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.

Hierarchy

  • Turtle

Implemented by

Methods

  • Change the turtle's current pen color.

    Parameters

    Returns 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

  • Get the image created by this turtle.

    Returns

    string containing image in SVG format.

    Returns string

  • 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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