Session 1: Cheatsheet

Opening a window

import pgzrun

WIDTH = 600
HEIGHT = 400

def draw():
    screen.fill((20, 20, 50))

pgzrun.go()

Run: green Run button in Thonny

Making an Actor (sprite)

basket = Actor('basket')   # looks for images/basket.png
basket.pos = (300, 380)
basket.draw()

Drawing in draw()

def draw():
    basket.draw()
    star.draw()

Moving in update()

def update():
    star.y = star.y + 3

Keyboard

if keyboard.left:
    basket.x = basket.x - 5
if keyboard.right:
    basket.x = basket.x + 5

Collision

if star.colliderect(basket):
    # hit!

Drawing text

screen.draw.text("Score: 0", topleft=(10, 10), color="white")

Random number

import random
star.x = random.randint(20, 580)