__main__.py

"""2024-05-18
Grade e círculos 11
Inspirado por um sketch to Alexandre Villares
png
Sketch,py5,CreativeCoding,abav
"""

from random import choice

import numpy as np
import py5

from utils import helpers

sketch = helpers.info_for_sketch(__file__, __doc__)

PATH = helpers.tmp_path()

FRAMES = []

LIMITE_FRAMES = 160

GRADE = []
QUADRADO = 80

CORES = [
    (0, 0, 0),
    (127, 143, 110),
    (179, 176, 133),
    (200, 200, 200),
    (212, 198, 170),
    (218, 211, 189),
    (90, 119, 168),
    (187, 137, 30),
    (30, 30, 30),
    (40, 50, 60),
]

POS = [
    (0, 0),
    (0, QUADRADO),
    (QUADRADO / 2, QUADRADO / 2),
    (QUADRADO / 2, 0),
    (0, QUADRADO / 2),
    (QUADRADO / 2, QUADRADO),
    (QUADRADO, QUADRADO / 2),
    (QUADRADO, QUADRADO),
    (QUADRADO, 0),
]


def faixa(img_array: np.array, x0: int, x1: int):
    resultado = img_array[0 : py5.height, x0:x1]
    return resultado


def setup():
    global PG, pixels_por_frame
    py5.size(helpers.LARGURA, helpers.ALTURA, py5.P3D)
    pixels_por_frame = py5.width / LIMITE_FRAMES
    for idy, y in enumerate(range(-300, 300, 100), 1):
        for idx, x in enumerate(range(-300, 300, 100), 1):
            pg = py5.create_graphics(QUADRADO, QUADRADO)
            fundo = (52 + idx, 140 + idx + idy, 89 + idy)
            num_circulos = py5.random_int(3, 5)
            circulos = []
            for _ in range(num_circulos):
                pos = choice(POS)
                tamanho = py5.random_int(2, 80)
                passo = py5.TWO_PI / py5.random_int(2, 40)
                cor = choice(CORES)
                circulos.append((pos, tamanho, cor))
            GRADE.append((pg, (x, y), (idx, idy), fundo, passo, circulos))


def draw():
    py5.background(52, 140, 89)
    f = py5.frame_count
    i = 0
    with py5.push_matrix():
        py5.translate(py5.width / 2, py5.height / 2)
        rotacao = py5.sin(py5.radians(f * 2) + i * 2)
        py5.rotate(rotacao)
        for pg, (x, y), (idx, idy), fundo, passo, circulos in GRADE:
            pg.begin_draw()
            pg.background(*fundo)
            for circulo in circulos:
                (xc, yc), d, cor = circulo
                s = py5.cos(py5.radians(f * 2) + i * passo)
                d += 80 * s + idx
                pg.fill(*cor)
                pg.circle(xc, yc, d)
            pg.end_draw()
            py5.image(pg, x, y)
        i += 1
    helpers.write_legend(sketch=sketch, frame="#000")
    if f % 2:
        FRAMES.append(helpers.save_frame(PATH, sketch.day, f))
    # Cada frame vai prover 10 pixels
    if len(FRAMES) == LIMITE_FRAMES:
        imagens = [helpers.image_as_array(frame) for frame in FRAMES]
        data = []
        for idx, frame_array in enumerate(imagens):
            x0 = int(idx * pixels_por_frame)
            x1 = int(x0 + pixels_por_frame)
            tmp = faixa(frame_array, x0, x1)
            data.append(tmp)
        new_image = np.concatenate(data, axis=1)
        imagem = py5.create_image_from_numpy(new_image, bands="RGB")
        img_path = sketch.path / f"{sketch.day}.{sketch.format}"
        imagem.save(img_path)
        save_and_close()


def key_pressed():
    key = py5.key
    if key == " ":
        save_and_close()


def save_and_close():
    py5.no_loop()
    py5.exit_sketch()


if __name__ == "__main__":
    py5.run_sketch()