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mazebox_clean2_stable.py
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mazebox_clean2_stable.py
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from math import *
from pyopenscad import *
from testpng import *
from inset import *
from trianglemath import *
rn = 3*64
#r = 10
innerR=25
gap = 0.5
wall = 3
baseH=2
gripH=9
hn=90
s = 0.775
h = hn*s
hone = h/hn
toph = (h-gripH)+3
depth=[]
def flip(img):
#for l in img:
# l.reverse()
img.reverse()
return img
for i in range(0, hn):
depth.append([])
for j in range(0, rn):
depth[i].append(0.0)
depth = getPNG('maze8.png')
depth = flip(depth)
def getPx(x, y, default):
x = int(x)
y = int(y)
x = x % len(depth[0])
if (y >= len(depth)):
y = len(depth) - 1
if (x >= 0 and x < len(depth[0]) and y >= 0 and y < len(depth)):
return depth[y][x]
return default
def myComp(x, y):
d = Tripple2Vec3D(y).angle2D() - Tripple2Vec3D(x).angle2D()
if (d < 0):
return -1
elif (d == 0):
return 0
else:
return 1
def bumpMapCylinder(theR, hn, inset, default):
pts = []
trls = []
for i in xrange(0, hn):
circ = []
for j in xrange(0, rn):
a = j*2*pi/rn
r = theR - ((255-getPx(j, i, default))/150.0)
p = [r*cos(a), r*sin(a), i*hone]
circ.append(p)
circ = insetPoly(circ, inset)
#circ.sort(lambda x, y: -1 if (Tripple2Vec3D(y).angle2D() - Tripple2Vec3D(x).angle2D() < 0) else 1)
aold = Tripple2Vec3D(circ[0]).angle2D()
for c in circ:
a = Tripple2Vec3D(c).angle2D()
#print a
if (a > aold and (abs(a-aold) < 1*pi)):
#print a, aold
#exit()
pass
aold = a
pts.append(c)
pts.append([0, 0, 0])
pts.append([0, 0, i*hone])
for j in range(0, rn):
t = [j, (j+1)%rn, rn*hn]
trls.append(t)
t = [(rn*hn-1)-j, (rn*hn-1)-((j+1)%rn), rn*hn+1]
trls.append(t)
for i in range(0, hn-1):
p1 = i*rn+((j+1)%rn)
p2 = i*rn+j
p3 = (i+1)*rn+j
p4 = (i+1)*rn+((j+1)%rn)
a1 = angleBetweenPlanes([pts[p1], pts[p2], pts[p3]], [pts[p4], pts[p1], pts[p3]])
a1 = min(a1, pi-a1)
a2 = angleBetweenPlanes([pts[p2], pts[p1], pts[p4]], [pts[p2], pts[p3], pts[p4]])
a2 = min(a2, pi-a2)
#print a1, a2
if (a1 < a2):
t = [p1, p2, p3]
trls.append(t)
t = [p4, p1, p3]
trls.append(t)
else:
t = [p2, p4, p1]
trls.append(t)
t = [p2, p3, p4]
trls.append(t)
return polyhedron(pts, trls, 6)
# to generate the top part
part = 1
# to generate the bottom part
part = 2
if part==1:
d = difference()
u = union()
u.add(bumpMapCylinder(innerR, hn, 0, 255))
u.add(cylinder(r=innerR+wall+gap, h=gripH))
d.add(u)
#u.add(translate([80,0,0]).add(bumpMapCylinder(innerR, wall)))
d.add(intersection().add(bumpMapCylinder(innerR, hn+2, wall, 0).setModifier("")).add(translate([0,0,baseH]).add(cylinder(r=innerR+2*wall,h=h*1.1).setModifier(""))))
#u.add()
print "$fa=2; $fs=0.5;\n"
print d.render()
elif part==2:
top = difference()
u = union()
u2 = union()
top.add(u)
d = difference()
d.add(cylinder(r = innerR+wall+gap, h=toph))
d.add(translate([0,0,baseH]).add(cylinder(r = innerR+gap, h=toph)))
u.add(d)
top.add(u2)
for i in range(0,3):
a = i * 2*pi/3.0
r = innerR+gap+wall/2
u.add(translate([(r-0.3)*cos(a),(r-0.3)*sin(a), toph-6]).add(sphere(r=2.4)))
u2.add(translate([(r+wall-0.3)*cos(a),(r+wall-0.3)*sin(a), toph-6]).add(sphere(r=2.4)))
#top.add(cylinder(r = innerR+wall+gap, h=h))
print "$fa=2; $fs=0.5;\n"
print top.render()
else:
top = difference()
u = union()
u2 = union()
top.add(u)
d = difference()
d.add(cylinder(r = innerR+wall+gap, h=6))
d.add(translate([0,0,-baseH]).add(cylinder(r = innerR+gap, h=h)))
u.add(d)
top.add(u2)
for i in range(0,3):
a = i * 2*pi/3.0
r = innerR+gap+wall/2
u.add(translate([r*cos(a),r*sin(a), 4]).add(sphere(r=2.3)))
u2.add(translate([(r+wall)*cos(a),(r+wall)*sin(a), 4]).add(sphere(r=2.3)))
#top.add(cylinder(r = innerR+wall+gap, h=h))
print "//$fn=20;\n"
print top.render()