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Activities/Turtle Art (view source)
Revision as of 13:36, 22 November 2010
, 13:36, 22 November 2010→Programmable Brick: added mouse code
lc.tw.save_as_image(str(x))
lc.tw.save_as_image(str(x))
return
return
def myblock(lc, x):
###########################################################################
#
# Push mouse event to stack
#
###########################################################################
if lc.tw.mouse_flag == 1:
# push y first so x will be popped first
lc.heap.append((lc.tw.canvas.height / 2) - lc.tw.mouse_y)
lc.heap.append(lc.tw.mouse_x - (lc.tw.canvas.width / 2))
lc.heap.append(1) # mouse event
lc.tw.mouse_flag = 0
else:
lc.heap.append(0) # no mouse event
===Understanding the Structure of the Turtle Art program===
===Understanding the Structure of the Turtle Art program===