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Activities/Turtle Art/Tutorials/Turtle Art programming without words (view source)
Revision as of 21:27, 7 July 2011
, 21:27, 7 July 2011→Glossary: symbols, formatting
==Glossary==
==Glossary==
This is a partial listing showing blocks for which Mokurai has chosen a symbol, either a Unicode character or a graphic. It includes everything visible in the examples above. In some cases the same symbol appears on two blocks of different shape, where one is the definition of a function or setting of a variable, and the other calls the function or accesses the value.
===Turtle===
===Turtle===
* Forward →
* '''Forward''' →
* Back ←
* '''Back''' ←
* Right ↶
* '''Right''' ↷
* Left ↷
* '''Left''' ↶
* Arc ↻
* '''Arc''' ↻
** '''Angle''' ∡
** '''Radius''' circle with arrow from center to edge
===Pen===
===Pen===
* Pen Up ✑
* '''Pen Up''' ✑
* Pen Down ✒
* '''Pen Down''' ✒
===Numbers===
===Numbers===
Some of these functions are named with math symbols +-×÷><=, which are not changed.
Some of these functions are named with math symbols +-×÷><=, which are not changed.
* mod |
* '''mod''' |
* random ?
* '''random''' ?
* not ∼
* '''not''' ∼
* and ∧
* '''and''' ∧
* or ∨
* '''or''' ∨
* number Not decided. We are looking at various visual numerals in Unicode, such as
* '''number''' Not decided. We are looking at various visual numerals in Unicode, such as
[[File:UnicodeNumerals.png]]
[[File:UnicodeNumerals.png]]
Mayan is also a candidate, but it has not yet been added to Unicode.
Mayan is also a candidate in part because it is the only one of these number systems with a zero, but Mayan has not yet been added to Unicode.
[[File:MayanNumerals.svg]]
[[File:MayanNumerals.svg]]
===Flow===
===Flow===
* wait ⌛
* '''wait''' ⌛
* if-then
* '''if-then''' Split arrow to Yes and Continue
* if-then-else
* '''if-then-else''' Split arrow to Yes and No, then rejoin to continue
* repeat
* '''forever''' ⥁ (In some cases, this will stop at a stop stack block
* while
* '''repeat''' ⥁ (This block requires a number of repeats to execute.)
* until
* '''while''' Circle with arrow leaving at top right
* stop stack
* '''until''' Circle with arrow leaving at bottom left
* '''stop stack''' Stop sign
===Boxes===
===Boxes===
* start ↓
* '''start''' ↓
* store in box Set variable; identified by colored dot
* '''store in box''' Set variable; identified by colored dot
* box Get value of variable; identified by colored dot
* '''box''' Get value of variable; identified by colored dot
* action Identified by colored lozenge for both definition and use
* '''action''' Identified by colored lozenge for both definition and use
* text ""
* '''text''' ""
===Sensors===
* '''read keyboard''' ⌨
* '''keyboard''' (value previously read) ⌨
===Extras===
===Extras===
One of the Python programmable blocks has a drawing of a python on it. We keep that.
One of the Python programmable blocks has a drawing of a python on it. We keep that.