ntracer = NTracer(args.dimension)
if args.file:
if ntracer.dimension != 3:
sys.exit('a file can only be displayed with a dimensionality of 3')
try:
triangles = wavefront_obj.load_obj(args.file)
except Exception as e:
if args.debug:
raise
sys.exit('could not load file: ' + str(e))
scene = ntracer.build_composite_scene(triangles)
else:
scene = ntracer.BoxScene()
pygame.display.init()
pygame.font.init()
pygame.display.set_caption('ntracer')
screen = pygame.display.set_mode((640,480),pygame.RESIZABLE)
current_img = pygame.Surface(screen.get_size())
next_img = pygame.Surface(screen.get_size())
started = False
def translate(d):
def inner(t):
global started
self.frame += 1
if self.frame >= args.frames: return False
a2 = camera.axes[0]*self.h + camera.axes[1]*self.h
for i in range(nt.dimension-3): a2 += camera.axes[i+3]*self.h
camera.transform(nt.Matrix.rotation(camera.axes[2],a2,self.incr))
camera.normalize()
camera.origin = camera.axes[2] * cam_distance
scene.set_camera(camera)
return True
if nt.dimension >= 3 and args.schlafli[0] == 4 and all(c == 3 for c in args.schlafli[1:]):
cam_distance = -math.sqrt(nt.dimension) * args.cam_dist
scene = nt.BoxScene()
else:
print('building geometry...')
timing = timer()
p = Polygon(args.schlafli[0])
for i,s in enumerate(args.schlafli[1:]):
p = compose(p,i+2,s)
hull = p.hull()
timing = timer() - timing
print('done in {0} seconds'.format(timing))
cam_distance = -math.sqrt(p.circumradius_square()) * args.cam_dist
print('partitioning scene...')