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Library Java library Java development tool present present command

PTurtle Description

PTurtle is a library that provides a turtle drawing object in Processing. Designed with LOGO's educational principles in mind, the turtle presents uncomplicated commands and an intuitive metaphor to the new programmer. Teaching with the turtle offers a gentle introduction to the imperative, procedural and abstract thinking skills needed by new programmers. As well as the standard forwards, backwards and turn commands, the turtle can draw with Processing-like moveToward commands that take x and y co-ordinates. For the teacher and student, these methods ease the transition from first-person turtle geometry to Processing's Euclidian geometry. For more advanced learners, the library offers a HistoryTurtle which stores the lines it draws and makes them available for editing. The HistoryTurtle contains a publicly accessible ArrayList holding individual Line objects, extending the turtle metaphor and providing a visual way in to using objects and collections in Processing.

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