def create_scene():
downsample = 2
width, height = 1280 / downsample, 720 / downsample
camera = Camera('pinhole', width=width, height=height, fov=30,
origin=(0, 0, 10), look_at=(0, 0, 0), up=(0, 1, 0))
scene = Scene()
with scene:
scene.set_camera(camera)
tex = Texture.create_taichi_wallpaper(20, rotation=0, scale=0.95) * 0.9
mesh = tc.Mesh('plane', tc.SurfaceMaterial('emissive', color=(6000, 6000, 10000)),
translate=(30, 20, 30), scale=3, rotation=(0, 0, 180))
scene.add_mesh(mesh)
with tc.transform_scope(rotation=(0, 0, 0), scale=1):
material = SurfaceMaterial('diffuse', color=(0.3, 0.2, 0.3), roughness_map=tex.id, f0=1)
scene.add_mesh(Mesh('cube', material=material, translate=(0, -1, 0), scale=(2, 0.02, 1)))
for i in range(7):
material = SurfaceMaterial('diffuse', color=hsv_to_rgb(i * 0.2, 0.5, 1.0), roughness_map=tex.id, f0=1)
scene.add_mesh(
Mesh('cube', material=material, translate=(2, 0.3 * (i - 3), 0.2), scale=(0.01, 0.10, 0.5)))
material = SurfaceMaterial('diffuse', color=(0.3, 0.3, 0.3), roughness_map=tex.id, f0=1)
scene.add_mesh(Mesh('cube', material=material, translate=(0, 0, -1), scale=(1.9, 0.9, 0.03)))
with tc.transform_scope(rotation=(0, 30, 0), translate=(0, 0, 0)):
scene.add_mesh(create_volumetric_block())
envmap_texture = Texture('spherical_gradient', inside_val=(10, 10, 10, 10), outside_val=(1, 1, 1, 0),
angle=10, sharpness=20)
envmap = EnvironmentMap('base', texture=envmap_texture.id, res=(1024, 1024))
scene.set_environment_map(envmap)
return scene
def create_snow_scene(frame):
downsample = 1
width, height = 960 / downsample, 540 / downsample
camera = Camera('thinlens',
width=width,
height=height,
fov=60,
origin=(0, 1, 4),
look_at=(0.0, -0.7, -0.0),
up=(0, 1, 0),
aperture=0.05)
scene = Scene()
with scene:
scene.set_camera(camera)
rep = Texture.create_taichi_wallpaper(
10, rotation=0, scale=0.95) * Texture('const',
value=(0.7, 0.5, 0.5))
material = SurfaceMaterial('pbr', diffuse_map=rep)
scene.add_mesh(
Mesh('holder', material=material, translate=(0, -1, -6), scale=2))
mesh = Mesh('plane',
SurfaceMaterial('emissive', color=(1, 1, 1)),
translate=(1.0, 1.0, -1),
scale=(0.1, 0.1, 0.1),
rotation=(180, 0, 0))
scene.add_mesh(mesh)
# Change this line to your particle output path pls.
fn = r'../snow-sim/particles%05d.bin' % frame
mesh = create_mpm_snow_block(fn)
scene.add_mesh(mesh)
return scene
def create_scene():
downsample = 1
width, height = 512 // downsample, 512 // downsample
camera = Camera('pinhole',
res=(width, height),
fov=120,
origin=(0, -5, 10),
look_at=(0, 0, 0),
up=(0, 1, 0))
scene = Scene()
with scene:
scene.set_camera(camera)
tex = Texture.create_taichi_wallpaper(20, rotation=0, scale=0.95) * 0.9
material = SurfaceMaterial('microfacet',
color=(1.0, 1, 0.8),
roughness_map=tex.id,
f0=1)
for i in range(-7, 5):
scene.add_mesh(
Mesh('sphere',
material=material,
translate=(i, -i * 1.6, -math.sin(i * 0.1)),
scale=0.7))
envmap_texture = Texture('sky', height=0.5, direction=0.3)
envmap_texture.show(res=(500, 500), post_processor=LDRDisplay())
envmap = EnvironmentMap('base',
texture=envmap_texture.id,
res=(1024, 1024))
scene.set_environment_map(envmap)
return scene
def create_sand_scene(frame, d, t):
downsample = output_downsample
width, height = 540 / downsample, 540 / downsample
camera = Camera('thinlens', width=width, height=height, fov=75,
origin=(0, 1, 4), look_at=(0.0, -0.9, 0.0), up=(0, 1, 0), aperture=0.01)
scene = Scene()
with scene:
scene.set_camera(camera)
rep = Texture.create_taichi_wallpaper(10, rotation=0, scale=0.95) * Texture('const', value=(0.7, 0.5, 0.5))
material = SurfaceMaterial('pbr', diffuse_map=rep)
scene.add_mesh(Mesh('holder', material=material, translate=(0, -1, -6), scale=2))
mesh = Mesh('plane', SurfaceMaterial('emissive', color=(1, 1, 1)),
translate=(1.0, 1.0, -1), scale=(0.1, 0.1, 0.1), rotation=(180, 0, 0))
scene.add_mesh(mesh)
material = tc.SurfaceMaterial('microfacet', color=(1, 1, 0.5), roughness=(0.1, 0, 0, 0), f0=1)
sphere = tc.Mesh('sphere', material,
translate=((t+0.05) * 0.5 - 0.35, -0.60, 0), scale=0.1, rotation=(0, 0, 0))
scene.add_mesh(sphere)
# Change this line to your particle output path pls.
# fn = r'../sand-sim/particles%05d.bin' % frame
fn = d + r'/particles%05d.bin' % frame
mesh = create_mpm_sand_block(fn)
scene.add_mesh(mesh)
return scene
def create_mis_scene(eye_position):
num_light_sources = 4
num_plates = 5
light_position = Vector(-0.5, 0)
downsample = 1
width, height = 960 / downsample, 540 / downsample
camera = Camera('pinhole',
width=width,
height=height,
fov=70,
origin=(0, eye_position.y, eye_position.x),
look_at=(0, -0.3, 0),
up=(0, 1, 0))
scene = Scene()
with scene:
scene.set_camera(camera)
rep = Texture.create_taichi_wallpaper(20, rotation=0, scale=0.95)
material = SurfaceMaterial('pbr', diffuse_map=rep.id)
scene.add_mesh(
Mesh('holder', material=material, translate=(0, -1, -7), scale=2))
for i in range(num_light_sources):
radius = 0.002 * 3**i
e = 0.01 / radius**2
material = SurfaceMaterial('emissive', color=(e, e, e))
mesh = Mesh('sphere',
material,
translate=(0.2 * (i - (num_light_sources - 1) * 0.5),
light_position.y, light_position.x),
scale=radius)
scene.add_mesh(mesh)
for i in range(num_plates):
fraction = -math.pi / 2 - 1.0 * i / num_plates * 0.9
z = math.cos(fraction) * 1
y = math.sin(fraction) * 1 + 0.5
board_position = Vector(z, y)
vec1 = eye_position - board_position
vec2 = light_position - board_position
vec1 *= 1.0 / math.hypot(vec1.x, vec1.y)
vec2 *= 1.0 / math.hypot(vec2.x, vec2.y)
half_vector = vec1 + vec2
angle = math.degrees(math.atan2(half_vector.y, half_vector.x))
mesh = Mesh('plane',
SurfaceMaterial('pbr',
diffuse=(0.1, 0.1, 0.1),
specular=(1, 1, 1),
glossiness=100 * 3**i),
translate=(0, board_position.y, board_position.x),
rotation=(90 - angle, 0, 0),
scale=(0.4, 0.7, 0.05))
scene.add_mesh(mesh)
# envmap = EnvironmentMap('base', filepath='d:/assets/schoenbrunn-front_hd.hdr')
# scene.set_environment_map(envmap)
return scene
def create_taichi_scene(eye_position):
downsample = 2
width, height = 960 / downsample, 540 / downsample
camera = Camera('pinhole',
width=width,
height=height,
fov=70,
origin=(0.5, 0.5, 3),
look_at=(0.5, 0.5, 0.5),
up=(0, 1, 0))
scene = Scene()
with scene:
scene.set_camera(camera)
rep = Texture.create_taichi_wallpaper(
10, rotation=0, scale=0.95) * Texture('const',
value=(0.5, 0.5, 1.0))
material = SurfaceMaterial('pbr', diffuse_map=rep)
scene.add_mesh(
Mesh('holder', material=material, translate=(0, -1, -7), scale=2))
mesh = Mesh('plane',
SurfaceMaterial('emissive', color=(1, 1, 1)),
translate=(0.5, 1.3, 0),
scale=(0.1, 1.0, 0.1),
rotation=(180, 0, 0))
scene.add_mesh(mesh)
material = SurfaceMaterial('plain_interface')
#vol = VolumeMaterial("homogeneous", scattering=10, absorption=0)
tex = 1 - Texture('taichi', scale=0.95)
vol = VolumeMaterial('voxel',
scattering=100,
absorption=0,
resolution=256,
tex=tex)
material.set_internal_material(vol)
mesh = Mesh('cube',
material=material,
translate=(0.5, 0.5, 0.5),
scale=(0.5, 0.5, 0.2),
rotation=(0, 0, 0))
scene.add_mesh(mesh)
#envmap = EnvironmentMap('base', filepath='d:/assets/schoenbrunn-front_hd.hdr')
#scene.set_environment_map(envmap)
return scene
