def sphereshade():
lx, ly, lz = 700,100,0
vx, vy = 250, 250
Ia = (100, 100, 100)
Id = (255, 0, 0)
Is = (255, 150, 150)
Ks = (128, 128, 128)
zbuf = [[None for _ in xrange(500)] for _ in ge(500)]
tris = transform.T(250, 250, 0) * edgeMtx.sphere(200, .02)
sts = edgeMtx.edgemtx()
edgeMtx.addCircle(sts,0,0,0,500,.05)
sts = transform.T(250,250,0)*transform.R('y', -45)*transform.R('x', 90)*sts
sts = zip(*sts)[::2]
ke=0
for lx,ly,lz,_ in sts:
img = Image(500,500)
triList = []
for i in range(0, len(tris[0]) - 2, 3):
triList.append(tuple(tris[0][i : i + 3] + tris[1][i : i + 3] + tris[2][i : i + 3]))
triList.sort(key=lambda t: sum(t[6:9]))
print 'sorted lis'
for x1, x2, x3, y1, y2, y3, z1, z2, z3 in triList:
nx1, ny1, nz1 = normalize(x1 - 250, y1 - 250, z1)
nx2, ny2, nz2 = normalize(x2 - 250, y2 - 250, z2)
nx3, ny3, nz3 = normalize(x3 - 250, y3 - 250, z3)
shadePix = drawShadedTri(x1,y1,z1,x2,y2,z2,x3,y3,z3,nx1,ny1,nz1,nx2,ny2,nz2,nx3,ny3,nz3,lx,ly,lz,vx,vy,vz,Ia,Id,Is,Ka,Kd,Ks,a,zbuf)
img.setPixels(shadePix)
img.savePpm('shade/%d.ppm'%(ke))
if ke == 0: img.display()
ke+=1
print ke
def addTorusPoints(m, x, y, z, r, R, mainStep=0.02, ringStep=0.05):
steps = int(math.ceil(1 / mainStep))
mCircle = edgemtx()
addPoint(mCircle, r, 0, 0)
addCircle(mCircle, 0, 0, 0, r, ringStep)
addPoint(mCircle, mCircle[0][-1], mCircle[1][-1], 0)
for theta in range(steps):
xOuter = x + R * math.cos(theta * 2 * math.pi / steps)
zOuter = z + R * math.sin(theta * 2 * math.pi / steps)
movedCircle = transform.T(xOuter, y, zOuter) * transform.R(
'y', -theta * 360. / steps) * mCircle
addToEdgeMtx(m, movedCircle)
return m
def runFrame(frame, commands):
step = 0.02
cstack = [TransMatrix()]
img = Image(500, 500)
objects = []
for command in commands:
inp = command[0]
args = command[1:]
if inp == 'line':
edges = edgemtx()
addEdge(edges, *command[1:7])
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'ident':
cstack[-1] = TransMatrix()
elif inp == 'scale':
kval = frame[args[3]]
cstack[-1] *= transform.S(*args[:3]) * transform.S(
kval, kval, kval) # scaling a scale with scale
elif inp == 'move':
kval = frame[args[3]]
cstack[-1] *= transform.T(*[i * kval for i in args[:3]])
elif inp == 'rotate':
kval = frame[args[2]]
cstack[-1] *= transform.R(args[0], args[1] * kval)
elif inp == 'circle':
edges = edgemtx()
addCircle(*(edges, ) + command[1:5] + (.01, ))
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'bezier':
edges = edgemtx()
addBezier(*(edges, ) + command[1:9] + (.01, ))
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'hermite':
edges = edgemtx()
addHermite(*(edges, ) + command[1:9] + (.01, ))
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'clearstack':
cstack = [TransMatrix()]
elif inp == 'box':
vxs = cstack[-1] * shape.genBoxPoints(*command[1:7])
tris = shape.genBoxTris()
shape.fixOverlaps(vxs, tris)
objects.append((POLY, flatTrisFromVT(vxs, tris)))
#polys = edgemtx()
#shape.addBox(*(polys,) + command[1:7])
#polys = cstack[-1] * polys
#objects.append((POLY, polys))
#drawTriangles(cstack[-1] * polys, img, wireframe=True)
elif inp == 'sphere':
vxs = cstack[-1] * shape.genSpherePoints(*command[1:5] + (step, ))
tris = shape.genSphereTris(step)
shape.fixOverlaps(vxs, tris)
objects.append((POLY, autoTrianglesFromVT(vxs, tris)))
#polys = edgemtx()
#shape.addSphere(*(polys,) + command[1:5] + (.05,))
#polys = cstack[-1] * polys
#objects.append((POLY, polys))
#drawTriangles(cstack[-1] * polys, img, wireframe=True)
elif inp == 'torus':
vxs = cstack[-1] * shape.genTorusPoints(*command[1:6] +
(step, step))
tris = shape.genTorusTris(step, step)
shape.fixOverlaps(vxs, tris)
objects.append((POLY, autoTrianglesFromVT(vxs, tris)))
#polys = edgemtx()
#shape.addTorus(*(polys,) + command[1:6] + (.05, .05))
#polys = cstack[-1] * polys
#objects.append((POLY, polys))
#drawTriangles(cstack[-1] * polys, img, wireframe=True)
elif inp == 'push':
cstack.append(cstack[-1].clone())
elif inp == 'pop':
cstack.pop()
return objects
def run(filename):
"""
This function runs an mdl script
"""
color = [255, 255, 255]
tmp = TransMatrix()
p = mdl.parseFile(filename)
#print p
if p:
(commands, symbols) = p
else:
print "Parsing failed."
return
frames = None
basename = 'anim'
varying = False
# pass 1
for command in commands:
cmd = command[0]
args = command[1:]
if cmd == 'frames':
frames = args[0]
elif cmd == 'basename':
basename = args[0]
elif cmd == 'vary':
varying = True
if varying:
if frames is None:
err('Frames not set.')
if basename == 'anim':
warn('Basename not set, using default of anim.')
# pass 2
upd = lambda d, n: 0 if d.update(n) else d
frameList = [
upd({k: v[1]
for k, v in symbols.iteritems() if v[0] == 'knob'}, {None: 1})
for _ in range(frames)
]
for command in commands:
cmd = command[0]
args = command[1:]
if cmd == 'set':
for frame in frameList:
frame[args[0]] = args[1]
elif cmd == 'setall':
for frame in frameList:
for key in frame.keys():
frame[key] = args[0]
elif cmd == 'vary':
val = args[3]
inc = (1. * args[4] - args[3]) / (args[2] - args[1])
for frid in range(args[1], args[2] + 1):
frameList[frid][args[0]] = val
val += inc
imgs = []
# pass for each frame
print 'Pass 2 complete, beginning image rendering...'
a = time.time()
for frame in frameList:
objects = runFrame(frame, commands)
img = Image(500, 500)
draw(objects, img)
imgs.append(img)
print 'Images rendered in %f ms' % (int(
(time.time() - a) * 1000000) / 1000.)
print 'Saving images...'
a = time.time()
for i in range(len(imgs)):
imgs[i].savePpm('anim/%s%03d.ppm' % (basename, i))
print 'Images saved in %f ms' % (int(
(time.time() - a) * 1000000) / 1000.)
print 'Creating animation... (converting to gif)'
a = time.time()
makeAnimation(basename, 'ppm')
print 'Animation created in %f ms' % (int(
(time.time() - a) * 1000000) / 1000.)
# clearAnim()
else:
cstack = [TransMatrix()]
frc = 0
img = Image(500, 500)
objects = []
for command in commands:
inp = command[0]
if inp == 'line':
edges = edgemtx()
addEdge(edges, *command[1:7])
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'ident':
cstack[-1] = TransMatrix()
elif inp == 'scale':
cstack[-1] *= transform.S(*command[1:4])
elif inp == 'move':
cstack[-1] *= transform.T(*command[1:4])
elif inp == 'rotate':
cstack[-1] *= transform.R(*command[1:3])
elif inp == 'display':
drawObjects(objects, img)
img.flipUD().display()
elif inp == 'save':
drawObjects(objects, img)
if inp[-4:] == '.ppm':
img.flipUD().savePpm(command[1])
else:
img.flipUD().saveAs(command[1])
elif inp == 'saveframe':
drawObjects(objects, img)
img.flipUD().savePpm('%s%d.ppm' % (command[1], frc))
frc += 1
elif inp == 'circle':
edges = edgemtx()
addCircle(*(edges, ) + command[1:5] + (.01, ))
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'bezier':
edges = edgemtx()
addBezier(*(edges, ) + command[1:9] + (.01, ))
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'hermite':
edges = edgemtx()
addHermite(*(edges, ) + command[1:9] + (.01, ))
edges = cstack[-1] * edges
objects.append((EDGE, edges))
#drawEdges(cstack[-1] * edges, img)
elif inp == 'clear':
img = Image(500, 500)
elif inp == 'clearstack':
cstack = [TransMatrix()]
elif inp == 'box':
polys = edgemtx()
shape.addBox(*(polys, ) + command[1:7])
polys = cstack[-1] * polys
objects.append((POLY, polys))
#drawTriangles(cstack[-1] * polys, img, wireframe=True)
elif inp == 'sphere':
polys = edgemtx()
shape.addSphere(*(polys, ) + command[1:5] + (.05, ))
polys = cstack[-1] * polys
objects.append((POLY, polys))
#drawTriangles(cstack[-1] * polys, img, wireframe=True)
elif inp == 'torus':
polys = edgemtx()
shape.addTorus(*(polys, ) + command[1:6] + (.05, .05))
polys = cstack[-1] * polys
objects.append((POLY, polys))
#drawTriangles(cstack[-1] * polys, img, wireframe=True)
elif inp == 'push':
cstack.append(cstack[-1].clone())
elif inp == 'pop':
cstack.pop()
inp = raw_input('').strip()
img = Image(500, 500)
drawEdges(edges, img)
if inp[-4:] == '.ppm':
img.flipUD().savePpm(inp)
else:
img.flipUD().saveAs(inp)
elif inp == 'saveframe':
inp = raw_input('').strip()
img = Image(500, 500)
drawEdges(projected(edges, cam), img)
img.flipUD().savePpm('%s%d.ppm' % (inp, frc))
frc += 1
elif inp == 'circle':
inp = raw_input('').strip()
addCircle(*[edges] + iparse(inp) + [.01])
elif inp == 'bezier':
inp = raw_input('').strip()
addBezier(*[edges] + iparse(inp) + [.01])
elif inp == 'hermite':
inp = raw_input('').strip()
addHermite(*[edges] + iparse(inp) + [.01])
elif inp == 'clear':
edges = edgemtx()
elif inp == 'box':
inp = raw_input('').strip()
shape.addBoxPoints(*[edges] + iparse(inp))
elif inp == 'sphere':
inp = raw_input('').strip()
shape.addSpherePoints(*[edges] + iparse(inp))
elif inp == 'torus':