Activities/Turtle Art: Difference between revisions

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These are a collection of extra blocks for accessing advanced features only available in Turtle Blocks.

* query keyboard: check for keyboard input (results are stored in the keyboard block)

* push: push value onto FILO (first-in last-out) heap

* show heap: show FILO in status block

* keyboard: current value of keyboard input (can be used in place of a number block)

* pop: pop value off of the FILO (can be used in place of a number block)

* empty heap: empty the FILO

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* bottom of stack: block to denote the bottom of a collapsible stack

:: To use the collapsible-stack blocks, place them around the blocks you want to hide

* read pixel: push the RGB value of the pixel under the turtle onto the FILO (blue is first, red is last)

* turtle sees: the "palette color" of the pixel under the turtle

* turtle shell: import a image from the Journal to use as the turtle's 'shell', i.e., replace the turtle with a sprite.

@@ Line 374: / Line 374: @@
 These are a collection of extra blocks for accessing advanced features only available in Turtle Blocks.
-* query keyboard: check for keyboard input (results are stored in the keyboard block)
 * push: push value onto FILO (first-in last-out) heap
 * show heap: show FILO in status block
-* keyboard: current value of keyboard input (can be used in place of a number block)
 * pop: pop value off of the FILO (can be used in place of a number block)
 * empty heap: empty the FILO
@@ Line 393: / Line 392: @@
 * bottom of stack: block to denote the bottom of a collapsible stack
 :: To use the collapsible-stack blocks, place them around the blocks you want to hide
-* read pixel: push the RGB value of the pixel under the turtle onto the FILO (blue is first, red is last)
-* turtle sees: the "palette color" of the pixel under the turtle
 * turtle shell: import a image from the Journal to use as the turtle's 'shell', i.e., replace the turtle with a sprite.