Breakout Game

from ursina import *

app = Ursina()

dx = 0.05
dy = 0.05
score = 0
dead = False

def update():
    global dx, dy, score, dead

    if not(dead):
        if held_keys['right arrow']:board.x += 0.07
        if held_keys['left arrow']: board.x -= 0.07

        ball.x += dx
        ball.y += dy

        if ball.x >= 7 or ball.x <= -7: dx *= -1
        if ball.y <= -4: dead = True

        hit_info = ball.intersects()
        if hit_info.hit:
            dy *= -1

            if hit_info.entity in boxes:
                destroy(hit_info.entity)
                score += 1

        print_on_screen("SCORE: "+str(score), position=(-0.8,0.5))

    else:
        destroy(board)
        destroy(ball)
        for i in boxes:
            destroy(i)
            print_on_screen("GAME OVER!", position=(-0.05,0.2))
            print_on_screen("FINAL SCORE: "+str(score), position=(-0.07,0.15))

box_1 = Entity(model="cube", color=color.cyan, texture="brick", scale=(1,0.5,0.5), position=(-10,4,0), collider="box")
boxes = []
for i in range(6,-7,-1):
    for j in range(1,7):
        boxes.append(duplicate(box_1, x=i, y=j/2 + 0.5, color=color.random_color()))

board = Entity(model="cube", color=color.orange, texture="brick", scale=(4,0.5,0.5), position=(0,-4,0), collider="box")
ball = Entity(model="sphere", color=color.orange, scale=0.5, position=(0,-2,0), collider="box")
app.run()