43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
#
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# Code under the MIT license by Alexander Pruss
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#
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from mc import *
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import sys
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def draw_surface(xf,yf,zf,a0,a1,asteps,b0,b1,bsteps,ox,oy,oz,scalex,scaley,scalez,mcblock,mcmeta):
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cfx = compile(xf,'<string>','eval')
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cfy = compile(yf,'<string>','eval')
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cfz = compile(zf,'<string>','eval')
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for i in xrange(asteps):
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a = (a0 * (asteps-1-i) + a1 * i) / asteps
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for j in xrange(bsteps):
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b = (b0 * (bsteps-1-j) + b1 * j) / bsteps
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x = eval(cfx)
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y = eval(cfy)
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z = eval(cfz)
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mc.setBlock(ox+x * scalex, oy+y * scaley, oz+z * scalez, mcblock, mcmeta)
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mc = Minecraft()
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playerPos = mc.player.getPos()
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# formula from http://paulbourke.net/geometry/klein/
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xformula = '(6 * cos(a) * (1 + sin(a)) + 4 * (1 - cos(a) / 2) * cos(a) * cos(b)) if (a <= pi) else (6 * cos(a) * (1 + sin(a)) + 4 * (1 - cos(a) / 2) * cos(b + pi))'
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yformula = '16 * sin(a) + 4 * (1-cos(a)) * sin(a) * cos(b) if a <= pi else 16 * sin(a)'
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zformula = '4 * (1- cos(a)/2) * sin(b)'
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scale = 3
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b = STAINED_GLASS.id
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m = 5
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if (len(sys.argv)>1):
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b = int(sys.argv[1])
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if (len(sys.argv)>2):
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m = int(sys.argv[2])
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draw_surface(xformula,yformula,zformula,0,2*pi,150*scale,0,2*pi,150*scale,playerPos.x,playerPos.y+16*scale,playerPos.z,scale,scale,scale,b, m)
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#mc.postToChat("Formula done")
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