def creator(file):
make_nparray(file, draw1, 600, 400, channels=1)
from generativepy.nparray import make_nparray
from generativepy.utils import temp_file
'''
make_nparray example
'''
def paint(array, pixel_width, pixel_height, frame_no, frame_count):
array[10:150, 60:300] = [255, 128, 0]
make_nparray(temp_file("simple-make-nparray.png"), paint, 500, 300)
# Copyright (C) 2021, Martin McBride
# License: MIT
from generativepy.bitmap import Scaler
from generativepy.nparray import make_nparray
MAX_COUNT = 256
def calc(c1, c2):
x = y = 0
for i in range(MAX_COUNT):
x, y = x * x - y * y + c1, 2 * x * y + c2
if x * x + y * y > 4:
return i + 1
return 0
def paint(image, pixel_width, pixel_height, frame_no, frame_count):
scaler = Scaler(pixel_width, pixel_height, width=3, startx=-2, starty=-1.5)
for px in range(pixel_width):
for py in range(pixel_height):
x, y = scaler.device_to_user(px, py)
count = calc(x, y)
if count == 0:
image[py, px] = 0
make_nparray('mandelbrot-bw.png', paint, 600, 600, channels=1)
# Author: Martin McBride
# Created: 2021-12-13
# Copyright (C) 2021, Martin McBride
# License: MIT
from generativepy.bitmap import Scaler
from generativepy.nparray import make_nparray
MAX_COUNT = 100000
A = 0.9
B = -0.6013
C = 2.0
D = 0.5
def paint(image, pixel_width, pixel_height, frame_no, frame_count):
scaler = Scaler(pixel_width, pixel_height, width=3, startx=-2, starty=-2)
x = 0.01
y = 0.01
for i in range(MAX_COUNT):
x, y = x * x - y * y + A * x + B * y, 2 * x * y + C * x + D * y
px, py = scaler.user_to_device(x, y)
image[py, px] = 0
make_nparray('tinkerbell-bw.png', paint, 600, 600, channels=1)
scaler = Scaler(pixel_width,
pixel_height,
width=3,
startx=-1.5,
starty=-1.5)
x = 0.01
y = 0.01
for i in range(MAX_COUNT):
x, y = 1 - A * x * x + y, B * x
px, py = scaler.user_to_device(x, y)
if 0 <= px < pixel_width and 0 <= py < pixel_height:
image[py, px] = 0
make_nparray('henon.png', paint, 600, 600, channels=1)
# Zoom in on the right hand loop
def paint2(image, pixel_width, pixel_height, frame_no, frame_count):
scaler = Scaler(pixel_width,
pixel_height,
width=.5,
startx=0.8,
starty=-0.25)
x = 0.01
y = 0.01
for i in range(MAX_COUNT):
x, y = 1 - A * x * x + y, B * x
px, py = scaler.user_to_device(x, y)
# Author: Martin McBride
# Created: 2021-12-13
# Copyright (C) 2021, Martin McBride
# License: MIT
from generativepy.bitmap import Scaler
from generativepy.nparray import make_nparray
MAX_COUNT = 1000000
def paint(image, pixel_width, pixel_height, frame_no, frame_count):
scaler = Scaler(pixel_width,
pixel_height,
width=12,
startx=-3.5,
starty=-3.5)
x = -0.1
y = 0.0
for i in range(MAX_COUNT):
x, y = 1 - y + abs(x), x
px, py = scaler.user_to_device(x, y)
image[py, px] = 0
make_nparray('gingerbread.png', paint, 600, 600, channels=1)