sketch-a-day/2020/sketch_200103a/sketch_200103a.pyde

82 wiersze
2.1 KiB
Python

from random import shuffle
from collections import namedtuple
Ponto = namedtuple('Ponto', 'x y size, color')
pontos_ini, pontos_fim = [], []
a = 0 # animation control
def setup():
global videoExport
size(400, 400)
colorMode(HSB)
ini = createGraphics(500, 500)
ini.beginDraw()
ini.textSize(60)
ini.text("Processing", 10, 150)
ini.text("Community", 10, 250)
ini.text("Day 2020", 10, 350)
ini.endDraw()
pontos_ini[:] = set_points(ini, bg_points=False, shuffle_points=True)
print(len(pontos_ini))
fim = createGraphics(500, 500)
fim.beginDraw()
fim.textSize(70)
fim.text(u"São Paulo", 10, 150)
fim.text("#PCD20SP", 10, 250)
fim.endDraw()
pontos_fim[:] = set_points(fim, bg_points=False, shuffle_points=True)
print(len(pontos_fim))
background(0)
def draw():
global a
background(0)
t = map(a, 0, 300, -1, 2)
for p0, p1 in zip(pontos_ini, pontos_fim):
p_x, p_y = lerp(p0.x, p1.x, t), lerp(p0.y, p1.y, t)
p_size = lerp(p0.size, p1.size, t)
p_color = lerpColor(p0.color, p1.color, t)
stroke(p_color, 200)
# stroke(p0.color, 200)
noFill()
square(p_x, p_y, p_size)
if a < 100:
a = lerp(a, 100.1, .05)
elif a < 200:
a = lerp(a, 200.1, .04)
elif a < 300:
a = lerp(a, 300.1, .8)
else:
a += 05
def set_points(p_graphics, bg_points=True, shuffle_points=True):
pontos = []
step = 4
i = 0
for y in range(0, width, step):
for x in range(0, width, step):
bc = p_graphics.get(x, y)
if bc != 0:
i = (i + 1) % 256
c = color(i, 255, 255)
pontos.append(Ponto(x, y, random(3, 8), c))
else:
if bg_points:
c = color(128, 100)
pontos.append(Ponto(x, y, random(2, 7), c))
if shuffle_points:
shuffle(pontos)
return pontos
def keyPressed():
if key == 's':
saveFrame("s####.png")