Interface Turtle

Turtle interface.

Defines the interface that any turtle must implement. Note that the standard directions/rotations use Logo semantics: initial heading of zero is 'up', and positive angles rotate the turtle clockwise.

interface Turtle {
    color(color): void;
    forward(units): void;
    getSVG(): string;
    turn(degrees): void;
}

Implemented by

DrawableTurtle

Index

Methods

color forward getSVG turn

Methods

color

color(color): void
Change the turtle's current pen color.
Parameters
- color: PenColor
  new pen color
Returns void

forward

forward(units): void
Move the turtle forward a number of steps.
Parameters
- units: number
  number of steps to move in the current direction; must be positive
Returns void

getSVG

getSVG(): string
Get the image created by this turtle.

Returns string
string containing image in SVG format

turn

turn(degrees): void
Change the turtle's heading by a number of degrees clockwise.
Parameters
- degrees: number
  amount of change in angle, in degrees, with positive being clockwise
Returns void

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