def setup_renderer(window_type,
size=(256, 256),
light_spec=None,
cam_spec=None):
""" Sets up the LightBase rendering stuff."""
# Initialize
lbase = LightBase()
rootnode = lbase.rootnode
if window_type == "onscreen":
output = lbase.make_window(size, "window")
elif window_type == "offscreen":
output = lbase.make_buffer(size, "buffer")
elif window_type == "texture":
output, tex = lbase.make_texture_buffer(size,
"texturebuffer",
mode='RTMCopyRam')
else:
raise ValueError("Unknown window type: %s" % window_type)
# Clear out frame contents
lbase.render_frame()
lbase.render_frame()
# Set up a camera
if cam_spec is None:
cam_spec = {}
# print('cam_spec', cam_spec)
cam_x, cam_z, cam_y = cam_spec.get('cam_pos', (0., -20., 0.))
scene_width = cam_spec.get('scene_width', 3.)
nm = np.sqrt(cam_x**2 + cam_y**2 + cam_z**2)
fov = 2. * np.degrees(np.arctan(scene_width / (2. * nm)))
cam_lx, cam_lz, cam_ly = cam_spec.get('cam_lookat', (0., 0., 0.))
cam_rot = cam_spec.get('cam_rot', 0.)
camera = lbase.make_camera(output)
lens = camera.node().getLens()
lens.setMinFov(fov)
# Position the camera
camera_rot = rootnode.attachNewNode('camera_rot')
lbase.cameras.reparentTo(camera_rot)
lbase.cameras.setPos(cam_x, cam_z, cam_y)
lbase.cameras.lookAt(cam_lx, cam_lz, cam_ly)
camera_rot.setH(cam_rot)
# Lights
lights = LightBase.make_lights(light_spec=light_spec)
lights.reparentTo(rootnode)
for light in lights.getChildren():
rootnode.setLight(light)
# # Pause while setup finishes
# time.sleep(0.02)
return lbase, output
def setup_renderer(window_type, size=(256, 256), light_spec=None, cam_spec=None):
""" Sets up the LightBase rendering stuff."""
# Initialize
lbase = LightBase()
rootnode = lbase.rootnode
if window_type == "onscreen":
output = lbase.make_window(size, "window")
elif window_type == "offscreen":
output = lbase.make_buffer(size, "buffer")
elif window_type == "texture":
output, tex = lbase.make_texture_buffer(size, "texturebuffer",
mode='RTMCopyRam')
else:
raise ValueError("Unknown window type: %s" % window_type)
# Clear out frame contents
lbase.render_frame()
lbase.render_frame()
# Set up a camera
if cam_spec is None:
cam_spec = {}
print('cam_spec', cam_spec)
cam_x, cam_z, cam_y = cam_spec.get('cam_pos', (0., -20., 0.))
scene_width = cam_spec.get('scene_width', 3.)
nm = np.sqrt(cam_x**2 + cam_y**2 + cam_z**2)
fov = 2. * np.degrees(np.arctan(scene_width / (2. * nm)))
cam_lx, cam_lz, cam_ly = cam_spec.get('cam_lookat', (0., 0., 0.))
cam_rot = cam_spec.get('cam_rot', 0.)
camera = lbase.make_camera(output)
lens = camera.node().getLens()
lens.setMinFov(fov)
# Position the camera
camera_rot = rootnode.attachNewNode('camera_rot')
lbase.cameras.reparentTo(camera_rot)
lbase.cameras.setPos(cam_x, cam_z, cam_y)
lbase.cameras.lookAt(cam_lx, cam_lz, cam_ly)
camera_rot.setH(cam_rot)
# Lights
lights = LightBase.make_lights(light_spec=light_spec)
lights.reparentTo(rootnode)
for light in lights.getChildren():
rootnode.setLight(light)
# # Pause while setup finishes
# time.sleep(0.02)
return lbase, output
