def extract(self, scene):
trans = tina.identity()
if self.trans is not None:
offset, rotation, scale = self.trans
if scale is not None:
trans = tina.scale(scale) @ trans
if rotation is not None:
trans = tina.quaternion(rotation) @ trans
if offset is not None:
trans = tina.translate(offset) @ trans
if self.primitives is not None:
for primitive in self.primitives:
primitive.extract(scene, trans)
import taichi as ti
import numpy as np
import tina
ti.init(ti.gpu)
scene = tina.PTScene(smoothing=True, texturing=True)
scene.add_object(tina.PrimitiveMesh.sphere(), tina.Glass())
scene.add_object(
tina.MeshTransform(tina.MeshModel('assets/cube.obj'),
tina.translate([0, -3, 0]) @ tina.scale(2)),
tina.Lambert())
scene.add_object(
tina.MeshTransform(tina.MeshModel('assets/plane.obj'),
tina.translate([0, 4, 0]) @ tina.scale(0.2)),
tina.Lamp(color=tina.Texture("assets/cloth.jpg")) * 64)
gui = ti.GUI('bdpt', scene.res)
scene.update()
while gui.running:
if scene.input(gui):
scene.clear()
scene.render(nsteps=6)
scene.render_light(nsteps=6)
gui.set_image(scene.img)
gui.show()
#
# This tutorial is based on docs/monkey.py, make sure you check that first
import taichi as ti
import tina
ti.init(ti.cpu)
# you may specify the line width for rendering wireframes:
scene = tina.Scene(linewidth=2)
# load the monkey using `tina.MeshModel` node (`tina.SimpleMesh` works too):
model = tina.MeshModel('assets/monkey.obj')
# convert the mesh to its wireframe using the `tina.MeshToWire` node:
wiremodel = tina.MeshToWire(model)
# add the wireframe model into scene:
scene.add_object(wiremodel)
# add the original model, with a tiny scale:
model = tina.MeshTransform(model, tina.scale(0.9))
scene.add_object(model)
gui = ti.GUI('wireframe')
while gui.running:
scene.input(gui)
scene.render()
gui.set_image(scene.img)
gui.show()
cloth = tina.CookTorrance(basecolor=tina.Texture('assets/cloth.jpg'))
scene.add_object(mesh, cloth)
scene.add_object(ball)
gui = ti.GUI('Mass Spring', scene.res, fast_gui=True)
scene.init_control(gui,
center=ball_pos,
theta=np.pi / 2 - np.radians(30),
radius=1.5)
scene.lighting.clear_lights()
scene.lighting.add_light(dir=[0, 1, 1], color=[0.9, 0.9, 0.9])
scene.lighting.set_ambient_light([0.1, 0.1, 0.1])
ball.set_transform(tina.translate(ball_pos) @ tina.scale(ball_radius))
init()
while gui.running:
scene.input(gui)
if not gui.is_pressed(gui.SPACE):
for i in range(steps):
substep()
if gui.is_pressed('r'):
init()
mesh.pos.copy_from(x)
import taichi as ti
import numpy as np
import tina
ti.init(ti.gpu)
scene = tina.PTScene(smoothing=True, texturing=True)
scene.load_gltf('assets/cornell.gltf')
scene.add_object(tina.MeshTransform(tina.MeshModel('assets/plane.obj'),
tina.translate([0, 3.98, 0]) @ tina.scale(0.1)), tina.Lamp(color=64))
if isinstance(scene, tina.PTScene):
scene.update()
gui = ti.GUI('cornell_box', scene.res)
scene.init_control(gui, center=(0, 2, 0), radius=5)
while gui.running:
scene.input(gui)
if isinstance(scene, tina.PTScene):
scene.render(nsteps=8)
else:
scene.render()
gui.set_image(scene.img)
gui.show()
ti.imwrite(scene.img, 'cornell.png')
import taichi as ti
import numpy as np
import tina
ti.init(ti.opengl)
scene = tina.PTScene(smoothing=True)
roughness = tina.Param(float, initial=0.2)
metallic = tina.Param(float, initial=1.0)
scene.add_object(tina.MeshModel('assets/sphere.obj'), tina.PBR(metallic=metallic, roughness=roughness))
scene.add_object(tina.MeshTransform(tina.MeshModel('assets/plane.obj'),
tina.translate([0, 0, 4]) @ tina.eularXYZ([ti.pi / 2, 0, 0])
#@ tina.scale(0.1)), tina.Lamp(color=32))
@ tina.scale(0.4)), tina.Lamp(color=1))
gui = ti.GUI('path', scene.res)
roughness.make_slider(gui, 'roughness', 0, 1, 0.01)
metallic.make_slider(gui, 'metallic', 0, 1, 0.01)
scene.update()
while gui.running:
if scene.input(gui):
scene.clear()
scene.render(nsteps=6)
gui.set_image(scene.img)
gui.show()
#ti.imwrite(scene.img, 'output.png')
import taichi as ti
import tina
ti.init(ti.gpu)
scene = tina.Scene(smoothing=True, rtx=True)
material = tina.Phong(shineness=256)
model = tina.PrimitiveMesh.sphere()
scene.add_object(model, material)
model2 = tina.MeshTransform(tina.PrimitiveMesh.sphere(),
tina.translate([1.4, 0, 0]) @ tina.scale(0.5))
scene.add_object(model2, material)
gui = ti.GUI('matball')
scene.update()
scene.init_control(gui)
while gui.running:
scene.input(gui)
scene.render()
gui.set_image(scene.img)
gui.show()
import taichi as ti
import tina
ti.init(ti.gpu)
scene = tina.Scene((640, 480), smoothing=True, ssr=True, taa=True)
monkey_material = tina.PBR(metallic=0.0, roughness=0.4)
monkey = tina.MeshModel('assets/monkey.obj')
scene.add_object(monkey, monkey_material)
param_metallic = tina.Param()
param_roughness = tina.Param()
plane_material = tina.PBR(metallic=param_metallic, roughness=param_roughness)
plane = tina.MeshTransform(tina.MeshGrid(32),
tina.scale(2) @ tina.eularXYZ([-ti.pi / 2, 0, 0]))
scene.add_object(plane, plane_material)
gui = ti.GUI(res=scene.res)
nsteps = gui.slider('nsteps', 1, 128, 1)
nsamples = gui.slider('nsamples', 1, 128, 1)
stepsize = gui.slider('stepsize', 0, 32, 0.1)
tolerance = gui.slider('tolerance', 0, 64, 0.1)
blurring = gui.slider('blurring', 1, 8, 1)
metallic = gui.slider('metallic', 0, 1, 0.01)
roughness = gui.slider('roughness', 0, 1, 0.01)
nsteps.value = 64
nsamples.value = 12
blurring.value = 4
stepsize.value = 2
tolerance.value = 15
metallic.value = 1.0
import taichi as ti
import numpy as np
import tina
ti.init(ti.gpu)
scene = tina.PTScene(smoothing=True)
#scene.lighting.skybox = tina.Atomsphere()
#scene.lighting.skybox = tina.Skybox('assets/grass.jpg')
scene.add_object(tina.PrimitiveMesh.sphere(), tina.Glass())
scene.add_object(
tina.MeshTransform(tina.MeshModel('assets/cube.obj'),
tina.translate([0, -3, 0]) @ tina.scale(2)),
tina.Lambert())
scene.lighting.set_lights(np.array([
[0, 5, 0],
]))
scene.lighting.set_light_colors(np.array([
[16, 16, 16],
]))
scene.lighting.set_light_radii(np.array([
0.01,
]))
gui = ti.GUI('wave', scene.res)
scene.update()
while gui.running:
if scene.input(gui):
#scene.lighting.skybox = tina.Atomsphere()
#material = tina.Phong(color=[0.25, 0.5, 0.5])
#scene.add_object(tina.PrimitiveMesh.sphere(), tina.Glass())
roughness = tina.Param(float, initial=0.332)
metallic = tina.Param(float, initial=0.0)
scene.add_object(tina.MeshModel('assets/sphere.obj'), tina.PBR(metallic=metallic, roughness=roughness))
#scene.add_object(tina.PrimitiveMesh.sphere(), tina.Mirror())
#scene.add_object(tina.MeshModel('assets/bunny.obj'), tina.Glass())
#scene.add_object(tina.MeshModel('assets/monkey.obj'), tina.Mirror())
#scene.add_object(tina.MeshModel('assets/cube.obj'), tina.Classic())
#scene.add_object(tina.MeshTransform(tina.MeshModel('assets/cube.obj'), tina.translate([0, -1.2, 0]) @ tina.scale([2, 0.05, 2])), tina.Lambert())
scene.add_object(tina.MeshTransform(tina.MeshModel('assets/plane.obj'),
tina.translate([0, 0, 4]) @ tina.eularXYZ([ti.pi / 2, 0, 0])
@ tina.scale(0.1)), tina.Lamp(color=128))
gui = ti.GUI('path', scene.res)
roughness.make_slider(gui, 'roughness', 0, 1, 0.01)
metallic.make_slider(gui, 'metallic', 0, 1, 0.01)
scene.update()
while gui.running:
if scene.input(gui):
scene.clear()
scene.render(nsteps=6)
gui.set_image(scene.img)
gui.show()
#ti.imwrite(scene.img, 'output.png')