vectorio_snowperson.py

import time

import board
import vectorio
import displayio
from rainbowio import colorwheel

scarf_palette = displayio.Palette(1)
scarf_palette[0] = colorwheel(128)

def draw_circle(x, y, r, color):
    palette = displayio.Palette(1)
    palette[0] = color

    _circle = vectorio.Circle(pixel_shader=palette,
                              radius=r,
                              x=x,
                              y=y, )
    main_group.append(_circle)
    return _circle


def draw_polygon(x, y, points, color, palette=None):
    if not palette:
        _palette = displayio.Palette(1)
        _palette[0] = color
    else:
        _palette = palette

    _polygon = vectorio.Polygon(
        pixel_shader=_palette,
        points=points, x=x, y=y)

    main_group.append(_polygon)
    return _polygon


def draw_rectangle(x, y, w, h, color, palette = None):
    if not palette:
        _palette = displayio.Palette(1)
        _palette[0] = color
    else:
        _palette = palette

    rectangle = vectorio.Rectangle(
        pixel_shader=_palette,
        width=w, height=h,
        x=x, y=y)

    main_group.append(rectangle)
    return rectangle




display = board.DISPLAY
display.rotation = 90

main_group = displayio.Group()

HEAD_R = 60
head = draw_circle(display.width // 2,
                   HEAD_R + 10, HEAD_R, 0xffffff)

MIDDLE_R = 75
middle = draw_circle(display.width // 2,
                     HEAD_R + MIDDLE_R + 10, MIDDLE_R, 0xffffff)

BOTTOM_R = 110
bottom = draw_circle(display.width // 2,
                     HEAD_R + MIDDLE_R + BOTTOM_R + 10,
                     BOTTOM_R, 0xffffff)

EYE_R = 8
left_eye = draw_circle(display.width // 2 - 20,
                       head.y - 30,
                       EYE_R, 0x00000)

right_eye = draw_circle(display.width // 2 + 20,
                        head.y - 30,
                        EYE_R, 0x00000)

nose = draw_polygon(
    display.width // 2,
    head.y - 14,
    [(0, 0), (0, 20), (70, 10)],
    0xff6600
)

nose_circle = draw_circle(
    display.width // 2,
    head.y - 4,
    10,
    0xff6600
)

buttons = []
BUTTON_R = 11
for i in range(4):
    buttons.append(draw_circle(display.width // 2,
                               head.y + 46 + (i * 48),
                               BUTTON_R, 0x00000))

SCARF_EXTRA = 8
SCARF_WIDTH = HEAD_R * 2 + SCARF_EXTRA
scarf_neck = draw_rectangle(
    display.width // 2 - SCARF_WIDTH // 2,
    head.y + 15,
    SCARF_WIDTH,
    20,
    0xff0000,
    palette=scarf_palette
)

scarf_tail = draw_polygon(
    display.width // 2 - SCARF_WIDTH + 26,
    head.y + 25,
    [(40, 0), (50, 8), (25, 50), (0, 56), (4, 42)],
    0xff0000,
    palette=scarf_palette
)

display.show(main_group)

while True:
    for i in range(255):
        scarf_palette[0] = colorwheel(i)
        time.sleep(0.005)