def draw_tree(x,y):
    startPosX = x
    startPosY = y
    turtle.setpos(x,y)
    turtle.fillcolor("green")
    turtle.begin_fill()
    for i in range(0,4):
        x -=40
        y -=80
        turtle.goto(x,y)
        coords.append(turtle.pos())
        x += 20
        turtle.goto(x,y)
    bottomCorner = turtle.pos()
    x = startPosX
    y = startPosY
    turtle.setpos(x,y)
    for i in range(0,4):
        x +=40
        y -=80
        turtle.goto(x,y)
        coords.append(turtle.pos())
        x -= 20
        turtle.goto(x,y)
    turtle.goto(bottomCorner)
    turtle.end_fill()

def draw_star(size, color):

    turtle.pendown()
    turtle.begin_fill()
    turtle.color(1,1,1)
    turtle.forward(2.5) 
    turtle.left(size)
    turtle.forward(2.5)
    turtle.right(144)
    turtle.forward(2.5)
    turtle.left(size)
    turtle.forward(2.5)
    turtle.right(144)
    turtle.forward(2.5)
    turtle.left(size)
    turtle.forward(2.5)
    turtle.right(144)
    turtle.forward(2.5)
    turtle.left(size)
    turtle.forward(2.5)
    turtle.right(144)
    turtle.forward(2.5)
    turtle.left(size)
    turtle.forward(2.5)
    turtle.right(144)
    turtle.end_fill()
    turtle.penup()

def draw_circle(x,y):
	turtle.penup()
	turtle.goto(x,y)
	turtle.pendown()
	turtle.begin_fill()
	turtle.circle(10)
	turtle.end_fill()

def block( x, y, width, height, fill, color ):
	goto( x, y )
	
	print 'block(): drawing block of size', width, height
	# tell the turtle to go foward by width
	# tell the turtle to turn left by 90 degrees
	# tell the turtle to go forward by height
	# tell the turtle to turn left by 90 degrees
	# repeat the above 4 commands
	
	# if the parameter fill is true then do this
	if fill == "True":
		''' draw a block at position (x,y) with the
			given width and height, and fill with 
			the color '''
		t.begin_fill()
		t.color(color)
		for i in range(2):
			t.forward(width)
			t.left(90)
			t.forward(height)
			t.left(90)	
		t.end_fill()
	# if the parameter fill is false then do this
	else:
		''' draw a block at position (x,y) with the
			given width and height, and fill with 
			the color '''
		for i in range(2):
			t.forward(width)
			t.left(90)
			t.forward(height)
			t.left(90)	

def grass( x, y, scale ):
	'''draws a huge blue square given location and scale'''
	t.tracer(False)
	t.begin_fill()
	t.color('green')
	buildingblock(x-1000*scale, y-1000*scale, 2000*scale, 1075*scale)
	t.end_fill()

def circunferencia(simbolos,identificador,linea):
  p1= obtener_punto(2,identificador,simbolos)
  radio = obtener_radio(identificador,simbolos)
  x1 = obtener_x(p1,simbolos)
  y1 = obtener_y(p1,simbolos)
 
  escalar = obtener_escalar(identificador, simbolos,linea)
  relleno = obtener_color(obtener_relleno(identificador,simbolos,linea))
  borde = obtener_color(obtener_borde(identificador,simbolos,linea))  
  turtle.color(borde)
  if escalar == 0:
    escalar=1
  tx = obtener_tx(identificador, simbolos,linea)
  ty = obtener_ty(identificador, simbolos,linea)
  turtle.pensize(8)
  turtle.penup()

  
  #Trasladar circunferencia
  x1 = x1 + tx
  y1 = y1 + ty

  #turtle.setposition(x1, y1-(radio*44))
  #turtle.pendown()
  #turtle.circle(radio*44)

  #Escalar circunferencia
  turtle.penup()
  #turtle.setposition(x1, y1-(radio*44*escalar))
  turtle.setposition(x1*44, (y1*44)-(radio*44*escalar))
  turtle.pendown()
  turtle.fillcolor(relleno)
  turtle.begin_fill()
  turtle.circle(radio*44*escalar)
  turtle.end_fill()

def star( x, y, scale, fill, color ):
	'''draws a star given location, scale, and color'''
	goto( x, y )
	
	if fill == "True":
		'''if the scale is 1, and fill == True
			then this function will draw a star 
			with its left point at (x,y) and
			will have star ray lengths of 50
			and filled with the color given'''
		t.begin_fill()
		t.color(color)
		for i in range(10):
			t.forward(50*scale)
			t.right(108)
			t.forward(50*scale)
			t.left(144)
		t.end_fill()
	else: 
		'''if the scale is 1, and fill == False
			then this function will draw a star 
			with its left point at (x,y) and
			will have star ray lengths of 50
			and with no color fill'''
		t.begin_fill()
		for i in range(10):
			t.forward(50*scale)
			t.right(108)
			t.forward(50*scale)
			t.left(144)

def drawCircleAt(turtleX, turtleY, circleSize):
    turtle.penup()
    turtle.goto(turtleX,turtleY)
    turtle.pendown()
    turtle.begin_fill()
    turtle.circle(circleSize)
    turtle.end_fill()

def draw_rectangle():
    Fline = line.split()
    if Fline[1] == 'not_int':
        print(Fline)
        print("I'm sorry, I cannot understand that integer")
        return
    if len(Fline) < 4:
        print(Fline)
        print("I'm sorry, I do not understand that value")
        return
    x = int(Fline[1])
    y = int(Fline[2])
    width = int(Fline[3])
    height = int(Fline[4])
    turtle.penup()
    turtle.setpos(x, y)
    turtle.setheading(0)
    turtle.pendown()
    turtle.begin_fill()
    turtle.forward(width)
    turtle.setheading(-90)
    turtle.forward(height)
    turtle.setheading(180)
    turtle.forward(width)
    turtle.setheading(90)
    turtle.forward(height)
    turtle.end_fill()

def drawHead(circum, colour="yellow"):

    #turtle.pencolor("yellow")
    turtle.color("black", colour)
    turtle.begin_fill()
    drawCircle(circum)
    turtle.end_fill()

def draw_vertrect(length,width,color):
    turtle.pendown()
    turtle.color(color)
    turtle.begin_fill()
    #uses color to determine length of cross
    if(color=="blue" or color == "red" or color == "light coral" or color=="yellow"):
        length*=.4375
    elif(color == "snow"or color=="navy" ):
        length*=.42857
    else:
        length*=.375
    print("the length of the first " , length, " and the width is ", width)
    #loops to draw vertical rectangle
    for x in range(5):
        if(x%5==0):
            #draws first half of left vertical line
            turtle.forward((length))
            print("drawing length")
        #draws from top of vertical to bottom of flag
        elif(x%2==0):
            turtle.forward(length*2+width)
            print("drawing long side")
        #draws small side of vertical rectangle
        elif(x!=5):
            turtle.forward(width)
        turtle.right(90)
    turtle.end_fill()

def draw_rectangle(x,y,width,height):
    """
    Draws a rectangle with the upper left hand corner starting at point (x,y).
    The said rectangle has the dimensions width x height.
    :param x:
    :param y:
    :param width:
    :param height:
    :return: None
    """
    turtle.penup()
    turtle.setx(x)
    turtle.sety(y)
    turtle.pendown()
    turtle.setheading(0)  # Set heading in x+ direction
    turtle.begin_fill()
    turtle.begin_poly()
    turtle.fd(width)
    turtle.right(90)
    turtle.fd(height)
    turtle.right(90)
    turtle.fd(width)
    turtle.right(90)
    turtle.fd(height)
    turtle.end_poly()
    turtle.end_fill()
    return None

def draw_leaf(no_of_leafs):
    """
    Draws leafs at the end of branch. Min 0 and max = no_of_leafs
    :pre: pos(0,0), heading east, up
    :post: pos(0,0), heading east, up
    :param no_of_leafs: maximum number of leads drawn
    :return: None
    """
    for i in range(no_of_leafs):
        # draws random poylgon from triangle to hexagon
        sides = random.randint(3, 6)
        color = random.choice(COLORS)
        size = 10
        angle = 360/sides
        t.left(90 - i * angle)
        t.right(90)
        t.begin_fill()
        t.down()
        t.color(color)
        for _ in range(sides):
            t.forward(size)
            t.left(angle)
        t.left(90)
        t.up()
        t.end_fill()
        t.right(90 - i * angle)

    global LEAF_COUNTER
    LEAF_COUNTER += 1

def drawFins(size):
    
    turtle.fillcolor("red")    
    turtle.setheading(90)
    turtle.begin_fill()
    turtle.forward(0.2*size)
    turtle.left(120)
    turtle.forward(0.6*size) 
    turtle.right(120)
    turtle.forward(0.3*size) 
    turtle.right(40)
    turtle.forward(0.8*size)
    turtle.end_fill()    
    
    turtle.setheading(0)
    
    turtle.begin_fill()

    turtle.penup()
    turtle.forward(size)
    turtle.pendown()
    turtle.begin_fill()
    turtle.right(50)
    turtle.forward(0.8*size) 
    turtle.right(40)
    turtle.forward(0.3*size) 
    turtle.right(120)
    turtle.forward(0.6*size)
    turtle.end_fill()

def dope_flowers(x, y):
    turtle.pendown()
    turtle.begin_fill()
    move(turtle, 100)
    flower(turtle, 10, 20.0, 60.0)
    turtle.end_fill()
    turtle.penup()

def drawPoint(x, y): 
    turtle.penup() # Pull the pen up
    turtle.goto(x, y)
    turtle.pendown() # Pull the pen down
    turtle.begin_fill() # Begin to fill color in a shape
    turtle.circle(3) 
    turtle.end_fill() # Fill the shape

def pythagoras_tree(size, n):
    turtle.begin_fill()
    for _ in range(4):
        turtle.forward(size)
        turtle.left(90)

    turtle.end_fill()
    if n > 0:
        roof = .5 * math.sqrt(2) * size

        turtle.left(90)
        turtle.forward(size)
        turtle.right(45)

        pythagoras_tree(roof, n - 1)

        turtle.forward(roof)
        turtle.right(90)

        pythagoras_tree(roof, n - 1)

        turtle.left(90)
        turtle.backward(roof)
        turtle.left(45)
        turtle.backward(size)
        turtle.right(90)

def rand_circle():
    color = choice(colors)
    turtle.color(color, color)
    radius = randint(10, 100)
    turtle.begin_fill()
    turtle.circle(radius)
    turtle.end_fill()

def drawmountain(x,y,color):
	t.up
	t.goto(x,y)
	t.down
	t.color(color)
	t.begin_fill()
	t.backward(200)
	t.right(120)
	t.backward(200)
	t.right(120)
	t.backward(200)
	t.right(120)
	t.end_fill()
	t.up

	t.goto(x-75,y+125)
	t.down
	t.color("White")
	t.begin_fill()
	t.backward(50)
	t.right(120)
	t.backward(50)
	t.right(120)
	t.backward(50)
	t.right(120)
	t.end_fill()
	t.up

def cross( x, y, scale, color ):
	'''draws a cross given location, scale, and color'''
	goto( x, y )
	turtle.begin_fill()
	turtle.color(color)
	turtle.forward(50*scale)
	turtle.right(90)
	turtle.forward(50*scale)
	turtle.left(90)
	turtle.forward(15*scale)
	turtle.left(90)
	turtle.forward(50*scale)
	turtle.right(90)
	turtle.forward(50*scale)
	turtle.left(90)
	turtle.forward(15*scale)
	turtle.left(90)
	turtle.forward(50*scale)
	turtle.right(90)
	turtle.forward(50*scale)
	turtle.left(90)
	turtle.forward(15*scale)
	turtle.left(90)
	turtle.forward(50*scale)
	turtle.right(90)
	turtle.forward(50*scale)
	turtle.left(90)
	turtle.forward(15*scale)
	turtle.end_fill()