Merge pull request #184 from bharat13soni/feature2

Added turtle-crossing game written in python

Author: Techiral

T/turtle-crossing/car_manager.py

@@ -0,0 +1,30 @@
+import random
+from turtle import Turtle
+
+COLORS = ["red", "orange", "yellow", "green", "blue", "purple"]
+STARTING_MOVE_DISTANCE = 5
+MOVE_INCREMENT = 10
+
+
+class CarManager:
+    def __init__(self):
+        self.all_cars = []
+        self.car_speed = STARTING_MOVE_DISTANCE
+
+    def create_car(self):
+        random_chance = random.randint(1, 6)
+        if random_chance == 1:
+            new_car = Turtle("square")
+            new_car.shapesize(stretch_wid=1, stretch_len=2)
+            new_car.penup()
+            new_car.color(random.choice(COLORS))
+            random_y = random.randint(-250, 250)
+            new_car.goto(300, random_y)
+            self.all_cars.append(new_car)
+
+    def move_cars(self):
+        for car in self.all_cars:
+            car.backward(self.car_speed)
+
+    def level_up(self):
+        self.car_speed += MOVE_INCREMENT

T/turtle-crossing/main.py

@@ -0,0 +1,37 @@
+import time
+from turtle import Screen
+from player import Player
+from car_manager import CarManager
+from scoreboard import Scoreboard
+
+screen = Screen()
+screen.setup(width=600, height=600)
+screen.tracer(0)
+
+player = Player()
+car_manager = CarManager()
+score_board = Scoreboard()
+
+screen.listen()
+screen.onkey(player.go_up, "Up")
+
+game_is_on = True
+while game_is_on:
+    time.sleep(0.1)
+    screen.update()
+    car_manager.create_car()
+    car_manager.move_cars()
+
+    # Detect collision with car
+    for car in car_manager.all_cars:
+        if car.distance(player) < 20:
+            game_is_on = False
+            score_board.game_over()
+
+    # Detect successful crossing
+    if player.is_at_finish_line():
+        player.go_to_start()
+        car_manager.level_up()
+        score_board.increase_level()
+
+screen.exitonclick()

T/turtle-crossing/player.py

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+from turtle import Turtle
+
+STARTING_POSITION = (0, -280)
+MOVE_DISTANCE = 10
+FINISH_LINE_Y = 280
+
+
+class Player(Turtle):
+    def __init__(self):
+        super().__init__()
+        self.shape("turtle")
+        self.penup()
+        self.go_to_start()
+        self.setheading(90)
+
+    def go_to_start(self):
+        self.goto(STARTING_POSITION)
+
+    def go_up(self):
+        self.forward(MOVE_DISTANCE)
+
+    def is_at_finish_line(self):
+        if self.ycor() > FINISH_LINE_Y:
+            return True
+        else:
+            return False

T/turtle-crossing/scoreboard.py

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+from turtle import Turtle
+
+FONT = ("Courier", 24, "normal")
+
+
+class Scoreboard(Turtle):
+    def __init__(self):
+        super().__init__()
+        self.level = 1
+        self.hideturtle()
+        self.penup()
+        self.goto(-280, 250)
+        self.update_score_board()
+
+    def update_score_board(self):
+        self.clear()
+        self.write(f"Level : {self.level}", align="left", font=FONT)
+
+    def increase_level(self):
+        self.level += 1
+        self.update_score_board()
+
+    def game_over(self):
+        self.goto(0, 0)
+        self.write("GAME OVER", align="center", font=FONT)