I managed to successfully load the lightcycle model from glTron with this. Ignore the stuff about walktest.
-- Sean Lynch http://sean.lynch.tv/
#!/usr/bin/python2.2
# Import the obj format used by wavefront and others
import soya, soya.soya3d as soya3d, soya.model as model
import os
def Mtl(filename):
f = open(filename)
materials = {}
for line in f.xreadlines():
if line[0] == "#": continue
data = line.split()
if not data: continue
if data[0] == "newmtl":
# starting a new material
material = model.Material()
materials[data[1]] = material
# Initialize the specular color to black, dunno if we should really do this
material.specular = (0.0, 0.0, 0.0, 1.0)
elif data[0] == "Ka":
material.ambient = float(data[1]), float(data[2]), float(data[3]), 10
elif data[0] == "Kd":
material.diffuse = float(data[1]), float(data[2]), float(data[3]), 10
elif data[0] == "Ks":
material.specular = float(data[1]), float(data[2]), float(data[3]), 1.0
elif data[0] == "Ns":
# I have no idea what the scale factor should be for this
material.shininess = float(data[1])
elif data[0] == "Ni":
# Refractive index
pass
elif data[0] == "illum":
# Illumination model, 0 for no lighting, 1 for no specular,
# 2 for full lighting
pass
else: print "Unknown command:", data[0]
return materials
def Obj(filename):
mtlpath = os.path.dirname(filename)
world = soya3d.World()
material = model.Material()
#if texfilename is not None: material.tex_filename = texfilename
f = open(filename)
vertices = [None] # Vertex indexing starts at one, so this is a placeholder
vt = [None] # placeholder
for line in f.xreadlines():
if line[0] == "#": continue # skip comments
data = line.split()
if data[0] == "mtllib": materials = Mtl(os.path.join(mtlpath, data[1]))
if data[0] == "v":
# A vertex
vertices.append((float(data[1]), float(data[2]), float(data[3])))
elif data[0] == "vn":
# Ignoring vertex normals for now
pass
elif data[0] == "vt":
# Vertex texture. What's w?
vt.append((float(data[1]), float(data[2])))
# w = float(data[3])
elif data[0] == "usemtl":
material = materials[data[1]]
elif data[0] == "f":
# Loop through the vertices
face_vertices = []
for vertex in data[1:]:
args = vertex.split('/')
x, y, z = vertices[int(args[0])]
u, v = 0.0, 0.0
if len(args) > 1 and args[1]:
u, v = vt[int(args[1])]
# Don't care about the normal right now
face_vertices.append(model.Vertex(world, x, y, z, u, v))
f = model.Face(world, face_vertices, material)
f.double_sided = 1
world.scale(0.01, 0.01, 0.01)
return world.shapify()
if __name__ == '__main__':
import walktest
world = walktest.World()
obj = Obj('gltron/lightcycle high.obj')
#Model(world, 'armagetron/cycle_front.mod')
#Model(world, 'armagetron/cycle_rear.mod')
#world.scale(0.01, 0.01, 0.01)
world.set_shape(obj)
world.run()
msg00066/pgp00000.pgp
Description: PGP signature
