x[i] += dt * v[i]
### Rendering GUI
scene = t3.Scene()
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0, 0.8, -1.1], target=[0, 0.25, 0])
scene.add_camera(camera)
light = t3.Light(dir=[0.4, -1.5, 1.8])
#scene.add_shadow_camera(light.make_shadow_camera()) # comment this if you get too poor FPS
scene.add_light(light)
mesh = t3.MeshGrid((N, N))
model = t3.Model(t3.QuadToTri(mesh))
model.material = t3.Material(t3.CookTorrance(color=t3.Texture('assets/cloth.jpg')))
scene.add_model(model)
sphere = t3.Model(t3.Mesh.from_obj('assets/sphere.obj'))
scene.add_model(sphere)
@ti.kernel
def update_display():
for i in ti.grouped(x):
mesh.pos[i] = x[i]
init()
sphere.L2W[None] = t3.translate(ball_pos) @ t3.scale(ball_radius)
with ti.GUI('Mass Spring', camera.res) as gui:
for i in ti.grouped(x):
v[i] *= ti.exp(-damping * dt)
x[i] += dt * v[i]
### Rendering GUI
scene = t3.Scene()
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0, 0.8, -1.1], target=[0, 0.25, 0])
scene.add_camera(camera)
mesh = t3.MeshGrid((N, N))
model = t3.Model(t3.QuadToTri(mesh))
model.material = t3.Material(
t3.CookTorrance(color=t3.Texture('assets/cloth.jpg')))
scene.add_model(model)
sphere = t3.Model(t3.Mesh.from_obj('assets/sphere.obj'))
scene.add_model(sphere)
light = t3.Light(dir=[0.4, -1.5, 1.8])
scene.add_light(light)
scene.add_camera(light.make_shadow_camera())
@ti.kernel
def update_display():
for i in ti.grouped(x):
mesh.pos[i] = x[i]
import taichi as ti
import taichi_three as t3
import numpy as np
ti.init(ti.cpu)
scene = t3.Scene()
obj = t3.readobj('assets/cube.obj', scale=0.6)
model = t3.Model(t3.Mesh.from_obj(obj))
model.material = t3.Material(
t3.CookTorrance(
color=t3.Texture(ti.imread('assets/cloth.jpg')),
normal=t3.NormalMap(
texture=t3.Texture(ti.imread('assets/normal.png'))),
))
scene.add_model(model)
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0, 1, 1.8])
scene.add_camera(camera)
light = t3.Light([0.4, -0.8, -1.7])
scene.add_light(light)
gui = ti.GUI('Normal map', camera.res)
while gui.running:
gui.get_event(None)
gui.running = not gui.is_pressed(ti.GUI.ESCAPE)
camera.from_mouse(gui)
scene.render()
gui.set_image(camera.img)
#gui.set_image(camera.fb['normal'].to_numpy() * 0.5 + 0.5)
gui.show()
import taichi as ti
import taichi_three as t3
import numpy as np
ti.init(ti.cpu)
scene = t3.Scene()
obj = t3.readobj('assets/torus.obj', scale=0.8)
model = t3.Model(t3.Mesh.from_obj(obj))
model.material = t3.Material(
t3.CookTorrance(color=t3.Texture(ti.imread('assets/cloth.jpg')), ))
scene.add_model(model)
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0, 1, -1.8])
scene.add_camera(camera)
light = t3.Light([0.4, -1.5, 1.8])
scene.add_light(light)
gui = ti.GUI('Model', camera.res)
while gui.running:
gui.get_event(None)
gui.running = not gui.is_pressed(ti.GUI.ESCAPE)
camera.from_mouse(gui)
scene.render()
gui.set_image(camera.img)
gui.show()
import taichi as ti
import taichi_three as t3
import numpy as np
ti.init(ti.cpu)
scene = t3.Scene()
obj = t3.readobj('assets/torus.obj', scale=0.8)
model = t3.Model(t3.Mesh.from_obj(obj))
model.material = t3.Material(
t3.CookTorrance(
color=t3.Texture(ti.imread('assets/cloth.jpg')),
ambient=t3.Texture(ti.imread('assets/pattern.jpg')),
))
scene.add_model(model)
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0, 1, -1.8])
scene.add_camera(camera)
ambient_light = t3.AmbientLight()
scene.add_light(ambient_light)
gui = ti.GUI('Model', camera.res)
while gui.running:
gui.get_event(None)
gui.running = not gui.is_pressed(ti.GUI.ESCAPE)
camera.from_mouse(gui)
scene.render()
gui.set_image(camera.img)
gui.show()
import taichi as ti
import taichi_three as t3
import numpy as np
ti.init(ti.cpu)
scene = t3.Scene()
obj = t3.readobj('assets/sphere.obj', scale=0.9)
model = t3.Model(t3.Mesh.from_obj(obj))
model.material = t3.Material(t3.CookTorrance(
roughness=t3.Uniform((), float),
metallic=t3.Uniform((), float),
))
scene.add_model(model)
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0, 1, 1.8])
scene.add_camera(camera)
light = t3.Light(dir=[0.9, -1.5, -1.3])
scene.add_light(light)
gui = ti.GUI('Material Ball', camera.res)
roughness = gui.slider('roughness', 0, 1, step=0.05)
metallic = gui.slider('metallic', 0, 1, step=0.05)
roughness.value = 0.3
metallic.value = 0.0
while gui.running:
gui.get_event(None)
gui.running = not gui.is_pressed(ti.GUI.ESCAPE)
model.material.shader.params['roughness'].fill(roughness.value)
model.material.shader.params['metallic'].fill(metallic.value)
if any(x < 0.6 for x in gui.get_cursor_pos()):
import taichi as ti
import taichi_three as t3
ti.init(ti.cpu)
mtllib = [None]
scene = t3.Scene()
model = t3.Model(t3.Mesh.from_obj('assets/monkey.obj'))
model.material = t3.DeferredMaterial(mtllib, t3.Material(t3.CookTorrance()))
scene.add_model(model)
camera = t3.Camera()
scene.add_camera_d(camera)
gbuff = t3.FrameBuffer(camera,
buffers=dict(
mid=[(), int],
position=[3, float],
texcoord=[2, float],
normal=[3, float],
tangent=[3, float],
))
imgbuf = t3.DeferredShading(gbuff, mtllib)
scene.add_buffer(imgbuf)
light = t3.Light([0.4, -1.5, -0.8], 0.9)
scene.add_light(light)
ambient = t3.AmbientLight(0.1)
scene.add_light(ambient)
gui = ti.GUI('Deferred Shading', imgbuf.res)
while gui.running:
gui.get_event(None)
gui.running = not gui.is_pressed(ti.GUI.ESCAPE)
import taichi as ti
import taichi_three as t3
import numpy as np
ti.init(ti.cpu)
scene = t3.Scene()
obj = t3.readobj('assets/sphere.obj', scale=0.9)
model = t3.Model(t3.Mesh.from_obj(obj))
model.material = t3.Material(
t3.CookTorrance(
roughness=t3.Uniform((), float),
metallic=t3.Uniform((), float),
))
scene.add_model(model)
camera = t3.Camera()
camera.fb.post_process = t3.make_tonemap()
camera.ctl = t3.CameraCtl(pos=[0, 1, 1.8])
scene.add_camera(camera)
light = t3.Light(dir=[0.9, -1.5, -1.3])
scene.add_light(light)
gui = ti.GUI('Material Ball', camera.res)
roughness = gui.slider('roughness', 0, 1, step=0.05)
metallic = gui.slider('metallic', 0, 1, step=0.05)
roughness.value = 0.3
metallic.value = 0.0
while gui.running:
gui.get_event(None)
gui.running = not gui.is_pressed(ti.GUI.ESCAPE)
model.material.shader.params['roughness'].fill(roughness.value)
import taichi as ti
import taichi_three as t3
import numpy as np
ti.init(ti.cpu)
scene = t3.Scene()
model = t3.Model(t3.Mesh.from_obj(t3.readobj('assets/torus.obj', scale=0.8)))
model.material = t3.Material(
t3.CookTorrance(
color=t3.Texture(ti.imread('assets/cloth.jpg')),
roughness=t3.Texture(ti.imread('assets/pattern.jpg')),
metallic=t3.Constant(0.5),
))
scene.add_model(model)
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0.8, 0, 2.5])
scene.add_camera(camera)
light = t3.Light([0, -0.5, -1])
scene.add_light(light)
ambient = t3.AmbientLight(0.3)
scene.add_light(ambient)
gui = ti.GUI('PBR demo', camera.res)
while gui.running:
gui.get_event(None)
gui.running = not gui.is_pressed(ti.GUI.ESCAPE)
camera.from_mouse(gui)
model.L2W[None] = t3.rotateX(angle=t3.get_time())
scene.render()
gui.set_image(camera.img)
import taichi as ti
import taichi_three as t3
import numpy as np
ti.init(ti.cpu)
scene = t3.Scene()
parts = t3.objunpackmtls(t3.readobj('assets/multimtl.obj', scale=0.8))
model1 = t3.Model(t3.Mesh.from_obj(parts[b'Material1']))
model2 = t3.Model(t3.Mesh.from_obj(parts[b'Material2']))
model1.material = t3.Material(
t3.CookTorrance( # Up: gold
color=t3.Constant(t3.RGB(1.0, 0.96, 0.88)),
roughness=t3.Constant(0.2),
metallic=t3.Constant(0.75),
))
model2.material = t3.Material(
t3.CookTorrance( # Down: cloth
color=t3.Texture(ti.imread('assets/cloth.jpg')),
roughness=t3.Constant(0.3),
metallic=t3.Constant(0.0),
))
scene.add_model(model1)
scene.add_model(model2)
camera = t3.Camera()
camera.ctl = t3.CameraCtl(pos=[0.8, 0, 2.5])
scene.add_camera(camera)
light = t3.Light([0, -0.5, -1], 0.9)
scene.add_light(light)
ambient = t3.AmbientLight(0.1)
scene.add_light(ambient)
import taichi_three as t3
scene = t3.Scene()
camera = t3.Camera()
scene.add_camera(camera)
light = t3.Light(dir=[-0.2, -0.6, -1.0])
scene.add_light(light)
mesh = t3.Mesh.from_obj(t3.Geometry.cube())
xplus = t3.Model(mesh)
xplus.material = t3.Material(t3.CookTorrance(
color=t3.Constant(t3.RGB(1, 0, 0)),
))
scene.add_model(xplus)
yplus = t3.Model(mesh)
yplus.material = t3.Material(t3.CookTorrance(
color=t3.Constant(t3.RGB(0, 1, 0)),
))
scene.add_model(yplus)
zplus = t3.Model(mesh)
zplus.material = t3.Material(t3.CookTorrance(
color=t3.Constant(t3.RGB(0, 0, 1)),
))
scene.add_model(zplus)
center = t3.Model(mesh)
center.material = t3.Material(t3.CookTorrance(
color=t3.Constant(t3.RGB(1, 1, 1)),
))
scene.add_model(center)