def main():
""" create a window, add scene objects, then run rendering loop """
viewer = Viewer()
shader = Shader("phong.vert", "phong.frag")
node = Node(transform=rotate((0, 0, 1), 45))
viewer.add(node)
light_dir = (0, -1, 0)
node.add(*[
mesh for file in sys.argv[1:]
for mesh in load_phong_mesh(file, shader, light_dir)
])
if len(sys.argv) != 2:
print('Usage:\n\t%s [3dfile]*\n\n3dfile\t\t the filename of a model in'
' format supported by assimp.' % (sys.argv[0], ))
# start rendering loop
viewer.run()
def main():
""" create a window, add scene objects, then run rendering loop """
viewer = Viewer()
# default color shader
shader = Shader("color.vert", "color.frag")
# think about it: we can re-use the same cylinder instance!
cylinder = Cylinder(shader)
# make a flat cylinder
base_shape = Node(transform=scale(1, 0.7, 1))
base_shape.add(cylinder) # shape of robot base
# make a thin cylinder
arm_shape = Node(transform=translate(0, 3, 0) @ scale(0.1, 2.4, 0.1))
arm_shape.add(cylinder) # shape of arm
# make a thin cylinder
forearm_shape = Node(transform=translate(0, 7, 0) @ scale(0.1, 1.8, 0.1))
forearm_shape.add(cylinder) # shape of forearm
theta = 45.0 # base horizontal rotation angle
phi1 = 45.0 # arm angle
phi2 = 20.0 # forearm angle
transform_forearm = Node(transform=rotate((0.6, 0.5, 1), phi2))
transform_forearm.add(forearm_shape)
transform_arm = Node(transform=rotate((0.3, 0.1, 0.9), phi1))
transform_arm.add(arm_shape, transform_forearm)
transform_base = Node(transform=rotate((0.9, 0.1, 0.2), theta))
transform_base.add(base_shape, transform_arm)
viewer.add(transform_base)
# place instances of our basic objects
# viewer.add(*[mesh for file in sys.argv[1:] for mesh in load(file, shader)])
# if len(sys.argv) < 2:
# print('Usage:\n\t%s [3dfile]*\n\n3dfile\t\t the filename of a model in'
# ' format supported by assimp.' % (sys.argv[0],))
# start rendering loop
viewer.run()
def add_object(object, transform=identity()):
obj = Node(transform=transform)
obj.add(object)
return obj
