2024年3月21日 星期四

雙迴圈5*5實心方塊(函式版本)

 參考：雙迴圈5*5實心方塊


範例一、用函式來實現雙迴圈5*5實心方塊

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import turtle
def square(c):
    c.begin_fill()
    c.forward(100)
    c.left(90)
    c.forward(100)
    c.left(90)
    c.forward(100)
    c.left(90)
    c.forward(100)
    c.left(90)
    c.end_fill()
    
c = turtle.Turtle()
for i in range(1,6):
    for j in range(-2,3):
        c.penup()
        c.goto(-500+i*150,j*150)
        c.pendown()
        c.color("red")
        square(c)

執行結果：



範例二、預設長度的參數

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import turtle
def square(c, length=100):
    c.begin_fill()
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.end_fill()
    
c = turtle.Turtle()
for i in range(1,6):
    for j in range(-2,3):
        c.penup()
        c.goto(-500+i*150,j*150)
        c.pendown()
        c.color("red")
        square(c,80)

執行結果：

範例三、增加顏色參數

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import turtle
def square(c, length=100, color="red"):
    c.color(color)
    c.begin_fill()
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.end_fill()
    
c = turtle.Turtle()
for i in range(1,6):
    for j in range(-2,3):
        c.penup()
        c.goto(-500+i*150,j*150)
        c.pendown()
        square(c,80, "blue")

執行結果：

範例四、增加位置參數

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import turtle
def square(c, length=100, color="red", pos_x=-650, pos_y=0):
    c.penup()
    c.goto(pos_x,pos_y)
    c.pendown()
    c.color(color)
    c.begin_fill()
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.end_fill()
    
c = turtle.Turtle()
for i in range(1,6):
    for j in range(-2,3):
        square(c,80, "blue", -400+i*100,j*100)

執行結果：

範例五：宣告主程式

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import turtle
def square(c, length=100, color="red", pos_x=-650, pos_y=0):
    c.penup()
    c.goto(pos_x,pos_y)
    c.pendown()
    c.color(color)
    c.begin_fill()
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.forward(length)
    c.left(90)
    c.end_fill()

def main():
    c = turtle.Turtle()
    for i in range(1,6):
        for j in range(-2,3):
            square(c,80, "blue", -400+i*100,j*100)    
    
if __name__ == "__main__":
    main()

執行結果：
同上題
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