115 lines
2.5 KiB
Python
115 lines
2.5 KiB
Python
import png
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w, h = 16, 128;
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s = [[int(0) for c in range(w)] for c in range(h)]
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def drawpixel(x, y, t):
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if (x >= 0) and (x < w) and (y >= 0) and (y < h):
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if(t == 1):
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s[y][x] = 1
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elif t==2:
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s[y][x] = 1 - s[y][x]
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elif t==3:
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s[y][x] = s[y][x] + 1
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if s[y][x] > 3:
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s[y][x] =s[y][x]-4
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def circle(X1, Y1, R, t):
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x = 0
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y = R
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delta = 1 - 2 * R
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error = 0
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while y >= 0:
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if Y1%w + y < w:
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drawpixel(X1 + x, Y1 + y, t)
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if Y1%w - y >= 0:
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drawpixel(X1 + x, Y1 - y, t)
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if Y1%w + y < w:
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drawpixel(X1 - x, Y1 + y, t)
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if Y1%w - y >= 0:
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drawpixel(X1 - x, Y1 - y, t)
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error = 2 * (delta + y) - 1
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if ((delta < 0) and (error <= 0)):
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x = x + 1
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delta = delta + 2 * x + 1
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elif ((delta > 0) and (error > 0)):
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y = y - 1
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delta = delta - 2 * y + 1
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else:
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x = x + 1
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y = y - 1
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delta = delta + 2 * (x - y)
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def line(y1, x1, y2, x2, v):
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signx = 1
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signy = 1
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dx = x2 - x1
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dy = y2 - y1
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if dx < 0:
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dx = - dx
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signx = -1
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if dy < 0:
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dy = - dy
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signy = -1
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offsx = dx/2
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offsy = dy/2
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dir1 = 0
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if dx >= dy:
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dir1 = 1
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for i in range(max(dx, dy)+1):
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if(v == 1):
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s[x1][y1] = 1
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elif v==2:
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s[x1][y1] = 1 - s[x1][y1]
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elif v==3 or (v==4 and ((x1^y1)&1)) or (v==5 and (((x1|y1)&1)==0)) or (v==7 and ((((x1+1)|y1)&1)==0)) or (v==8 and ((((x1+1)|(y1+1))&1)==0)) or (v==6 and (((x1|(y1+1))&1)==0)):
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s[x1][y1] = s[x1][y1] + 1
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if s[x1][y1] > 3:
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s[x1][y1] = s[x1][y1] - 4
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if dir1 == 1:
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x1 += signx
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offsy += dy
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if offsy >= dx:
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y1 += signy
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offsy -= dx
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else:
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y1 += signy
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offsx += dx
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if offsx >= dy:
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x1 += signx
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offsx -= dy
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# R, G, B, Alpha (0xFF = opaque):
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palette=[
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(0x30,0x03,0xaf,0xa4),
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(0x4f,0x1c,0xaf,0xb4),
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(0x7f,0x3d,0xa0,0xc8),
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(0x6d,0x5d,0x99,0xb1)
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]
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circles = h//w
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maxr = w//2
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for i in [1,2,3,5,9,10,11,13]:
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for c in range(circles):
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q = ((circles-c-1)+i)%w
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circle(maxr, maxr+c*w, q, 3)
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linesperside = 2
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linestarts = round(w / linesperside) # 8
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lineoffset = round(w / linestarts) # 2
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wminus = w - 1
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for j in range(linesperside):
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for k in range(linestarts):
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offset = k * w
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for q in [0,1,3,4]:
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# for q in [1]:
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i = j*linestarts + ((k+q)%linestarts)
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line(i, offset, wminus-i, offset+wminus, 5+(k&3))
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line(wminus, offset+i, 0, offset+wminus-i, 5+(k&3))
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w = png.Writer(len(s[0]), len(s), palette=palette, bitdepth=2)
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f = open('mcl_portals_portal.png', 'wb')
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w.write(f, s)
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