def _create_spelled_text_viz(self):
""" Creates and initializes the visualization of the text field in which the already spelled text is shown. """
#self.spelled_text_viz = OnscreenText(text="Spelled Text", pos=(0,0.85), scale=0.1, mayChange=True, fg=(0,0,1,1), frame=(0,1,0,1))
self.spelled_text_viz = TextBoard()
self.spelled_text_viz.set_text_color(0, 0, 0)
self.spelled_text_viz.set_scale(0.1)
self.spelled_text_viz.set_center_pos_xz(0, 1)
def _create_spelled_text_viz(self):
""" Creates and initializes the visualization of the text field in which the already spelled text is shown. """
#self.spelled_text_viz = OnscreenText(text="Spelled Text", pos=(0,0.85), scale=0.1, mayChange=True, fg=(0,0,1,1), frame=(0,1,0,1))
self.spelled_text_viz = TextBoard()
self.spelled_text_viz.set_text_color(0, 0, 0)
self.spelled_text_viz.set_scale(0.1)
self.spelled_text_viz.set_center_pos_xz(0, 1)
class HexoViz(DirectObject):
def __init__(self, hexo_controler, PARAMS):
#if not sys.modules.has_key('direct.directbase.DirectStart'):
from direct.directbase import DirectStart
# if not hasattr(base, 'win'):
# print "no window available - trying to reload DirectStart"
# self._reinit_base()
# mod_list = [sys.modules[key] for key in sys.modules.keys() if key.startswith("direct.") and not(sys.modules[key]==None)]
# print mod_list
self.set_hexo_controler(hexo_controler)
self.params = PARAMS
# create the visualization components
self._create_control_signal_viz()
self._create_spelled_text_viz()
self.hexagons = [] # list of hexagon visual objects
self._create_hexagons_viz()
self._create_arrow_viz()
self.hex_direction = 'front' # initially the hexagons are showing their front side
# create the manual control elements
self.manual_control_signal_increment = self.params["manual_control_signal_increment"]
self._create_manual_control_elements()
self._set_light_sources()
base.disableMouse()
base.camera.setPos(0,-5,0)
def _reinit_base(self):
for key in sys.modules.keys():
if key.startswith("direct.") and not(sys.modules[key]==None) and not key.endswith('Messenger'):
sys.modules.pop(key)
import direct.showbase
reload(sys.modules['direct.showbase.Messenger'])
from direct.directbase import DirectStart
def tick(self, dt):
# render the scene once
taskMgr.step()
def pause_tick(self):
""" The viz will show some pause indicator or pause animation. """
pass
def play_tick(self):
self.viz_control_signal(self.hexo_controler.get_control_signal())
self.viz_arrow()
self.highlight_hexagon(self.hexo_controler.get_selected_hexagon_index())
def shut_down(self):
# try to remove all Panda3D stuff from working memory so that it has to be completely reloaded
base.exitfunc()
for key in sys.modules.keys():
if key.startswith("direct.") and not(sys.modules[key]==None):# and not key.endswith('Messenger'):
del sys.modules[key]
#sys.modules.pop(key)
pass
def viz_control_signal(self, control_signal):
""" Visualize the current output value of the classifier. """
#print "HexoViz viz_control_signal"
#self.control_signal_viz.setText("Control Signal = "+str(control_signal))
# here I assume that the control signal is between -1 and 1
v = self.normalize_control_signal(control_signal)
self.control_signal_viz.set_bar_height(v)
def viz_arrow(self):
""" Visualizes the arrow. """
phi = self.hexo_controler.get_phi_degrees()
length = self.hexo_controler.get_arrow_length()
self.arrow.set_angle_x_z_plane(phi)
self.arrow.set_length(length)
if self.hexo_controler.is_arrow_locked():
r,g,b = self.params["arrow_locked_color"]
else:
r,g,b = self.params["arrow_color"]
self.arrow.set_color(r, g, b)
#self.arrow_text.setText("Arrow: angle = "+str(self.hexo_controler.get_phi_degrees())+", length = "+str(self.hexo_controler.get_arrow_length()))
def set_arrow_color(self, r, g, b):
self.arrow.set_color(r, g, b)
self.params["arrow_color"] = (r,g,b)
def set_arrow_locked_color(self, r, g, b):
self.params["arrow_locked_color"] = (r,g,b)
def set_arrow_rotation_threshold(self, t):
t = self.normalize_control_signal(t)
self.control_signal_viz.set_threshold_1(t)
def set_arrow_growth_threshold(self, t):
t = self.normalize_control_signal(t)
self.control_signal_viz.set_threshold_2(t)
def highlight_hexagon(self, index=0):
""" Highlights the hexagon with the given index. """
if not index==None:
for i in range(6):
if i==index:
r,g,b = self.params["hexagon_highlight_color"]
#self.hexagons[int(index)].setBg((r,g,b,1))
self.hexagons[int(index)].set_color(r,g,b)
else:
r,g,b = self.params["hexagon_default_color"]
#self.hexagons[i].setBg((r,g,b,1))
self.hexagons[i].set_color(r,g,b)
def set_symbol_lists(self, symbol_lists):
""" The given list of symbol lists will be displayed by the hexagons. """
for i, sub_list in enumerate(symbol_lists):
self.hexagons[i].set_front_side_symbols(sub_list)
def set_big_symbols(self, symbols, selected_hex):
""" Sets the given symbols as big symbols on the hexagons, on symbol for each hexagon. """
self.remove_big_symbols()
pos_idx= self.hexagons[selected_hex].idx_to_pos
for i, symbol in enumerate(symbols):
self.hexagons[pos_idx[i]].set_back_side_symbol(symbol)
def get_selected_symbol(self, hex_idx, pos_idx):
return self.hexagons[hex_idx].get_symbol(pos_idx)
def remove_big_symbols(self):
""" Sets all back side symbols to '', thereby erasing the ones that were there previously. """
for hex in self.hexagons:
hex.set_back_side_symbol('')
def show_spelled_text(self, text):
""" Displays the given text in the spelled-text-field. """
self.spelled_text_viz.set_text(text)
def set_hexo_controler(self, hexo_controler):
""" Sets self.hexo_controler to the given hexo_controler. """
self.hexo_controler = hexo_controler
def set_hexagon_color(self, r,g,b):
self.params['hexagon_default_color'] = (r,g,b)
for hex in self.hexagons:
hex.set_color(r,g,b)
def set_hexagon_highlight_color(self, r,g,b):
self.params['hexagon_highlight_color'] = (r,g,b)
def set_hexagon_text_color(self, r,g,b,alpha=1):
for hex in self.hexagons:
hex.set_text_color(r,g,b,alpha)
def set_textboard_background_color(self, r,g,b):
self.spelled_text_viz.set_background_color(r, g, b, 1)
def set_textboard_frame_color(self, r,g,b):
self.spelled_text_viz.set_frame_color(r, g, b, alpha=1)
def set_textboard_text_color(self, r,g,b):
self.spelled_text_viz.set_text_color(r, g, b, alpha=1)
def set_background_color(self, r,g,b):
base.setBackgroundColor((r,g,b))
def set_control_signal_bar_frame_color(self, r,g,b):
self.control_signal_viz.set_frame_color(r, g, b, alpha=1)
def set_control_signal_bar_color(self, r,g,b):
self.control_signal_viz.set_bar_color(r, g, b, alpha=1)
def start_state_change_animation(self, rot_arrow=False, phi_start=0, phi_end=0):
if self.hex_direction == 'front':
start_angle = 0
stop_angle = 180
self.hex_direction = 'back'
elif self.hex_direction == 'back':
start_angle = 180
stop_angle = 360
self.hex_direction = 'front'
else:
raise Exception("HexoViz::start_state_change_animation - self.hex_direction has invalid value: "+str(self.hex_direction))
rot_time = self.params["state_change_animation_duration"]
hex_list = self.hexagons
taskMgr.add(HexoViz.rotate_hexagons_task, 'rotate_hexagons',
extraArgs=[hex_list, rot_time, start_angle, stop_angle], appendTask=True)
if rot_arrow:
taskMgr.add(HexoViz.rotate_arrow_task, 'rotate_arrow',
extraArgs=[self.arrow, rot_time, phi_start, phi_end], appendTask=True)
def normalize_control_signal(self, v):
""" Assuming a given control signal range (e.g. -1 to 1), the given value is mapped to the range 0 to 1. """
return (v+1)/2.0
def _create_control_signal_viz(self):
""" Creates and initializes the visualization of the classifier output. """
self.control_signal_viz = ControlSignalBar(1, self.params["control_signal_bar_width"],
(0.3, 0.7), # dummy thresholds, will be replaced by real ones via the set_tresholds method
self.params["control_signal_bar_padding"])
self.control_signal_viz.set_scale(self.params["control_signal_bar_scaling"])
(x,z) = self.params["control_signal_bar_position"]
self.control_signal_viz.set_pos(x, 0, z)
(r,g,b) = self.params["control_signal_bar_color"]
self.control_signal_viz.set_bar_color(r, g, b)
(r,g,b) = self.params["control_signal_bar_frame_color"]
self.control_signal_viz.set_frame_color(r, g, b)
#self.control_signal_viz = OnscreenText(text="Control Signal = 0", pos=(0.9, -0.9), mayChange=True, scale=0.05)
def _create_spelled_text_viz(self):
""" Creates and initializes the visualization of the text field in which the already spelled text is shown. """
#self.spelled_text_viz = OnscreenText(text="Spelled Text", pos=(0,0.85), scale=0.1, mayChange=True, fg=(0,0,1,1), frame=(0,1,0,1))
self.spelled_text_viz = TextBoard()
self.spelled_text_viz.set_text_color(0, 0, 0)
self.spelled_text_viz.set_scale(0.1)
self.spelled_text_viz.set_center_pos_xz(0, 1)
def _create_hexagons_viz(self):
""" Creates and positions the Hexagons. """
# position them around the center point with radius r
r = self.params["hex_distance_to_middle"] # distance from the center to the middle point of each hex
hex_inner_r = r / sqrt(3) - self.params["gap_width_between_hexagons"]
# create the hex objects first
for i in range(6):
hex = Hexagon(radius=hex_inner_r, width=self.params["hex_depth"], color=self.params["hexagon_default_color"], hex_index=i)
#hex.set_front_side_symbols_scale(0.5)
self.hexagons.append(hex)
#self.hexagons.append(OnscreenText(text="Hex Nr "+str(i+1), pos=(0,0), scale=0.05, mayChange=True, align=TextNode.ACenter, style=ost.BlackOnWhite))
# the first set of coordinates is (0,r) + center point
# the next coordinates are rotated clockwise 60 degrees
x, y = 0,r
phi = 60 # angle in degrees
for i in range(6):
#self.hexagons[i].setPos(x+self.params["center_position"][0], y+self.params["center_position"][1])
self.hexagons[i].set_pos(x+self.params["center_position"][0], 0, y+self.params["center_position"][1])
x,y = Utils.rotate_phi_degrees_clockwise(phi, (x,y))
def _create_arrow_viz(self):
""" Creates the rotating arrow. """
self.arrow = Arrow()
self.arrow.get_node_path().setX(self.params['center_position'][0])
self.arrow.get_node_path().setZ(self.params['center_position'][1])
self.arrow.set_scale(self.params['arrow_scale'])
r,g,b = self.params["arrow_color"]
self.arrow.set_color(r, g, b)
# self.arrow_text = OnscreenText(text="Arrow: angle = ?, length = ?", pos=self.params["center_position"],
# scale=0.05, mayChange=True, align=TextNode.ACenter)
def _create_manual_control_elements(self):
""" Creates keyboard listeners, such that manual interaction is possible. """
self.accept('j', self._increase_control_signal)
self.accept('f', self._decrease_control_signal)
self.accept('space', self._toggle_control_signal_bar_visible)
def _increase_control_signal(self):
""" Callback that signals the speller backend to increase the control signal (classifier output). """
current_value = self.hexo_controler.get_control_signal()
increased_value = current_value + self.manual_control_signal_increment
self.hexo_controler.set_control_signal(increased_value)
# print "increased value = " + str(self.hexo_controler.get_control_signal())
def _decrease_control_signal(self):
""" Callback that signals the speller backend to decrease the control signal (classifier output). """
current_value = self.hexo_controler.get_control_signal()
decreased_value = current_value - self.manual_control_signal_increment
self.hexo_controler.set_control_signal(decreased_value)
#print "decreased value = " + str(self.hexo_controler.get_control_signal())
def _toggle_control_signal_bar_visible(self):
if self.control_signal_viz.get_node_path().isHidden():
self.control_signal_viz.get_node_path().show()
else:
self.control_signal_viz.get_node_path().hide()
def _set_light_sources(self):
light_positions = [(1,-1,1),(-1,-5,1)]
intensity = 0.8
for l_pos in light_positions:
plight = PointLight('plight')
plight.setColor(VBase4(intensity, intensity, intensity, 1))
plnp = render.attachNewNode(plight)
plnp.setPos(l_pos[0], l_pos[1], l_pos[2])
render.setLight(plnp)
light = AmbientLight('')
light.setColor(VBase4(0.4,0.4,0.4,1))
light_np = render.attachNewNode(light)
light_np.setPos(0,0,0)
render.setLight(light_np)
pass
@staticmethod
def rotate_hexagons_task(hexagon_list, rotation_time, start_angle, stop_angle, task):
current_angle = hexagon_list[0].get_node_path().getH() # here I assume all hexagons have the same angle!!!
if current_angle >= stop_angle or current_angle < start_angle:
return Task.done
phi = start_angle + 180 * task.time/rotation_time
phi = phi % 360
for hexagon in hexagon_list:
hexagon.get_node_path().setH(phi)
return Task.cont
@staticmethod
def rotate_arrow_task(arrow, rotation_time, start_phi, stop_phi, task):
# current_angle = arrow.get_node_path().getR()
if task.time >= rotation_time:
return Task.done
angle_diff = (stop_phi - start_phi) % 360
phi = start_phi + angle_diff * task.time/rotation_time
arrow.get_node_path().setR(phi)
return Task.cont
class HexoViz(DirectObject):
def __init__(self, hexo_controler, PARAMS):
#if not sys.modules.has_key('direct.directbase.DirectStart'):
from direct.directbase import DirectStart
# if not hasattr(base, 'win'):
# print "no window available - trying to reload DirectStart"
# self._reinit_base()
# mod_list = [sys.modules[key] for key in sys.modules.keys() if key.startswith("direct.") and not(sys.modules[key]==None)]
# print mod_list
self.set_hexo_controler(hexo_controler)
self.params = PARAMS
# create the visualization components
self._create_control_signal_viz()
self._create_spelled_text_viz()
self.hexagons = [] # list of hexagon visual objects
self._create_hexagons_viz()
self._create_arrow_viz()
self.hex_direction = 'front' # initially the hexagons are showing their front side
# create the manual control elements
self.manual_control_signal_increment = self.params[
"manual_control_signal_increment"]
self._create_manual_control_elements()
self._set_light_sources()
base.disableMouse()
base.camera.setPos(0, -5, 0)
def _reinit_base(self):
for key in sys.modules.keys():
if key.startswith("direct.") and not (
sys.modules[key]
== None) and not key.endswith('Messenger'):
sys.modules.pop(key)
import direct.showbase
reload(sys.modules['direct.showbase.Messenger'])
from direct.directbase import DirectStart
def tick(self, dt):
# render the scene once
taskMgr.step()
def pause_tick(self):
""" The viz will show some pause indicator or pause animation. """
pass
def play_tick(self):
self.viz_control_signal(self.hexo_controler.get_control_signal())
self.viz_arrow()
self.highlight_hexagon(
self.hexo_controler.get_selected_hexagon_index())
def shut_down(self):
# try to remove all Panda3D stuff from working memory so that it has to be completely reloaded
base.exitfunc()
for key in sys.modules.keys():
if key.startswith("direct.") and not (
sys.modules[key]
== None): # and not key.endswith('Messenger'):
del sys.modules[key]
#sys.modules.pop(key)
pass
def viz_control_signal(self, control_signal):
""" Visualize the current output value of the classifier. """
#print "HexoViz viz_control_signal"
#self.control_signal_viz.setText("Control Signal = "+str(control_signal))
# here I assume that the control signal is between -1 and 1
v = self.normalize_control_signal(control_signal)
self.control_signal_viz.set_bar_height(v)
def viz_arrow(self):
""" Visualizes the arrow. """
phi = self.hexo_controler.get_phi_degrees()
length = self.hexo_controler.get_arrow_length()
self.arrow.set_angle_x_z_plane(phi)
self.arrow.set_length(length)
if self.hexo_controler.is_arrow_locked():
r, g, b = self.params["arrow_locked_color"]
else:
r, g, b = self.params["arrow_color"]
self.arrow.set_color(r, g, b)
#self.arrow_text.setText("Arrow: angle = "+str(self.hexo_controler.get_phi_degrees())+", length = "+str(self.hexo_controler.get_arrow_length()))
def set_arrow_color(self, r, g, b):
self.arrow.set_color(r, g, b)
self.params["arrow_color"] = (r, g, b)
def set_arrow_locked_color(self, r, g, b):
self.params["arrow_locked_color"] = (r, g, b)
def set_arrow_rotation_threshold(self, t):
t = self.normalize_control_signal(t)
self.control_signal_viz.set_threshold_1(t)
def set_arrow_growth_threshold(self, t):
t = self.normalize_control_signal(t)
self.control_signal_viz.set_threshold_2(t)
def highlight_hexagon(self, index=0):
""" Highlights the hexagon with the given index. """
if not index == None:
for i in range(6):
if i == index:
r, g, b = self.params["hexagon_highlight_color"]
#self.hexagons[int(index)].setBg((r,g,b,1))
self.hexagons[int(index)].set_color(r, g, b)
else:
r, g, b = self.params["hexagon_default_color"]
#self.hexagons[i].setBg((r,g,b,1))
self.hexagons[i].set_color(r, g, b)
def set_symbol_lists(self, symbol_lists):
""" The given list of symbol lists will be displayed by the hexagons. """
for i, sub_list in enumerate(symbol_lists):
self.hexagons[i].set_front_side_symbols(sub_list)
def set_big_symbols(self, symbols, selected_hex):
""" Sets the given symbols as big symbols on the hexagons, on symbol for each hexagon. """
self.remove_big_symbols()
pos_idx = self.hexagons[selected_hex].idx_to_pos
for i, symbol in enumerate(symbols):
self.hexagons[pos_idx[i]].set_back_side_symbol(symbol)
def get_selected_symbol(self, hex_idx, pos_idx):
return self.hexagons[hex_idx].get_symbol(pos_idx)
def remove_big_symbols(self):
""" Sets all back side symbols to '', thereby erasing the ones that were there previously. """
for hex in self.hexagons:
hex.set_back_side_symbol('')
def show_spelled_text(self, text):
""" Displays the given text in the spelled-text-field. """
self.spelled_text_viz.set_text(text)
def set_hexo_controler(self, hexo_controler):
""" Sets self.hexo_controler to the given hexo_controler. """
self.hexo_controler = hexo_controler
def set_hexagon_color(self, r, g, b):
self.params['hexagon_default_color'] = (r, g, b)
for hex in self.hexagons:
hex.set_color(r, g, b)
def set_hexagon_highlight_color(self, r, g, b):
self.params['hexagon_highlight_color'] = (r, g, b)
def set_hexagon_text_color(self, r, g, b, alpha=1):
for hex in self.hexagons:
hex.set_text_color(r, g, b, alpha)
def set_textboard_background_color(self, r, g, b):
self.spelled_text_viz.set_background_color(r, g, b, 1)
def set_textboard_frame_color(self, r, g, b):
self.spelled_text_viz.set_frame_color(r, g, b, alpha=1)
def set_textboard_text_color(self, r, g, b):
self.spelled_text_viz.set_text_color(r, g, b, alpha=1)
def set_background_color(self, r, g, b):
base.setBackgroundColor((r, g, b))
def set_control_signal_bar_frame_color(self, r, g, b):
self.control_signal_viz.set_frame_color(r, g, b, alpha=1)
def set_control_signal_bar_color(self, r, g, b):
self.control_signal_viz.set_bar_color(r, g, b, alpha=1)
def start_state_change_animation(self,
rot_arrow=False,
phi_start=0,
phi_end=0):
if self.hex_direction == 'front':
start_angle = 0
stop_angle = 180
self.hex_direction = 'back'
elif self.hex_direction == 'back':
start_angle = 180
stop_angle = 360
self.hex_direction = 'front'
else:
raise Exception(
"HexoViz::start_state_change_animation - self.hex_direction has invalid value: "
+ str(self.hex_direction))
rot_time = self.params["state_change_animation_duration"]
hex_list = self.hexagons
taskMgr.add(HexoViz.rotate_hexagons_task,
'rotate_hexagons',
extraArgs=[hex_list, rot_time, start_angle, stop_angle],
appendTask=True)
if rot_arrow:
taskMgr.add(HexoViz.rotate_arrow_task,
'rotate_arrow',
extraArgs=[self.arrow, rot_time, phi_start, phi_end],
appendTask=True)
def normalize_control_signal(self, v):
""" Assuming a given control signal range (e.g. -1 to 1), the given value is mapped to the range 0 to 1. """
return (v + 1) / 2.0
def _create_control_signal_viz(self):
""" Creates and initializes the visualization of the classifier output. """
self.control_signal_viz = ControlSignalBar(
1,
self.params["control_signal_bar_width"],
(
0.3, 0.7
), # dummy thresholds, will be replaced by real ones via the set_tresholds method
self.params["control_signal_bar_padding"])
self.control_signal_viz.set_scale(
self.params["control_signal_bar_scaling"])
(x, z) = self.params["control_signal_bar_position"]
self.control_signal_viz.set_pos(x, 0, z)
(r, g, b) = self.params["control_signal_bar_color"]
self.control_signal_viz.set_bar_color(r, g, b)
(r, g, b) = self.params["control_signal_bar_frame_color"]
self.control_signal_viz.set_frame_color(r, g, b)
#self.control_signal_viz = OnscreenText(text="Control Signal = 0", pos=(0.9, -0.9), mayChange=True, scale=0.05)
def _create_spelled_text_viz(self):
""" Creates and initializes the visualization of the text field in which the already spelled text is shown. """
#self.spelled_text_viz = OnscreenText(text="Spelled Text", pos=(0,0.85), scale=0.1, mayChange=True, fg=(0,0,1,1), frame=(0,1,0,1))
self.spelled_text_viz = TextBoard()
self.spelled_text_viz.set_text_color(0, 0, 0)
self.spelled_text_viz.set_scale(0.1)
self.spelled_text_viz.set_center_pos_xz(0, 1)
def _create_hexagons_viz(self):
""" Creates and positions the Hexagons. """
# position them around the center point with radius r
r = self.params[
"hex_distance_to_middle"] # distance from the center to the middle point of each hex
hex_inner_r = r / sqrt(3) - self.params["gap_width_between_hexagons"]
# create the hex objects first
for i in range(6):
hex = Hexagon(radius=hex_inner_r,
width=self.params["hex_depth"],
color=self.params["hexagon_default_color"],
hex_index=i)
#hex.set_front_side_symbols_scale(0.5)
self.hexagons.append(hex)
#self.hexagons.append(OnscreenText(text="Hex Nr "+str(i+1), pos=(0,0), scale=0.05, mayChange=True, align=TextNode.ACenter, style=ost.BlackOnWhite))
# the first set of coordinates is (0,r) + center point
# the next coordinates are rotated clockwise 60 degrees
x, y = 0, r
phi = 60 # angle in degrees
for i in range(6):
#self.hexagons[i].setPos(x+self.params["center_position"][0], y+self.params["center_position"][1])
self.hexagons[i].set_pos(x + self.params["center_position"][0], 0,
y + self.params["center_position"][1])
x, y = Utils.rotate_phi_degrees_clockwise(phi, (x, y))
def _create_arrow_viz(self):
""" Creates the rotating arrow. """
self.arrow = Arrow()
self.arrow.get_node_path().setX(self.params['center_position'][0])
self.arrow.get_node_path().setZ(self.params['center_position'][1])
self.arrow.set_scale(self.params['arrow_scale'])
r, g, b = self.params["arrow_color"]
self.arrow.set_color(r, g, b)
# self.arrow_text = OnscreenText(text="Arrow: angle = ?, length = ?", pos=self.params["center_position"],
# scale=0.05, mayChange=True, align=TextNode.ACenter)
def _create_manual_control_elements(self):
""" Creates keyboard listeners, such that manual interaction is possible. """
self.accept('j', self._increase_control_signal)
self.accept('f', self._decrease_control_signal)
self.accept('space', self._toggle_control_signal_bar_visible)
def _increase_control_signal(self):
""" Callback that signals the speller backend to increase the control signal (classifier output). """
current_value = self.hexo_controler.get_control_signal()
increased_value = current_value + self.manual_control_signal_increment
self.hexo_controler.set_control_signal(increased_value)
# print "increased value = " + str(self.hexo_controler.get_control_signal())
def _decrease_control_signal(self):
""" Callback that signals the speller backend to decrease the control signal (classifier output). """
current_value = self.hexo_controler.get_control_signal()
decreased_value = current_value - self.manual_control_signal_increment
self.hexo_controler.set_control_signal(decreased_value)
#print "decreased value = " + str(self.hexo_controler.get_control_signal())
def _toggle_control_signal_bar_visible(self):
if self.control_signal_viz.get_node_path().isHidden():
self.control_signal_viz.get_node_path().show()
else:
self.control_signal_viz.get_node_path().hide()
def _set_light_sources(self):
light_positions = [(1, -1, 1), (-1, -5, 1)]
intensity = 0.8
for l_pos in light_positions:
plight = PointLight('plight')
plight.setColor(VBase4(intensity, intensity, intensity, 1))
plnp = render.attachNewNode(plight)
plnp.setPos(l_pos[0], l_pos[1], l_pos[2])
render.setLight(plnp)
light = AmbientLight('')
light.setColor(VBase4(0.4, 0.4, 0.4, 1))
light_np = render.attachNewNode(light)
light_np.setPos(0, 0, 0)
render.setLight(light_np)
pass
@staticmethod
def rotate_hexagons_task(hexagon_list, rotation_time, start_angle,
stop_angle, task):
current_angle = hexagon_list[0].get_node_path().getH(
) # here I assume all hexagons have the same angle!!!
if current_angle >= stop_angle or current_angle < start_angle:
return Task.done
phi = start_angle + 180 * task.time / rotation_time
phi = phi % 360
for hexagon in hexagon_list:
hexagon.get_node_path().setH(phi)
return Task.cont
@staticmethod
def rotate_arrow_task(arrow, rotation_time, start_phi, stop_phi, task):
# current_angle = arrow.get_node_path().getR()
if task.time >= rotation_time:
return Task.done
angle_diff = (stop_phi - start_phi) % 360
phi = start_phi + angle_diff * task.time / rotation_time
arrow.get_node_path().setR(phi)
return Task.cont