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Line 312:
Line 312: − # draw a dotted line of length x+ Line 335:
Line 335: − # push an uppercase version of a string onto the heap+ Line 345:
Line 345: − # push hours, minutes, seconds onto the heap+ − # use three pop blocks to retrieve the values+ − # remember: the heap is a FILO (first in, last out)+ − # the first value you will pop will be seconds+ Line 355:
Line 355: − # add a third dimension (gray) to the color model+ Line 367:
Line 367: + + + + +
Activities/Turtle Art-0.86 (view source)
Revision as of 07:44, 30 September 2009
, 07:44, 30 September 2009→myblock.py
def myblock(lc,x):
def myblock(lc,x):
# draw a dotted line of length x
# make sure x is a number
# make sure x is a number
if type(x) != int and type(x) != float:
if type(x) != int and type(x) != float:
def myblock(lc,x):
def myblock(lc,x):
# push an uppercase version of a string onto the heap
if type(x) != str:
if type(x) != str:
X = str(x).upper()
X = str(x).upper()
def myblock(lc,x):
def myblock(lc,x):
# push hours, minutes, seconds onto the heap
# use three pop blocks to retrieve the values
# remember: the heap is a FILO (first in, last out)
# the first value you will pop will be seconds
lc.heap.append(localtime().tm_hour)
lc.heap.append(localtime().tm_hour)
lc.heap.append(localtime().tm_min)
lc.heap.append(localtime().tm_min)
def myblock(lc,x):
def myblock(lc,x):
# add a third dimension (gray) to the color model
# calculate the value (brightness) of the current color
# calculate the value (brightness) of the current color
val = 0.3 * lc.tw.rgb[0] + 0.6 * lc.tw.rgb[1] + 0.1 * lc.tw.rgb[2]
val = 0.3 * lc.tw.rgb[0] + 0.6 * lc.tw.rgb[1] + 0.1 * lc.tw.rgb[2]
# reallocate current color
# reallocate current color
lc.tw.fgcolor = lc.tw.cm.alloc_color(r<<8,g<<8,b<<8)
lc.tw.fgcolor = lc.tw.cm.alloc_color(r<<8,g<<8,b<<8)
return
def myblock(lc,x)
# save a screenshot in the journal
lc.tw.activity._do_saveimage_cb(lc.tw.activity)
return
return