Python turtle.goto() Examples

The following are 22 code examples of turtle.goto(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module turtle , or try the search function .
Example #1
Source File: main.py    From python-turtle-draw-svg with GNU General Public License v3.0 6 votes vote down vote up 
def Bezier_3(x1, y1, x2, y2, x3, y3, x4, y4):  # 三阶贝塞尔函数
    x1 = -Width / 2 + x1
    y1 = Height / 2 - y1
    x2 = -Width / 2 + x2
    y2 = Height / 2 - y2
    x3 = -Width / 2 + x3
    y3 = Height / 2 - y3
    x4 = -Width / 2 + x4
    y4 = Height / 2 - y4  # 坐标变换
    te.goto(x1, y1)
    te.pendown()
    for t in range(0, WriteStep + 1):
        x = Bezier(Bezier(Bezier(x1, x2, t / WriteStep), Bezier(x2, x3, t / WriteStep), t / WriteStep),
                   Bezier(Bezier(x2, x3, t / WriteStep), Bezier(x3, x4, t / WriteStep), t / WriteStep), t / WriteStep)
        y = Bezier(Bezier(Bezier(y1, y2, t / WriteStep), Bezier(y2, y3, t / WriteStep), t / WriteStep),
                   Bezier(Bezier(y2, y3, t / WriteStep), Bezier(y3, y4, t / WriteStep), t / WriteStep), t / WriteStep)
        te.goto(x, y)
    te.penup()
Example #2
Source File: homura.py    From turtle-vectorgraph with MIT License 6 votes vote down vote up 
def Bezier_3(x1, y1, x2, y2, x3, y3, x4, y4):  # 三阶贝塞尔函数
    x1 = -Width / 2 + x1
    y1 = Height / 2 - y1
    x2 = -Width / 2 + x2
    y2 = Height / 2 - y2
    x3 = -Width / 2 + x3
    y3 = Height / 2 - y3
    x4 = -Width / 2 + x4
    y4 = Height / 2 - y4  # 坐标变换
    te.goto(x1, y1)
    te.pendown()
    for t in range(0, WriteStep + 1):
        x = Bezier(Bezier(Bezier(x1, x2, t / WriteStep), Bezier(x2, x3, t / WriteStep), t / WriteStep),
                   Bezier(Bezier(x2, x3, t / WriteStep), Bezier(x3, x4, t / WriteStep), t / WriteStep), t / WriteStep)
        y = Bezier(Bezier(Bezier(y1, y2, t / WriteStep), Bezier(y2, y3, t / WriteStep), t / WriteStep),
                   Bezier(Bezier(y2, y3, t / WriteStep), Bezier(y3, y4, t / WriteStep), t / WriteStep), t / WriteStep)
        te.goto(x, y)
    te.penup()
Example #3
Source File: main.py    From python-examples with MIT License 6 votes vote down vote up 
def draw_pattern_circle(x, y, r, count, radius, color='red'):
    rotation = 360 / count

    turtle.goto(x, y)

    for _ in range(count):
        # move from center to circle
        #turtle.pu()
        turtle.color('black')
        turtle.forward(radius)
        turtle.right(90)

        draw_circle(r, color)

        # move from circle to center
        #turtle.pu()
        turtle.color('black')
        turtle.left(90)
        turtle.backward(radius)

        # rotate in circle
        turtle.right(rotation)
Example #4
Source File: main.py    From python-examples with MIT License 6 votes vote down vote up 
def draw_pattern_rectangle(x, y, width, height, count, radius, color='red'):
    rotation = 360 / count

    turtle.goto(x, y)
    
    for _ in range(count):
        # move from center to circle
        turtle.pu()
        #turtle.color('black')
        turtle.forward(radius)
        turtle.right(90+rotation/2)
        
        draw_rectangle(width, height, color)

        # move from circle to center
        turtle.pu()
        #turtle.color('black')
        turtle.left(90+rotation/2)
        turtle.backward(radius)

        # rotate in circle
        turtle.right(rotation)
Example #5
Source File: base.py    From Learning-Python-by-building-games with MIT License 5 votes vote down vote up 
def line(a, b, x, y):
    "Draw line from `(a, b)` to `(x, y)`."
    import turtle
    turtle.up()
    turtle.goto(a, b)
    turtle.down()
    turtle.goto(x, y)
Example #6
Source File: homura.py    From turtle-vectorgraph with MIT License 5 votes vote down vote up 
def polyline(x1, y1, x2, y2, x3, y3):  # 做svg坐标下的折线
    te.penup()
    te.goto(-Width / 2 + x1, Height / 2 - y1)
    te.pendown()
    te.goto(-Width / 2 + x2, Height / 2 - y2)
    te.goto(-Width / 2 + x3, Height / 2 - y3)
    te.penup()
Example #7
Source File: homura.py    From turtle-vectorgraph with MIT License 5 votes vote down vote up 
def lineto(dx, dy):  # 连接当前点和相对坐标（dx，dy）的点
    te.pendown()
    te.goto(te.xcor() + dx, te.ycor() - dy)
    te.penup()
Example #8
Source File: homura.py    From turtle-vectorgraph with MIT License 5 votes vote down vote up 
def line(x1, y1, x2, y2):  # 连接svg坐标下两点
    te.penup()
    te.goto(-Width / 2 + x1, Height / 2 - y1)
    te.pendown()
    te.goto(-Width / 2 + x2, Height / 2 - y2)
    te.penup()
Example #9
Source File: homura.py    From turtle-vectorgraph with MIT License 5 votes vote down vote up 
def Moveto(x, y):  # 移动到svg坐标下（x，y）
    te.penup()
    te.goto(-Width / 2 + x, Height / 2 - y)
Example #10
Source File: homura.py    From turtle-vectorgraph with MIT License 5 votes vote down vote up 
def Bezier_2(x1, y1, x2, y2, x3, y3):  # 二阶贝塞尔函数
    te.goto(x1, y1)
    te.pendown()
    for t in range(0, WriteStep + 1):
        x = Bezier(Bezier(x1, x2, t / WriteStep),
                   Bezier(x2, x3, t / WriteStep), t / WriteStep)
        y = Bezier(Bezier(y1, y2, t / WriteStep),
                   Bezier(y2, y3, t / WriteStep), t / WriteStep)
        te.goto(x, y)
    te.penup()
Example #11
Source File: main.py    From python-examples with MIT License 5 votes vote down vote up 
def hexagone(point, longueur,c):
   l = longueur

   x, y = point

   turtle.up()
   turtle.goto(point)
   turtle.color(c[0]) #black
   turtle.down()
   turtle.begin_fill() 
   turtle.goto(l * cos(4 / 3 * pi )+x, l * sin(4 / 3 * pi)+y)
   turtle.goto(l * cos(5 / 3 * pi)+x, l * sin(5 / 3 * pi)+y)
   turtle.goto(l * cos(0)+x, l * sin(0)+y) 
   turtle.goto(point) 
   turtle.end_fill()

   turtle.color(c[1])  #blue
   turtle.begin_fill()
   turtle.goto(l * cos(0)+x, l * sin(0)+y) 
   turtle.goto(l * cos(pi / 3)+x, l * sin(pi / 3)+y)
   turtle.goto(l * cos(pi * 2 / 3)+x, l * sin(pi * 2 / 3)+y)
   turtle.goto(point)  
   turtle.end_fill()

   turtle.color(c[2]) #red
   turtle.begin_fill()
   turtle.goto(l * cos(pi * 2 / 3)+x, l * sin(pi * 2 / 3)+y)
   turtle.goto(-l+x, 0+y)
   turtle.goto(l * cos(4 / 3 * pi)+x, l * sin(4 / 3 * pi)+y)
   turtle.goto(point)
   turtle.end_fill()
   turtle.up()

   return True
Example #12
Source File: base.py    From Learning-Python-by-building-games with MIT License 5 votes vote down vote up 
def square(x, y, size, name):
    """Draw square at `(x, y)` with side length `size` and fill color `name`.

    The square is oriented so the bottom left corner is at (x, y).

    """
    import turtle
    turtle.up()
    turtle.goto(x, y)
    turtle.down()
    turtle.color(name)
    turtle.begin_fill()

    for count in range(4):
        turtle.forward(size)
        turtle.left(90)

    turtle.end_fill()
Example #13
Source File: My_Pink_Flower_en.py    From pythonCodes with MIT License 5 votes vote down vote up 
def draw_leaf(turtle):
    turtle.fillcolor("greenyellow")
    turtle.begin_fill()
    
    base = turtle.pos()
    turtle.circle(100,75)
    turtle.goto(base)
    turtle.circle(-100,75)
    turtle.goto(base)
    turtle.end_fill()
Example #14
Source File: bqb.py    From You-are-Pythonista with GNU General Public License v3.0 5 votes vote down vote up 
def arc(sa, ea, x, y, r):  # start angle,end angle,circle center,radius
    turtle.penup()
    turtle.goto(x, y)
    turtle.setheading(0)
    turtle.left(sa)
    turtle.fd(r)
    turtle.pendown()
    turtle.left(90)
    turtle.circle(r, (ea - sa))
    return turtle.position()
Example #15
Source File: xzpq.py    From You-are-Pythonista with GNU General Public License v3.0 5 votes vote down vote up 
def head():
    '''
    头
    '''
    t.color((255, 155, 192), "pink")
    t.pu()
    t.seth(90)
    t.fd(41)
    t.seth(0)
    t.fd(0)
    t.pd()
    t.begin_fill()
    t.seth(180)
    t.circle(300, -30)  # 顺时针画一个半径为300,圆心角为30°的园
    t.circle(100, -60)
    t.circle(80, -100)
    t.circle(150, -20)
    t.circle(60, -95)
    t.seth(161)
    t.circle(-300, 15)
    t.pu()
    t.goto(-100, 100)
    t.pd()
    t.seth(-30)
    a = 0.4
    for i in range(60):
        if 0 <= i < 30 or 60 <= i < 90:
            a = a + 0.08
            t.lt(3)  # 向左转3度
            t.fd(a)  # 向前走a的步长
        else:
            a = a - 0.08
            t.lt(3)
            t.fd(a)
    t.end_fill()
Example #16
Source File: circles-picture.py    From advancedpython3 with GNU General Public License v3.0 5 votes vote down vote up 
def draw_circle(x, y, radius, red=50, green=255, blue=10, width=7):
    """ Draw a circle at a specific x, y location.
    Then draw four smaller circles recursively"""
    colour = (red, green, blue)

    # Recursively drawn smaller circles
    if radius > 50:
        # Calculate colours and line width for smaller circles
        if red < 216:
            red = red + 33
            green = green - 42
            blue = blue + 10
            width -= 1
        else:
            red = 0
            green = 255
        # Calculate the radius for the smaller circles
        new_radius = int(radius / 1.3)
        # Drawn four circles
        draw_circle(int(x + new_radius), y, new_radius, red, green, blue, width)
        draw_circle(x - new_radius, y, new_radius, red, green, blue, width)
        draw_circle(x, int(y + new_radius), new_radius, red, green, blue, width)
        draw_circle(x, int(y - new_radius), new_radius, red, green, blue, width)

    # Draw the original circle
    turtle.goto(x, y)
    turtle.color(colour)
    turtle.width(width)
    turtle.pendown()
    turtle.circle(radius)
    turtle.penup()


# Run the program
Example #17
Source File: main.py    From python-turtle-draw-svg with GNU General Public License v3.0 5 votes vote down vote up 
def Lineto(x, y):  # 连接当前点和svg坐标下（x，y）
    te.pendown()
    te.goto(-Width / 2 + x, Height / 2 - y)
    te.penup()
Example #18
Source File: main.py    From python-turtle-draw-svg with GNU General Public License v3.0 5 votes vote down vote up 
def line(x1, y1, x2, y2):  # 连接svg坐标下两点
    te.penup()
    te.goto(-Width / 2 + x1, Height / 2 - y1)
    te.pendown()
    te.goto(-Width / 2 + x2, Height / 2 - y2)
    te.penup()
Example #19
Source File: main.py    From python-turtle-draw-svg with GNU General Public License v3.0 5 votes vote down vote up 
def Moveto_r(dx, dy):
    te.penup()
    te.goto(te.xcor() + dx, te.ycor() - dy)
    te.pendown()
Example #20
Source File: main.py    From python-turtle-draw-svg with GNU General Public License v3.0 5 votes vote down vote up 
def Moveto(x, y):  # 移动到svg坐标下（x，y）
    te.penup()
    te.goto(-Width / 2 + x, Height / 2 - y)
    te.pendown()
Example #21
Source File: main.py    From python-turtle-draw-svg with GNU General Public License v3.0 5 votes vote down vote up 
def Bezier_2(x1, y1, x2, y2, x3, y3):  # 二阶贝塞尔函数
    te.goto(x1, y1)
    te.pendown()
    for t in range(0, WriteStep + 1):
        x = Bezier(Bezier(x1, x2, t / WriteStep),
                   Bezier(x2, x3, t / WriteStep), t / WriteStep)
        y = Bezier(Bezier(y1, y2, t / WriteStep),
                   Bezier(y2, y3, t / WriteStep), t / WriteStep)
        te.goto(x, y)
    te.penup()
Example #22
Source File: xzpq.py    From You-are-Pythonista with GNU General Public License v3.0 4 votes vote down vote up 
def norse():
    '''
    鼻子
    '''
    t.pu()  # 提笔
    t.goto(-100, 100)  # 画笔前往坐标(-100,100)
    t.pd()  # 下笔
    t.seth(-30)  # 笔的角度为-30°
    t.begin_fill()  # 外形填充的开始标志
    a = 0.4
    for i in range(120):
        if 0 <= i < 30 or 60 <= i < 90:
            a = a + 0.08
            t.lt(3)  # 向左转3度
            t.fd(a)  # 向前走a的步长
        else:
            a = a - 0.08
            t.lt(3)
            t.fd(a)
    t.end_fill()  # 依据轮廓填充
    t.pu()  # 提笔
    t.seth(90)  # 笔的角度为90度
    t.fd(25)  # 向前移动25
    t.seth(0)  # 转换画笔的角度为0
    t.fd(10)
    t.pd()
    t.pencolor(255, 155, 192)  # 设置画笔颜色
    t.seth(10)
    t.begin_fill()
    t.circle(5)  # 画一个半径为5的圆
    t.color(160, 82, 45)  # 设置画笔和填充颜色
    t.end_fill()
    t.pu()
    t.seth(0)
    t.fd(20)
    t.pd()
    t.pencolor(255, 155, 192)
    t.seth(10)
    t.begin_fill()
    t.circle(5)
    t.color(160, 82, 45)
    t.end_fill()