurtlePanel mt = new MultiTurtlePanel();
-    Turtle t1 = new Turtle();
-    mt.addTurtle(t1);
-    t1.setX(100);
-    t1.setY(300);
-    Turtle t2 = new Turtle();
-    mt.addTurtle(t2);
-    t1.setX(300);
-    t1.setY(100);
     mt.showPanel();
+    //Have SimpleBubble listen for when the left mouse button is clicked in your program window
+    //mt.addMouseLeftClickListener(this);
+    int size = 100;
+    //add three turtles
+    for (int i = 1; i <= 3; i++)
+    {
+      //create a turtle
+      Turtle turtle = new Turtle();
+      //add the turtles to the turtles
+      turtles.add(turtle);
+    }
+    //add all the turtles to the window
+    for (Turtle turtle : turtles)
+    {
+      //must call addTurtle BEFORE calling other methods 
+      //add the first turtle to the windows
+      mt.addTurtle(turtle);
+    }
+    //set the X, Y - teleport
+    for (int i = 0; i < 3; i++)
+    {
+      turtles.get(i).setX(i * 100 + 350);
+      turtles.get(i).setY(i * 100 + 100);
+    }
+    for (Turtle turtle : turtles)
+    {
+      //have the first Turtle draw a star
+      turtle.setSpeed(7);
+      turtle.drawStar(size);
+    }
   }
   @Override
+  //threading error - Virtual Proctor contention
   public void onLeftMouseClick(int x, int y)
   {
-    // createTurtles (recipe below) --#8
-    //------------- Recipe for createTurtles --#8
-    // Remove previous Tortoise from your program window --#9
-    // programWindow.removePaintable();
-    // Set the count of Turtles to a random number between 10 and 50 --#2.5
-    // Create a tortoise at 200, 300 --#2.1
-    // Add the circle to your program window --#2.4
-    //------------- End of createTurtles recipe --#8
+    int size = 200;
+    //create a new Turtle
+    Turtle turtle = new Turtle();
+    //add another turtle to the turtles
+    turtles.add(turtle);
+    // the turtle to the window
+    mt.addTurtle(turtle);
+    turtle.show();
+    // teleport the new turtle to the x and y of the mouse click
+    turtle.setX(x);
+    turtle.setY(y);
+    // have this turtle draw a star
+    turtle.drawStar(size);
   }
   public static void main(String[] args)
   {