SImple Breakout Demo

# Built by jgrumbre1 using Christian Thompson's pong and missile command games
# Updated by Christian Thompson (@TokyoEdTech) to simplify building levels and update scoring

import turtle
import os
import math
import random

wn = turtle.Screen()
wn.title("Brick Break")
wn.bgcolor("black")
wn.setup(width=800, height=700)
wn.tracer(0)

# Set score to zero
score = 0

#Draw score
score_pen = turtle.Turtle()
score_pen.speed(0)
score_pen.color("white")
score_pen.penup()
score_pen.goto(-380, 330)
scorestring = "Score: %s" %score
score_pen.write(scorestring, False, align="left", font=("Arial", 14,"normal"))
score_pen.hideturtle()

# paddle
paddle= turtle.Turtle()
paddle.speed(0)
paddle.shape("square")
paddle.color("red")
paddle.shapesize(stretch_wid=1, stretch_len=5)
paddle.penup()
paddle.goto(0, -320)

# ball
ball= turtle.Turtle()
ball.speed(0)
ball.shape("circle")
ball.color("blue")
ball.shapesize(1, 1)
ball.penup()
ball.goto(0, -300)
ball.dx = .75
ball.dy = 2
ball.speed = 15

# Levels
# b = brown, B = blue, Y = yellow, R = red, G = green, g = grey

level_one = ["bbbbbbbbbb",
"BBBBBBBBBB",
"YYYRYYRYYY",
"GGGGGGGGGG",
"gggggggggg"]

# Start at top left
brick_x = -340
brick_y = 220

bricks = []

for row in range(len(level_one)):
    print(len(level_one))
    for column in range(len(level_one[row])):
        print(row, column)
        # Select Color
        # Set default color
        color = "orange"
        # Change color
        if level_one[row][column] == "b":
            color = "brown"
        elif level_one[row][column] == "B":
            color = "blue"
        elif level_one[row][column] == "R":
            color = "red"
        elif level_one[row][column] == "Y":
            color = "yellow"
        elif level_one[row][column] == "G":
            color = "green"
        elif level_one[row][column] == "g":
            color = "grey"

        # Create brick
        brick = turtle.Turtle()
        brick.color(color)
        brick.shape("square")
        brick.shapesize(stretch_wid=1, stretch_len=3)
        brick.penup()
        brick.setposition(brick_x + column * 75, brick_y - row * 40)

        # Add brick to bricks list
        bricks.append(brick)

# Function Move lt & rt to edge of screen
def paddle_rt():
    x = paddle.xcor()
    x += 20
    if x > 340:
        x = 340
    paddle.setx(x)
def paddle_lt():
    x = paddle.xcor()
    x -= 20
    if x < -340:
        x = -340
    paddle.setx(x)

def isCollision(t1, t2):
    distance = math.sqrt(math.pow(t1.xcor()-t2.xcor(),2))+math.pow(t1.ycor()-t2.ycor(),2)
    if distance < 15:
        return True
    else:
        return False

# binding keyS
wn.listen()
wn.onkeypress(paddle_rt, "Right")
wn.onkeypress(paddle_lt, "Left")

while  True:

    wn.update()
 # move ball
    ball.setx(ball.xcor() + ball.dx)
    ball.sety(ball.ycor() + ball.dy)

# Border checking
    if ball.ycor( ) > 340:
        ball.sety(340)
        ball.dy *= -1

    if ball.xcor( ) > 390:
        ball.setx(390)
        ball.dx *= -1

    if ball.xcor( ) < -390:
        ball.setx(-390)
        ball.dx *= -1

    if ball.ycor( ) < -340:
        ball.goto(0, -290)
        ball.dx = -.75
        ball.dy = 2

 # Paddle and ball collision
    if (ball.ycor() > - 400 and ball.ycor() < -300) and (ball.xcor() <paddle.xcor() + 40 and ball.xcor() > paddle.xcor() - 50):
        ball.sety(-300)
        ball.dy *= -1

   # Check collision between ball and bricks
    for brick in bricks:
        if isCollision(ball, brick):
            brick.hideturtle()
            brick.setposition(-340, -400)
            ball.dy *= -1
            score += 10
            scorestring = "Score: %s" %score
            score_pen.clear()
            score_pen.write(scorestring, False, align="left", font=("Arial", 14,"normal"))