Contents

CONTENTS
Contents in detail
INTRODUCTION Artist's Tools

Functions
Procedures
Splitting the screen

CHAPTER 1 Turtle Graphics

Intrinsic geometry
Turtle geometry
Turtle commands
A square dance
An unsquare dance
Both sides now
The snowflake curve

CHAPTER 2 Turtle Geometry

Triangulation
Degrees of radians
Further functions
Moving commands
Circular motion
Changing plotting styles

CHAPTER 3 Turtle Graphics III

Choosing colours
The three turtles
The new routines
Example pictures
The game

CHAPTER 4 Driving Graphics

Asking about ASCII
Character generation
Character designer
Numbers to characters
Saving the routines
Saving the designs
Text in graphics

CHAPTER 5 Drawing Charts and Graphs

Random additions
Drawing the graph
Initialization
The real thing
Oblique rectangles

CHAPTER 6 Turtle Graphics III

Rectilinear coordinates
Slipping and sliding
Complex transformations
A new geometry
Parametric functions

CHAPTER 7 Generative Graphics

Further work
What to read

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