com.corajr.loom.mappings

Class TurtleDraw

java.lang.Object

com.corajr.loom.mappings.TurtleDraw

public class TurtleDraw
extends Object

Classes for various drawing commands with a "turtle" that remembers the drawing state. When added to a pattern, these commands will be executed by that pattern's Turtle.

Author:

corajr

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TurtleDraw.Compound Combines multiple draw commands into one operation.
static class	TurtleDraw.Forward Draw forward by a specified amount and move the turtle to the new location.
static class	TurtleDraw.Move Move the turtle by a certain amount without drawing anything.
static class	TurtleDraw.Pop Pop a stored position and heading off of the turtle's stack.
static class	TurtleDraw.Push Push the current position and heading onto the turtle's stack.
static class	TurtleDraw.Turn Rotate the turtle by a specified amount.

Constructor Summary

Constructors

Constructor and Description
TurtleDraw()

Method Summary

Modifier and Type	Method and Description
static TurtleDrawCommand	c(TurtleDrawCommand... commands) Shorthand to combine commands.
static TurtleDraw.Forward	forward(float drawLength) Creates a draw forward command.
static TurtleDraw.Pop	pop() Creates a new Pop.
static TurtleDraw.Push	push() Creates a new Push.
static TurtleDraw.Turn	turn(float theta) Creates a rotate command.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TurtleDraw

public TurtleDraw()

Method Detail

forward

public static TurtleDraw.Forward forward(float drawLength)

Creates a draw forward command.

Parameters:

drawLength - the amount to draw forward

Returns:

a new forward

turn

public static TurtleDraw.Turn turn(float theta)

Creates a rotate command.

Parameters:

theta - the amount to rotate in radians

Returns:

a new Turn

push

public static TurtleDraw.Push push()

Creates a new Push.

Returns:

a new Push

pop

public static TurtleDraw.Pop pop()

Creates a new Pop.

Returns:

a new Pop

c

public static TurtleDrawCommand c(TurtleDrawCommand... commands)

Shorthand to combine commands.

Parameters:

commands - the commands to be combined

Returns:

a new compound command