| 1 | n/a | # colormixer |
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| 2 | n/a | |
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| 3 | n/a | from turtle import Screen, Turtle, mainloop |
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| 4 | n/a | |
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| 5 | n/a | class ColorTurtle(Turtle): |
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| 6 | n/a | |
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| 7 | n/a | def __init__(self, x, y): |
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| 8 | n/a | Turtle.__init__(self) |
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| 9 | n/a | self.shape("turtle") |
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| 10 | n/a | self.resizemode("user") |
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| 11 | n/a | self.shapesize(3,3,5) |
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| 12 | n/a | self.pensize(10) |
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| 13 | n/a | self._color = [0,0,0] |
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| 14 | n/a | self.x = x |
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| 15 | n/a | self._color[x] = y |
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| 16 | n/a | self.color(self._color) |
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| 17 | n/a | self.speed(0) |
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| 18 | n/a | self.left(90) |
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| 19 | n/a | self.pu() |
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| 20 | n/a | self.goto(x,0) |
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| 21 | n/a | self.pd() |
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| 22 | n/a | self.sety(1) |
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| 23 | n/a | self.pu() |
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| 24 | n/a | self.sety(y) |
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| 25 | n/a | self.pencolor("gray25") |
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| 26 | n/a | self.ondrag(self.shift) |
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| 27 | n/a | |
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| 28 | n/a | def shift(self, x, y): |
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| 29 | n/a | self.sety(max(0,min(y,1))) |
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| 30 | n/a | self._color[self.x] = self.ycor() |
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| 31 | n/a | self.fillcolor(self._color) |
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| 32 | n/a | setbgcolor() |
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| 33 | n/a | |
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| 34 | n/a | def setbgcolor(): |
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| 35 | n/a | screen.bgcolor(red.ycor(), green.ycor(), blue.ycor()) |
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| 36 | n/a | |
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| 37 | n/a | def main(): |
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| 38 | n/a | global screen, red, green, blue |
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| 39 | n/a | screen = Screen() |
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| 40 | n/a | screen.delay(0) |
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| 41 | n/a | screen.setworldcoordinates(-1, -0.3, 3, 1.3) |
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| 42 | n/a | |
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| 43 | n/a | red = ColorTurtle(0, .5) |
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| 44 | n/a | green = ColorTurtle(1, .5) |
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| 45 | n/a | blue = ColorTurtle(2, .5) |
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| 46 | n/a | setbgcolor() |
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| 47 | n/a | |
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| 48 | n/a | writer = Turtle() |
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| 49 | n/a | writer.ht() |
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| 50 | n/a | writer.pu() |
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| 51 | n/a | writer.goto(1,1.15) |
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| 52 | n/a | writer.write("DRAG!",align="center",font=("Arial",30,("bold","italic"))) |
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| 53 | n/a | return "EVENTLOOP" |
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| 54 | n/a | |
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| 55 | n/a | if __name__ == "__main__": |
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| 56 | n/a | msg = main() |
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| 57 | n/a | print(msg) |
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| 58 | n/a | mainloop() |
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