# Turtle_Shapes.py
#
# Description: Demo turtle shapes and colours.
#
# Author: Anne Lavergne
# Last Modified Date: Oct. 2023

import turtle as tt

# ideas for functions:
def rectangle(aSide1, aSide2, aLineColour, aFilledColour = "none", anAngle = 90):
    """Draws a rectangle."""
    
    tt.pencolor(aLineColour)
    if  aFilledColour != "none" :
        tt.fillcolor(aFilledColour)
        tt.begin_fill()
        
    for i in range(2):
        tt.forward(aSide1)
        tt.right(anAngle)
        tt.forward(aSide2)
        tt.right(anAngle)
        
    if aFilledColour != "none" :
        tt.end_fill()
        
    return

    
def square(aSide, aColour, anAngle = 90):
    """Draws a square."""

    tt.pencolor(aColour)
    tt.pensize()
    
    for i in range(4):
        tt.forward(aSide)
        tt.left(anAngle)
        
    return


def moveToNextShape(aTurtle, anAngle, aLength):
    """Gets aTurtle ready to draw the next shape."""
    
    aTurtle.penup()
    aTurtle.left(anAngle)
    aTurtle.forward(aLength)
    aTurtle.pendown()
    
    return


#***Main part of my program

# pendown + circles
tt.circle(20)        # draw a circle
tt.pencolor("red")
tt.circle(120, 180)  # draw a semicircle
tt.pencolor("orange")
tt.circle(50)
tt.circle(120, 90)
tt.right(90)
tt.pencolor("blue")
tt.circle(80)

# penup + move forward
moveToNextShape(tt, 90, 200)

# green rectangle
tt.pensize(4)
rectangle(100, 50, "green")

# penup + move to next shape
moveToNextShape(tt, 90, 100)
tt.right(90)
    
# black square
square(100, "black")

# penup + move to next shape
moveToNextShape(tt, 90, 150)

# yellow rectangle - filled with violet
rectangle(50, 100, "yellow", "hot pink")

# Last bit!
tt.penup()
tt.backward(300)
tt.right(90)
tt.width(5)
tt.colormode(255)
red = 135
green = 240
blue = 15
col = (red,green,blue)
tt.pencolor(col)
tt.speed(10)
tt.pendown()
tt.circle(200, 180)  # draw a semicircle

# finale
tt.penup()
tt.home()
tt.exitonclick()