Python Program to Implement Turtle Library Assignment Solution

Instructions

Objective

We understand that starting with a new programming concept can be challenging, but don't worry, we're here to provide you assistance with python assignment you need. With our step-by-step guidance and examples, you'll be able to write a program that implements the Turtle library in Python in no time. Whether you're a beginner or just looking to expand your coding skills, we've got you covered. So, let's dive in and create some exciting graphical wonders with Python.

Requirements and Specifications

Source Code

import turtle as turtle from math import pi, cos, sin import random # DEFINE HERE THE FLOWER COLORS PETALS_COLOR = 'orange' STIGMA_COLOR = 'brown' SEEDS_COLOR = 'yellow' STEM_COLOR = 'green' def stem(pen): """ This function draws the flower stem :param pen: Turtle pen :return: """ pen.penup() pen.goto(0,0) pen.color(STEM_COLOR) pen.fillcolor(STEM_COLOR) pen.begin_fill() # Now draw pen.penup() pen.goto(-15,0) pen.right(90) pen.pendown() pen.begin_fill() pen.forward(400) pen.left(90) pen.forward(30) pen.left(90) pen.forward(400) pen.left(90) pen.forward(30) pen.end_fill() pen.penup() # Define the flower equation def flower(n_petals: int, pen) -> None: """ This function draws a flower using a Polar equation. According to [1], the flowers can be draw using a Mathematical Formula in polar coordinates [1] https://www.youtube.com/watch?v=Kq9nR_vZNJk :param n_petals: Number of petals :param pen: Turtle pen :return: """ # Create angle theta theta = [] theta0 = 0 for i in range(201): theta.append(theta0) theta0 += 2*pi/200.0 # Now, draw pen.begin_fill() pen.fillcolor(PETALS_COLOR) pen.pencolor(PETALS_COLOR) pen.pendown() for th in theta: r = 250*cos(n_petals//2 *th) x = r*cos(th) y = r*sin(th) pen.setpos(x,y) pen.end_fill() pen.penup() def stigma(pen): """ This function draws the flower's stigma at its center :param pen: Turtle pen :return: """ pen.penup() pen.setpos(0,0) pen.pencolor(STIGMA_COLOR) pen.pendown() # Radius of stigma R = 50 theta = [] theta0 = 0 for i in range(201): theta.append(theta0) theta0 += 2 * pi / 200.0 pen.begin_fill() pen.fillcolor(STIGMA_COLOR) for th in theta: x = R*cos(th) y = R*sin(th) pen.goto(x,y) pen.end_fill() def seeds(pen, n_seeds: int): """ This function draw the flower seeds :param pen: Turtle pen :param n_seeds: Number of seeds :return: """ pen.pencolor(SEEDS_COLOR) R = 50 # the radius of the stigma theta = [] theta0 = 0 for i in range(201): theta.append(theta0) theta0 += 2 * pi / 200.0 # Now, select random positions inside the stigma for _ in range(n_seeds): # Pick a random size for the seed between 5 and 10 r = random.uniform(3,10) #r = np.random.uniform(3, 10) # Pick a random position inside the stigma x = random.uniform(-R+r,R-r) y = random.uniform(-R+r,R-r) pen.penup() pen.goto(x,y) pen.pendown() # Now, draw seed pen.begin_fill() pen.fillcolor(SEEDS_COLOR) for th in theta: xx = x+r*cos(th) yy = y+r*sin(th) pen.goto(xx,yy) pen.end_fill() pen.penup() if __name__ == '__main__': # Create turtle object wn = turtle.Screen() wn.screensize(500,500) wn.bgcolor("white") wn.title("Flower") pen = turtle.Turtle() pen.speed('fastest') # Put pen at center of screen pen.penup() pen.setpos(0,0) pen.pendown() # Draw stem(pen) flower(8, pen) stigma(pen) seeds(pen, 4) wn.exitonclick()