scene.add_object(xy, name="xy")
scene.add_object(yz, name="yz")
scene.add_object(xz, name="xz")
x_transl = 0
y_transl = 0
z_transl = 15
camera_pos = hl.IDENTITY4
def rotate(theta, axis):
return np.matmul(camera_pos, hl.rotate_3(theta, axis))
translate = np.matmul(camera_pos, hl.translate_3(x_transl, y_transl, z_transl))
'''scene.render_scene(x_range=(-25, 25),
y_range=(-25, 25),
camera_position=camera_pos,
resolution=50,
projection_type="weak",
style='line',
region_params={'a_spacing': 0.5,
'b_spacing': 0.5},
foreground=hl.WHITE,
background=hl.BLACK,
display=True)'''
rps = 1 / 3
period = 1/rps
def frame(self,
camera_position=(0, 0, 0),
projection_type=Projections.WEAK,
styles=Styles.UNIFORM,
densities=1):
if not type(styles) == dict:
styles_val = styles
styles = {}
for obj in self.objects:
styles[obj] = styles_val
if not type(densities) == dict:
densities_val = densities
densities = {}
for obj in self.objects:
densities[obj] = densities_val
points = []
lines = []
endpoints1 = []
endpoints2 = []
scene_position = np.matmul(
hl.translate_3(tuple(i * -1 for i in camera_position)),
hl.IDENTITY4)
if projection_type == Projections.ORTHO:
projection_matrix = hl.ORTHO_PROJECT
elif projection_type == Projections.WEAK:
projection_matrix = hl.weak_project()
else: # no projection
projection_matrix = hl.IDENTITY4
transform = np.matmul(projection_matrix, scene_position)
# TODO group objects
objects = self.objects.items()
render_objects = []
for obj in objects:
if isinstance(obj[1], hl.Group):
for component in obj[1].components:
render_objects.append((obj[0], component))
else:
render_objects.append(obj)
#print(render_objects)
for name, obj in render_objects:
obj_points = obj.region(densities[name])
#print(obj_points)
if styles[name] == Styles.UNIFORM:
obj_points = hl.reshape_array(obj_points)
transformed_obj_points = np.matmul(obj.position, obj_points)
if len(points) == 0:
points = transformed_obj_points
else:
points = np.concatenate((points, transformed_obj_points),
axis=1)
elif styles[name] == Styles.WIREFRAME:
# TODO 2d case
if obj.region_type == 'path':
print('wireframe not implemented for path objects')
return
h1 = obj_points[:, :, 1:]
h2 = obj_points[:, :, :-1]
v1 = obj_points[:, 1:, :]
v2 = obj_points[:, :-1, :]
h1 = hl.reshape_array(h1)
h2 = hl.reshape_array(h2)
v1 = hl.reshape_array(v1)
v2 = hl.reshape_array(v2)
new_endpoints1 = np.concatenate((h1, v1), axis=1)
new_endpoints2 = np.concatenate((h2, v2), axis=1)
new_endpoints1, new_endpoints2 = hl.apply_transforms(
transforms=(obj.position, ),
arrays=(new_endpoints1, new_endpoints2))
if len(endpoints1) == 0:
endpoints1 = new_endpoints1
endpoints2 = new_endpoints2
else:
endpoints1 = np.concatenate((endpoints1, new_endpoints1),
axis=1)
endpoints2 = np.concatenate((endpoints2, new_endpoints2),
axis=1)
if len(endpoints1) > 0:
endpoints1, endpoints2 = hl.apply_transforms(
(transform, ), (endpoints1, endpoints2))
endpoints1 = np.divide(endpoints1, endpoints1[-1])
endpoints2 = np.divide(endpoints2, endpoints2[-1])
lines = np.array((endpoints1, endpoints2))
lines = lines.transpose()
lines = np.swapaxes(lines, 1, 2)
if len(points) > 0:
shape = np.shape(points)
if shape[0] == 3:
points = np.vstack((points, np.ones(shape[1])))
points = np.matmul(transform, points)
points = np.divide(points, points[-1])
points = points.transpose()
return points, lines
polarization=(-1, 0, 0),
start_time=random.uniform(0, 5))
for i in range(num_drops):
start_time = random.uniform(i/3, 10)
x_location = random.uniform(-5, 5)
y_location = random.uniform(-5, 5)
surface.add_more_disturbances(disturbance=disturbance,
init_pos=(x_location, y_location),
polarization=(-1, 0, 0),
start_time=start_time)
scene.add_object(surface, name="basin")
camera_pos = hl.IDENTITY4
camera_pos = np.matmul(camera_pos, hl.translate_3(-5, 0, -15))
camera_pos = np.matmul(camera_pos, hl.rotate_3(math.pi / 3, axis=(0, 1, 0)))
rotation_per_timestep = hl.rotate_3(math.pi / 20, axis=(1, 0, 0))
hl.parallel_video(frame_func=lambda t: scene.render_scene(params={'basin': {'t': t}},
x_range=(-25, 25),
y_range=(-25, 25),
camera_position=camera_pos,
resolution=50,
projection_type="weak",
style='line',
region_params={'a_spacing': 0.15,
'b_spacing': 0.15,
def translate(self, t):
return self.transform(hl.translate_3(t))
sys.path.append('../hallucinator')
import hallucinator as hl
import numpy as np
import math
scene = hl.MonochromeScene()
scene.add_object(hl.box(10, 10, 10), name='box')
scene.add_object(hl.box(10, 10, 10, p0=(0, 20, 20)), name='box2')
scene.add_object(hl.box(10, 10, 10, p0=(20, 0, 20)), name='box3')
scene.add_object(hl.box(10, 10, 10, p0=(0, 0, 40)), name='box4')
#scene.render_scene(x_range=(-40, 80), y_range=(-40, 80), display=True, resolution=10)
scene = scene.transform(hl.translate_3(-20, -20, 50))
scene.render_scene(x_range=(-40, 40),
y_range=(-40, 40),
projection_type='weak',
display=True,
resolution=15)
camera_position = hl.IDENTITY4
scene.render_scene(x_range=(-40, 40),
y_range=(-40, 40),
camera_position=camera_position,
projection_type='weak',
display=True,
resolution=15)
def translate(self, tx=0, ty=0, tz=0):
return self.transform(hallucinator.translate_3(tx, ty, tz))