def box(x, y, z, w, h, d):
p = (x, y, z)
dim = (w, h, d)
m = edgemtx()
n = edgemtx()
for i in xrange(3):
j = (i + 1) % 3
ai = [0, 0, 0]
aj = [0, 0, 0]
ak = [0, 0, 0]
ai[i] = dim[i]
aj[j] = dim[j]
for k in xrange(2):
addTriangle(m, x + ak[0], y + ak[1], z + ak[2], x + ai[0] + ak[0],
y + ai[1] + ak[1], z + ai[2] + ak[2],
x + aj[0] + ak[0], y + aj[1] + ak[1],
z + aj[2] + ak[2])
addTriangle(m, x + ai[0] + ak[0], y + ai[1] + ak[1],
z + ai[2] + ak[2], x + aj[0] + ak[0],
y + aj[1] + ak[1], z + aj[2] + ak[2],
x + ai[0] + aj[0] + ak[0], y + ai[1] + aj[1] + ak[1],
z + ai[2] + aj[2] + ak[2])
norm = [0, 0, 0]
dir = 1 - k * 2
norm[3 - i - j] = dir
addEdge(n, *norm * 2)
ak[3 - i - j] += dim[3 - i - j]
return m, n
def addSphere(m, x, y, z, r, step=0.02):
steps = int(math.ceil(1 / step))
pts = genSpherePoints(x, y, z, r, step)
for i in range(steps):
for j in range(steps - 1):
iNext = (i + 1) % steps
jNext = (j + 1) % steps
cor = i * steps + j
leftcor = i * steps + jNext
topcor = iNext * steps + j
diagcor = iNext * steps + jNext
addTriangle(m, *pts[cor] + pts[diagcor] + pts[leftcor])
addTriangle(m, *pts[cor] + pts[topcor] + pts[diagcor])
return m
def addTorus(m, x, y, z, r, R, mainStep=0.02, ringStep=0.05):
pts = genTorusPoints(x, y, z, r, R, mainStep, ringStep)
steps = int(math.ceil(1 / mainStep))
rsteps = int(math.ceil(1 / ringStep))
for c in range(steps):
for r in range(rsteps):
cNext = (c + 1) % steps
rNext = (r + 1) % rsteps
cor = c * rsteps + r
leftcor = c * rsteps + rNext
topcor = cNext * rsteps + r
diagcor = cNext * rsteps + rNext
addTriangle(m, *pts[cor] + pts[diagcor] + pts[leftcor])
addTriangle(m, *pts[cor] + pts[topcor] + pts[diagcor])
return m
def addBox(m, x, y, z, w, h, d):
pts = genBoxPoints(x, y, z, w, h, d)
addTriangle(m, *pts[0]+pts[5]+pts[1])
addTriangle(m, *pts[0]+pts[4]+pts[5])
addTriangle(m, *pts[2]+pts[3]+pts[7])
addTriangle(m, *pts[2]+pts[7]+pts[6])
addTriangle(m, *pts[0]+pts[2]+pts[6])
addTriangle(m, *pts[0]+pts[6]+pts[4])
addTriangle(m, *pts[1]+pts[7]+pts[3])
addTriangle(m, *pts[1]+pts[5]+pts[7])
addTriangle(m, *pts[0]+pts[1]+pts[3])
addTriangle(m, *pts[0]+pts[3]+pts[2])
addTriangle(m, *pts[4]+pts[7]+pts[5])
addTriangle(m, *pts[4]+pts[6]+pts[7])
def addSphere(m, x, y, z, r, step=0.02):
pts = genSpherePoints(x, y, z, r, step)
tris = genSphereTris(step)
fixOverlaps(pts, tris)
for a, b, c in tris:
addTriangle(m, *pts[a] + pts[b] + pts[c])
def addBox(m, x, y, z, w, h, d):
pts = genBoxPoints(x, y, z, w, h, d)
for a, b, c in genBoxTris():
addTriangle(m, *pts[a] + pts[b] + pts[c])
def addTorus(m, x, y, z, r, R, mainStep=0.02, ringStep=0.05):
pts = genTorusPoints(x, y, z, r, R, mainStep, ringStep)
for a, b, c in genTorusTris(mainStep, ringStep):
addTriangle(m, *pts[a] + pts[b] + pts[c])