sketch-a-day/2019/sketch_190429b/sketch_190429b.pyde

104 wiersze
2.3 KiB
Python

# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
# Quaternary combinations
from __future__ import division
from arcs import var_bar
order = 16 # for a grid with 256 positions
alt = False
def setup():
size(720, 720)
noFill() # fill(0)
textAlign(CENTER, CENTER)
strokeWeight(2)
smooth(4)
colorMode(HSB)
# blendMode(MULTIPLY)
def draw():
background(240)
siz = width / order
if alt:
grid(siz, draw_quatB)
else:
grid(siz, draw_quatA)
def grid(siz, func):
i = 0
for x in range(order):
for y in range(order):
with pushMatrix():
translate(siz / 2 + x * siz,
siz / 2 + y * siz)
#text(quat(i, pad=4), 0, 0)
func(quat(i))
i += 1
def draw_quatA(quats):
siz = 8
pos = [(-siz, -siz),
(+siz, -siz),
(-siz, +siz),
(+siz, +siz)]
noFill()
for i, qd in enumerate(quats):
q = (int(qd) + i) % 4
stroke(63 + i * 64, 255, 128)
var_bar(pos[i][0], pos[i][1],
pos[q][0], pos[q][1],
0, 7)
def draw_quatB(quats):
siz = 8
pos = [(-siz, -siz),
(+siz, -siz),
(-siz, +siz),
(+siz, +siz)]
noFill()
for i, qd in enumerate(quats):
q = (int(qd) + i) % 4
stroke(63 + i * 64, 255, 128)
var_bar(pos[i][0], pos[i][1],
pos[q][0], pos[q][1],
7, 0)
def to_base(num, base):
# inverse of int(str, base)
BS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
result = ""
while num:
result += BS[num % base]
num //= base
return result[::-1] or "0"
def quat(n, pad=4):
s = to_base(n, 4)
while len(s) < pad:
s = "0" + s
return s[::-1]
def keyPressed():
global alt, p
if key == "s":
saveFrame("###.png")
if key == "a":
alt = not alt
def settings():
from os import path
global SKETCH_NAME
SKETCH_NAME = path.basename(sketchPath())
OUTPUT = ".png"
println(
"""
![{0}](2019/{0}/{0}{1})
[{0}](https://github.com/villares/sketch-a-day/tree/master/2019/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
""".format(SKETCH_NAME, OUTPUT)
)