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Activities/Turtle Art/Programmable Brick (view source)
Revision as of 16:50, 27 January 2012
, 16:50, 27 January 2012→Sample code
[[Image:TA-dotted-line.png]]
[[Image:TA-dotted-line.png]]
<pre>
def myblock(tw, line_length):
''' Draw a dotted line of length line_length. '''
''' Draw a dotted line of length line_length. '''
try: # make sure line_length is a number
try: # make sure line_length is a number
tw.canvas.forward(line_length)
tw.canvas.forward(line_length)
return
return
</pre>
You can pass a list of up to three arguments to tamyblock.py as in the example below that converts the input to an rgb value.
You can pass a list of up to three arguments to tamyblock.py as in the example below that converts the input to an rgb value.
[[Image:TA-rgb.png]]
[[Image:TA-rgb.png]]
<pre>
def myblock(tw, rgb_array):
''' Set rgb color from values '''
''' Set rgb color from values '''
tw.canvas.fgrgb = [(int(rgb_array[0]) % 256),
tw.canvas.fgrgb = [(int(rgb_array[0]) % 256),
(int(rgb_array[1]) % 256),
(int(rgb_array[1]) % 256),
(int(rgb_array[2]) % 256)]
(int(rgb_array[2]) % 256)]
</pre>
def myblock(tw, x):
def myblock(tw, x):