BFOIT - Introduction to Computer Programming
Background
jLogo Programming
- Commanding a Turtle
- Pseudocode
- Adding New Commands
- Iteration & Animation
- Hierarchical Structure
- Procedure Inputs
- Operators & Expressions
- Defining Operators
- Words & Sentences
- User Interface Events
- What If? (Predicates)
- Recursion
- Local Variables
- Global Variables
- Word/Sentence Iteration
- Mastermind Project
- Turtles As Actors
- Arrays
- File Input/Output
Java
- A Java Program
- What's a Class?
- Extending Existing Classes
- Types
- Turtle Graphics
- Control Flow
- User Interface Events
Appendices
- Jargon
- What Is TG?
- TG Directives
- jLogo Primitives
- TG Editor
- Java Tables
- Example Programs
- Installation Notes
Updates
- December 13, 2008
- January 6, 2012
- March 15, 2013
- January 20, 2014
- February 13, 2014
- July 29, 2014
- January 18, 2016
- January 29, 2016
Lastly
Introduction to Computer Programming - drawBoard.java
Turtle Graphics in Java
drawBoard.java
drawBoard.java
Here is the source code for my drawBoard() method and a Java Applet that demonstrates what happens when it is executed.
void drawBoard()
{
setheading( 0 );
penup();
setxy( -50, -150 );
pendown();
forward( 300 );
penup();
setxy( 50, -150 );
pendown();
forward( 300 );
setheading( 90 );
penup();
setxy(-150, -50 );
pendown();
forward( 300 );
penup();
setxy( -150, 50 );
pendown();
forward( 300 );
penup();
} // end drawBoard()
