Adjusting recipe solutions - June

.gitignore

@@ -2,3 +2,7 @@
 *.class
 
 *.class
+
+*.class
+
+*.class

src/solutions/PentagonCrazySolution.java

@@ -1,5 +1,7 @@
 package solutions;
 
+import java.awt.Color;
+
 import org.jointheleague.graphical.robot.Robot;
 
 /* Teacher’s note: before beginning, draw a pentagon and have students work out the angle that the robot will have to turn (360/5) */
@@ -14,7 +16,7 @@ private void makePrettyThings() {
 		// 8. make the robot go at maximum speed
 		robot.setSpeed(10);
 		// 9. choose a color that you like for the shape
-		robot.setPenColor(30, 130, 30);
+		robot.setPenColor(Color.GREEN);
 		// 4. make a variable for the number of sides you want (can’t test this one)
 		int sides = 5;
 		// 5. make a variable for the angle you want the robot to turn. Hint: you can divide in Java using “/”. Can’t test until step 6.

src/solutions/DavesSpiralSolution.java → src/solutions/SpiralSolution.java

@@ -1,29 +1,27 @@
 package solutions;
-import java.util.Random;
-
 import org.jointheleague.graphical.robot.Robot;
 
-public class DavesSpiralSolution {
+public class SpiralSolution {
 
 		public static void main(String[] args) {
 			// 1. Create a new Robot and set its pen to the down position
-			Robot rob = new Robot();
-			rob.penDown();
+			Robot robot = new Robot();
+			robot.penDown();
 			// 3. Set the robot to go as fast as possible
-			rob.setSpeed(10);
+			robot.setSpeed(10);
 			// 4. Do the following (steps 5-8) 75 times
 			for(int i = 0; i < 75; i++)
 			{
 				// 6. Change the pen color to random
-				rob.setPenColor(new Random().nextInt(255), new Random().nextInt(255), new Random().nextInt(255));
+				robot.setRandomPenColor();
 				// 5. Move the robot 5 times the current line number you are drawing (5*i)
-				rob.move(5*i);
+				robot.move(5*i);
 				// 2. Turn the robot 1/3 of 360 degrees to the right
 				//rob.turn(360 / 3);
 				// 7. Change the number of sides to 7 (don’t add a new line of code for this one!)
-				rob.turn(360 / 7);
+				robot.turn(360 / 7);
 				// 8. Set the pen width to i
-				rob.setPenWidth(i);
+				robot.setPenWidth(i);
 			}
 		}
 }