def build_scene(num_cubes, color_array):
# Generate positions of each cube
cube_position_array, barycenter = generate_block_positions(num_cubes)
# Place cubes
scene = rtx.Scene(ambient_color=(0, 0, 0))
for position in cube_position_array:
geometry = rtx.BoxGeometry(cube_size, cube_size, cube_size)
geometry.set_position((
position[0] - barycenter[0],
position[1] - barycenter[1],
position[2] - barycenter[2],
))
material = rtx.LambertMaterial(0.3)
mapping = rtx.SolidColorMapping(random.choice(color_array))
cube = rtx.Object(geometry, material, mapping)
scene.add(cube)
# Place a light
size = 50
geometry = rtx.SphereGeometry(size)
geometry.set_position((size * 2, size * 2, 0))
material = rtx.EmissiveMaterial(100, visible=False)
mapping = rtx.SolidColorMapping((1, 1, 1))
light = rtx.Object(geometry, material, mapping)
scene.add(light)
return scene
def build_scene(floor_textures, wall_textures, fix_light_position=False):
scene = rtx.Scene(ambient_color=(153 / 255, 226 / 255, 249 / 255))
texture = load_texture_image(random.choice(wall_textures))
mapping = generate_texture_mapping(texture, floor_size / wall_height)
# Place walls
## 1
geometry = rtx.PlainGeometry(floor_size, wall_height)
geometry.set_rotation((0, 0, 0))
geometry.set_position((0, wall_height / 2, -floor_size / 2))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
## 2
geometry = rtx.PlainGeometry(floor_size, wall_height)
geometry.set_rotation((0, -math.pi / 2, 0))
geometry.set_position((floor_size / 2, wall_height / 2, 0))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
## 3
geometry = rtx.PlainGeometry(floor_size, wall_height)
geometry.set_rotation((0, math.pi, 0))
geometry.set_position((0, wall_height / 2, floor_size / 2))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
## 4
geometry = rtx.PlainGeometry(floor_size, wall_height)
geometry.set_rotation((0, math.pi / 2, 0))
geometry.set_position((-floor_size / 2, wall_height / 2, 0))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# floor
geometry = rtx.PlainGeometry(floor_size, floor_size)
geometry.set_rotation((-math.pi / 2, 0, 0))
geometry.set_position((0, 0, 0))
material = rtx.LambertMaterial(0.95)
texture = load_texture_image(random.choice(floor_textures))
mapping = generate_texture_mapping(texture, scale=0.5)
floor = rtx.Object(geometry, material, mapping)
scene.add(floor)
# Place a light
geometry = rtx.SphereGeometry(2)
spread = floor_size / 2 - 1
geometry.set_position(
(random.uniform(-spread, spread), 8, random.uniform(-spread, spread)))
material = rtx.EmissiveMaterial(20, visible=False)
mapping = rtx.SolidColorMapping((1, 1, 1))
light = rtx.Object(geometry, material, mapping)
scene.add(light)
return scene
def create_geometry_by_type(geometry_type):
if geometry_type == GeometryType.box:
return rtx.BoxGeometry(width=0.75, height=0.75, depth=0.75), 0.375
if geometry_type == GeometryType.shpere:
return rtx.SphereGeometry(radius=0.375), 0.375
if geometry_type == GeometryType.cylinder:
return rtx.CylinderGeometry(radius=0.25, height=1), 0.5
if geometry_type == GeometryType.cone:
return rtx.ConeGeometry(radius=0.375, height=1), 0.375
raise NotImplementedError
def build_geometry_by_type(geometry_type):
if geometry_type == GeometryType.box:
return rtx.BoxGeometry(width=1, height=1, depth=1)
if geometry_type == GeometryType.shpere:
return rtx.SphereGeometry(radius=0.5)
if geometry_type == GeometryType.cylinder:
return rtx.CylinderGeometry(radius=0.5, height=1)
if geometry_type == GeometryType.cone:
return rtx.ConeGeometry(radius=0.5, height=1)
raise NotImplementedError
def build_scene(mnist_image_array,
wall_texture_filename_array,
floor_texture_filename_array,
grid_size=8):
assert len(mnist_image_array) == 6
wall_height = 3
eps = 0.1
scene = rtx.Scene(ambient_color=(0.5, 1, 1))
texture = load_texture_image(random.choice(wall_texture_filename_array))
mapping = build_mapping(texture, grid_size / wall_height)
# 1
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, 0, 0))
geometry.set_position((0, 0, -grid_size / 2))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# 2
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, -math.pi / 2, 0))
geometry.set_position((grid_size / 2, 0, 0))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# 3
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi, 0))
geometry.set_position((0, 0, grid_size / 2))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# 4
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi / 2, 0))
geometry.set_position((-grid_size / 2, 0, 0))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# floor
geometry = rtx.PlainGeometry(grid_size + eps, grid_size + eps)
geometry.set_rotation((-math.pi / 2, 0, 0))
geometry.set_position((0, -wall_height / 2, 0))
material = rtx.LambertMaterial(0.95)
texture = load_texture_image(random.choice(floor_texture_filename_array))
mapping = build_mapping(texture, scale=0.5)
floor = rtx.Object(geometry, material, mapping)
scene.add(floor)
# Place lights
## Primary light
primary_light = rtx.ObjectGroup()
geometry = rtx.SphereGeometry(2)
material = rtx.EmissiveMaterial(40, visible=False)
mapping = rtx.SolidColorMapping((1, 1, 1))
light = rtx.Object(geometry, material, mapping)
primary_light.add(light)
spread = grid_size / 2 - 1
primary_light.set_position((spread * random.uniform(-1, 1), 8,
spread * random.uniform(-1, 1)))
scene.add(primary_light)
## Ambient light
ambient_lights = rtx.ObjectGroup()
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, 0, 0))
geometry.set_position((0, 0, -grid_size / 2))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, -math.pi / 2, 0))
geometry.set_position((grid_size / 2, 0, 0))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi, 0))
geometry.set_position((0, 0, grid_size / 2))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi / 2, 0))
geometry.set_position((-grid_size / 2, 0, 0))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
ambient_lights.set_position((0, wall_height, 0))
scene.add(ambient_lights)
# Place a dice
dice = build_dice(mnist_image_array)
spread = grid_size / 3
dice.set_position((spread * random.uniform(-1, 1), 1 - wall_height / 2,
spread * random.uniform(-1, 1)))
dice.set_rotation((0, random.uniform(0, math.pi * 2), 0))
scene.add(dice)
return scene
def build_scene(color_array, wall_texture_filename_array,
floor_texture_filename_array, grid_size, wall_height):
eps = 0.1
scene = rtx.Scene(ambient_color=(0.5, 1, 1))
texture = load_texture_image(random.choice(wall_texture_filename_array))
mapping = build_mapping(texture, grid_size / wall_height)
# 1
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, 0, 0))
geometry.set_position((0, 0, -grid_size / 2))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# 2
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, -math.pi / 2, 0))
geometry.set_position((grid_size / 2, 0, 0))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# 3
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi, 0))
geometry.set_position((0, 0, grid_size / 2))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# 4
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi / 2, 0))
geometry.set_position((-grid_size / 2, 0, 0))
material = rtx.LambertMaterial(0.95)
wall = rtx.Object(geometry, material, mapping)
scene.add(wall)
# floor
geometry = rtx.PlainGeometry(grid_size + eps, grid_size + eps)
geometry.set_rotation((-math.pi / 2, 0, 0))
geometry.set_position((0, -wall_height / 2, 0))
material = rtx.LambertMaterial(0.95)
texture = load_texture_image(random.choice(floor_texture_filename_array))
mapping = build_mapping(texture, scale=0.5)
floor = rtx.Object(geometry, material, mapping)
scene.add(floor)
# Place lights
## Primary light
primary_light = rtx.ObjectGroup()
geometry = rtx.SphereGeometry(2)
material = rtx.EmissiveMaterial(40, visible=False)
mapping = rtx.SolidColorMapping((1, 1, 1))
light = rtx.Object(geometry, material, mapping)
primary_light.add(light)
spread = grid_size / 2 - 1
primary_light.set_position(
(spread * random.uniform(-1, 1), 8, spread * random.uniform(-1, 1)))
scene.add(primary_light)
## Ambient light
ambient_lights = rtx.ObjectGroup()
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, 0, 0))
geometry.set_position((0, 0, -grid_size / 2))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, -math.pi / 2, 0))
geometry.set_position((grid_size / 2, 0, 0))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi, 0))
geometry.set_position((0, 0, grid_size / 2))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
geometry = rtx.PlainGeometry(grid_size + eps, wall_height)
geometry.set_rotation((0, math.pi / 2, 0))
geometry.set_position((-grid_size / 2, 0, 0))
material = rtx.EmissiveMaterial(1, visible=False)
wall = rtx.Object(geometry, material, mapping)
ambient_lights.add(wall)
ambient_lights.set_position((0, wall_height, 0))
scene.add(ambient_lights)
# Place objects
r = grid_size // 4
r2 = r * 2
object_positions = generate_object_positions(args.num_objects, r2 - 1)
for position_index in object_positions:
geometry_type = random.choice(geometry_type_array)
geometry = build_geometry_by_type(geometry_type)
geometry.set_rotation((0, random.uniform(0, math.pi * 2), 0))
noise = np.random.uniform(-0.125, 0.125, size=2)
spread = 1.5
geometry.set_position((
spread * (position_index[0] - r + 1) + noise[0],
-wall_height / 2 + 0.5,
spread * (position_index[1] - r + 1) + noise[1],
))
material = rtx.LambertMaterial(0.9)
color = random.choice(color_array)
mapping = rtx.SolidColorMapping(color)
obj = rtx.Object(geometry, material, mapping)
scene.add(obj)
return scene
scene.add(teapot)
# place dragon
faces, vertices = gm.load("../geometries/dragon")
bottom = np.amin(vertices, axis=0)
geometry = rtx.StandardGeometry(faces, vertices, 25)
geometry.set_position((0.75, -bottom[2] * 1.5, 0))
geometry.set_scale((1.5, 1.5, 1.5))
geometry.set_rotation((0, -math.pi / 4, 0))
material = rtx.LambertMaterial(1.0)
mapping = rtx.SolidColorMapping((1, 0, 1))
dragon = rtx.Object(geometry, material, mapping)
scene.add(dragon)
# place ball
geometry = rtx.SphereGeometry(0.5)
geometry.set_position((2.25, 0.5, 0))
material = rtx.LambertMaterial(1.0)
mapping = rtx.SolidColorMapping((0, 1, 1))
sphere = rtx.Object(geometry, material, mapping)
scene.add(sphere)
# place light
geometry = rtx.PlainGeometry(2.0, 0.5)
geometry.set_rotation((0, 0, math.pi / 2))
geometry.set_position((-2, 1, -3))
material = rtx.EmissiveMaterial(5.0)
mapping = rtx.SolidColorMapping((1, 0, 0))
rect_area_light = rtx.Object(geometry, material, mapping)
scene.add(rect_area_light)
material = rtx.EmissiveMaterial(1.0, visible=False) mapping = rtx.SolidColorMapping((1, 1, 1)) light = rtx.Object(geometry, material, mapping) group.add(light) geometry = rtx.PlainGeometry(100, 100) geometry.set_rotation((0, -math.pi / 2, 0)) geometry.set_position((box_width / 2 + 5, 0, 0)) material = rtx.EmissiveMaterial(0.1, visible=False) mapping = rtx.SolidColorMapping((1, 1, 1)) light = rtx.Object(geometry, material, mapping) group.add(light) # scene.add(group) geometry = rtx.SphereGeometry(2) geometry.set_position((0, 4, 0)) material = rtx.EmissiveMaterial(1, visible=True) mapping = rtx.SolidColorMapping((1, 1, 1)) light = rtx.Object(geometry, material, mapping) scene.add(light) geometry = rtx.PlainGeometry(2, 2) geometry.set_rotation((math.pi / 2, 0, 0)) geometry.set_position((0, 5, 0)) material = rtx.EmissiveMaterial(1, visible=True) mapping = rtx.SolidColorMapping((1, 1, 1)) light = rtx.Object(geometry, material, mapping) # scene.add(light) # place cylinder
