"""2023-08-13"""
from helpers import HEIGHT
from helpers import save_image
from helpers import WIDTH
from pathlib import Path
import numpy as np
import opensimplex
import py5
IMG_NAME = Path(__file__).name.replace(".py", "")
FUNDO = py5.color(248, 241, 219)
noise_scale = 0.005
time_speed = 0.005
noise_generator = opensimplex.seed(3568)
color_palette = [
(30, 49, 86),
(164, 2, 222),
(118, 27, 186),
(76, 42, 154),
(172, 135, 223),
(104, 89, 187),
]
def map_value(value, start1, stop1, start2, stop2):
proportion = (value - start1) / (stop1 - start1)
return start2 + proportion * (stop2 - start2)
def settings():
py5.size(WIDTH, HEIGHT, py5.P2D)
def setup():
py5.background(FUNDO)
py5.color_mode(py5.RGB, 255)
py5.no_stroke()
desenha()
def desenha():
time = py5.millis() * time_speed
X = np.arange(0, WIDTH)
Y = np.arange(0, HEIGHT)
XN = np.array([x * noise_scale for x in X])
YN = np.array([y * noise_scale for y in Y])
noise_val = opensimplex.noise3array(
XN,
YN,
np.array(
[
time,
]
),
)
for idx, x in enumerate(X):
for idy, y in enumerate(Y):
if idx % 2 or idy % 2:
continue
noise = noise_val[0][idy][idx]
color_idx = int(map_value(noise, -1, 1, 0, len(color_palette)))
c = color_palette[color_idx]
py5.no_stroke()
py5.fill(*c, 80)
py5.ellipse(x, y, 8, 12)
py5.stroke(*c, 100)
py5.stroke_weight(2)
py5.no_fill()
py5.ellipse(y, x, 14, 6)
def key_pressed():
key = py5.key
if key == " ":
save_and_close()
def save_and_close():
py5.no_loop()
save_image(IMG_NAME, "png")
py5.exit_sketch()
py5.run_sketch()