Activities/Turtle Art: Difference between revisions
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* store in: store a number, string, or media object in a named box | * store in: store a number, string, or media object in a named box | ||
* start: connects action to toolbar 'Run' button | * start: connects action to toolbar 'Run' button | ||
====Media Palette==== | |||
[[Image:TAmedia.png]] | |||
These are a collection of blocks used for displaying media objects, such as images from the Journal. | |||
====Sensors Palette==== | |||
[[Image:TAsensors.png]] | |||
* query keyboard: check for keyboard input (results are stored in the keyboard block) | |||
* keyboard: current value of keyboard input (can be used in place of a number block) | |||
* 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 | |||
* sound: raw data from microphone ranging -32000 to 32000 | |||
* volume: ranging 0 to 32000 | |||
* pitch: the resolution is +-8Hz | |||
The OLPC XO can measure external inputs with its microphone jack: | |||
* resistance: measurement range is 750 to 14k ohms, (OLPC XO1) and 2k ohms to open circuit (OLPC XO1.5) | |||
* voltage: measurement range is DC 0.4V to 1.85V. (OLPC XO1) and 0.17V to 3.0V (OLPC XO1.5) | |||
See [[Activities/TurtleArt/Using Turtle Art Sensors]] for more details about the sensor blocks. | |||
([[Activities/TurtleArt/Uso_de_TortugaArte_Sensores]] español) | |||
====Extras Palette==== | ====Extras Palette==== | ||
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* bottom of stack: block to denote the bottom of a collapsible stack | * 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 | :: To use the collapsible-stack blocks, place them around the blocks you want to hide | ||
====Portfolio Palette==== | ====Portfolio Palette==== | ||