Hatchery

__init__.py

Content

import display
import time
import random
import ugfx
import samd

# Screen width and height
(W, H) = display.size()

def action_exit(pushed):
    if (pushed):
        # go back to the home screen
        system.home()

def bounce(axis):
    if axis == 'x':
        samd.buzzer(10, 1)
    elif axis == 'y':
        samd.buzzer(1, 1)

def main():
    ugfx.input_init()
    ugfx.input_attach(ugfx.BTN_B, action_exit)
    ugfx.input_attach(ugfx.BTN_START, action_exit)

r = 5 # radius of the ball
    r2 = r/2 # half of the radius
    # Random starting position
    x = random.randint(r,W-r)
    y = random.randint(r,H-r)
    # Speed
    vx = 2
    vy = 2

while True:
        if x + vx - r2 < 0 or x + vx + r2 > W:
            vx *= -1
            bounce('x')

if y + vy - r2 < 0 or y + vy + r2 > H:
            vy *= -1
            bounce('y')

x = x + vx
        y = y + vy

display.drawFill(0x000000)
        display.drawCircle(x, y, r, 0, 360, True, 0xFFFFFF)
        display.flush()

sys.stdin.read(1)
    action_exit(True)

main()