#numpy feels a bit like another, harder, language to learn beyond #python :(
A first attempt at a “sand simulator” but it seems too hard…
#py5 #Processing #creativeCoding
import numpy as np
import py5
def setup():
global grid
py5.size(500, 500)
grid = np.zeros((py5.width, py5.height), dtype=bool)
def draw():
py5.set_np_pixels(grid * 255, 'L')
update_grid()
def update_grid():
for i in reversed(range(grid.shape[0]-1)):
row, next_row = grid[i], grid[i+1]
sand = row == 1
next_row_empty = next_row == 0
falling = sand & next_row_empty
row[falling] = 0
next_row[falling] = 1
def mouse_dragged():
x = py5.mouse_x % py5.width
y = py5.mouse_y % py5.height
if py5.is_key_pressed:
grid[y-2:y+3,
x-2:x+3] = 1
else:
<a href="https://twtxt.net/search?tag=grid">#grid</a>[y, x] = 1
grid[y][x] = 1
py5.run_sketch()