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Line 676:
Line 676: − + + + + + + + + + + + + + + + + + + + − [[Image:TurtleClasses.jpg]]
→Understanding the Structure of Turtle Art
See http://docs.python.org/tutorial/classes.html for a description of classes in Python.
See http://docs.python.org/tutorial/classes.html for a description of classes in Python.
See the file TurtleArtActivity.py. This is where it starts. When an instance of TurtleArtActivity is created, setup_canvas() creates an instance of TurtleArtWindow: self.tw This instance of TurtleArtWindow creates an instance of LogoCode: self.lc and an instance of TurtleGraphics: canvas
See the file TurtleArtActivity.py. This is where it starts. When an instance of TurtleArtActivity is created, setup_canvas() creates an instance of TurtleArtWindow: self.tw This instance of TurtleArtWindow creates an instance of LogoCode: self.tw.lc and an instance of TurtleGraphics: self.tw.canvas
{| border=1
!Class!!defined in!!instance!!created in
|-
|TurtleArtActivity||TurtleArtActivity.py|| ||Sugar
|-
|TurtleArtWindow||tawindow.py||tw||TurtleArtActivity.py
|-
|LogoCode||talogo.py||lc||tawindow.py
|-
|TurtleGraphics||tacanvas.py||canvas||tawindow.py
|-
|Turtles, Turtle||taturtle.py||turtle||tawindow.py, tacanvas.py
|-
|Blocks, Block||tablock.py||block||tawindow.py
|-
|TurtleMain||turtleart.py|| ||if launching from outside of Sugar
|}
[[Image:Turtleartwindow.jpg]]
[[Image:Turtleartwindow.jpg]]