mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-11-17 16:41:06 +01:00
58 lines
1.1 KiB
Python
58 lines
1.1 KiB
Python
import png
|
|
w, h = 64, 256;
|
|
s = [[int(0) for c in range(w)] for c in range(h)]
|
|
|
|
def line(y1, x1, y2, x2, v):
|
|
signx = 1
|
|
signy = 1
|
|
dx = x2 - x1
|
|
dy = y2 - y1
|
|
if dx < 0:
|
|
dx = - dx
|
|
signx = -1
|
|
if dy < 0:
|
|
dy = - dy
|
|
signy = -1
|
|
offsx = dx/2
|
|
offsy = dy/2
|
|
dir1 = 0
|
|
if dx >= dy:
|
|
dir1 = 1
|
|
for i in range(max(dx, dy)+1):
|
|
if v==2:
|
|
s[x1][y1]=1-s[x1][y1]
|
|
else:
|
|
s[x1][y1] = v
|
|
if dir1 == 1:
|
|
x1 += signx
|
|
offsy += dy
|
|
if offsy >= dx:
|
|
y1 += signy
|
|
offsy -= dx
|
|
else:
|
|
y1 += signy
|
|
offsx += dx
|
|
if offsx >= dy:
|
|
x1 += signx
|
|
offsx -= dy
|
|
|
|
# R, G, B, Alpha (0xFF = opaque):
|
|
palette=[(0x00,0x00,0xaf,0xa0), (0x7f,0x0f,0xaf,0xb8)]
|
|
|
|
for j in range(16):
|
|
i = j * 4
|
|
line(i, 0, 63-i, 63, 2)
|
|
line(63, i, 0, 63-i, 2)
|
|
i+=1
|
|
line(i, 64, 63-i, 127, 2)
|
|
line(63, 64+i, 0, 127-i, 2)
|
|
i+=1
|
|
line(i, 128, 63-i, 191, 2)
|
|
line(63, 128+i, 0, 191-i, 2)
|
|
i+=1
|
|
line(i, 192, 63-i, 255, 2)
|
|
line(63, 192+i, 0, 255-i, 2)
|
|
|
|
w = png.Writer(len(s[0]), len(s), palette=palette, bitdepth=1)
|
|
f = open('mcl_portals_portal.png', 'wb')
|
|
w.write(f, s)
|